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    Development status and trend of antivirus medical protective clothing
    LIU Yang, XIA Zhaopeng, WANG Liang, FAN Jie, ZENG Qiang, LIU Yong
    Journal of Textile Research    2021, 42 (09): 195-202.   DOI: 10.13475/j.fzxb.20200800608
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    In order to provide new insights for production, use, research and standards establishment of medical protective clothing in post-pandemic era, this paper summarizes the current production process, raw materials and use of medical protective clothing. From the point of view of sustainable development, it is pointed out that the development trend of medical protective clothing should focus on classified use, reuse, degradability after disposal, safety, comfort and intelligence. Finally, starting from the application scene of medical protective clothing, aiming at the problems existing in the research, production and use of medical protective clothing, this paper puts forward suggestions such as classifying the production, use and waste of medical protection as soon as possible, perfecting the relevant standards, improving the strategic reserve, strengthening the comfort and wearing psychology research and so on. This paper can provide reference for medical protective clothing production enterprises, users and standard-setting units, as well as public medical materials reserve departments.

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    Electroactive fibrous materials for intelligent wearable textiles
    FANG Jian, REN Song, ZHANG Chuanxiong, CHEN Qian, XIA Guangbo, GE Can
    Journal of Textile Research    2021, 42 (09): 1-9.   DOI: 10.13475/j.fzxb.20210506809
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    To foster the development of smart fibrous materials and intelligent wearable textiles, a detailed overview on electroactive fibrous materials for intelligent wearable textiles was carried in this study. This paper summarized the state-of-the-art of fiber-based and fabric-based intelligent wearable textiles in recent years. Definitions, common preparation methods, development process, and the latest research progress in electroactive fibers were examined and their properties and application fields were systematically classified and discussed from the perspectives of strain sensing, electrochromic, intelligent temperature regulation, energy harvesting and storage, and so on. Future development and problems hindering the use of electroactive fibrous materials in intelligent wearable textiles were highlighted. The future development direction was pointed out for theoretical and technical references in the hope to promote the wide range of applications of electroactive fibrous materials in future intelligent wearable textiles.

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    Research progress of lignocellulosic multifunctional materials
    KONG Weiqing, HU Shufeng, YU Senlong, ZHOU Zhe, ZHU Meifang
    Journal of Textile Research    2022, 43 (04): 1-9.   DOI: 10.13475/j.fzxb.20220102509
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    The unique material structure, pronounced anisotropy, good mechanical properties, and micro/nano channels of nature wood endow the wood material with many remarkable properties, providing opportunities for the design of functional materials. In order to improve the utilization and high value transformation of lignocellulose, this review summarized the development of lignocellulose functional materials in view of the structure and the physical/chemical properties of lignocellulose. The effects of structural design and regulation on the properties of lignocellulosic functional materials were scrutinized. The research progress in using lignocellulosic multifunctional fiber materials as structural lightweight materials, biodegradable materials, nanofluids/energy materials, biological materials and textile materials in recent years was reviewed, and the challenges were discussed. The future development direction is proposed to provide theoretical basis and technical support for the high value transformation of lignocellulose and its modern application.

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    Research progress of medical barbed sutures
    SU Mengru, ZOU Ting, CHEN Qichao, LI Chaojing, WANG Fujun, WANG Lu
    Journal of Textile Research    2021, 42 (05): 178-184.   DOI: 10.13475/j.fzxb.20200501408
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    In order to further study the barbed suture and promote the development of better products, the research status of barbed sutures at home and abroad was reviewed. This paper traces the development history of the barbed sutures and summarises the performance requirements in clinicians' practice based on the art-of-the-state. Detailed analyses were carried out on the materials used for the barbed sutures, the geometry and arrangement of the barb, the structure of the blocked element, and related new research progress for the sutures. Four types of preparation methods for the barbed sutures are reviewed, including mechanical cutting, laser cutting, mold injection, and external fixed barbs. The application and clinical results of the barbed sutures in plastic surgery, orthopedics, urology, gastroenterology, obstetrics-gynecology and other surgical operations are summarized. Clinical complications of barbed sutures with excellent properties are also examined, the development directions of the barbed sutures in materials, preparation and properties are pointed out for future work.

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    Research progress of artificial spider silk and imitation spider silk fiber
    WANG Songli, WANG Meilin, ZHOU Xiang, LIU Zunfeng
    Journal of Textile Research    2021, 42 (12): 174-179.   DOI: 10.13475/j.fzxb.20210905206
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    Spider silks have been received much attention from researchers due to their excellent mechanical properties and good biocompatibility. Different from the silk, the spider silk is difficult to be commercially produced in a large scale, as the spiders kill each other in large-scale breeding. Therefore, the development of artificial spider silk and imitation spider silk fibers have become an effective method to solve the above problems. In order to better understand the nature of the strength and toughness of spider silk, the structure of nature spider silk was reviewed, including the primary and β-crystal network (nanofibril) structure and formation process. The progress in the preparation of artificial spider silk and imitation spider silk fibers, including polypeptides, recombinant spider fibrous protein, polymer materials and carbon nanotube yarns and other materials was introduced, which provided reference for further reaearch and large-scale preparation of artificial spider and imitation spider fiber.

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    Structure and properties of four different kinds of domestic cocoon varieties
    XUE Rujing, MO Xiaoxuan, LIU Fujuan
    Journal of Textile Research    2021, 42 (10): 41-46.   DOI: 10.13475/j.fzxb.20201207506
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    In order to develop and design new functional textiles, multilayer morphology, chemical structure, crystalline structure, mechanical properties and thermal conductivity of four varieties of different silkworm cocoons walls were characterized by scanning electron microscope, Fourier transform infrared spectroscopy, X-ray diffractometer, universal material testing machine and temperature and humidity tester, respectively. Theoretical analysis on the multilayer structure was conducted and the design principle of thermal protection products was studied and established. Research results show that all the four varieties of cocoon walls have unique multilayer porous structure, and the diameter of the fibers first increase and then decrease from the outer layer to the inner layer. Although the thickness and size are different, the four varieties of silkworm cocoon walls have good thermal buffering properties. In general, the tiger head cocoon wall has the best heat resistance, and the zebra cocoon wall (green) has the best thermal conductivity. When designing the multilayer structure of thermal protection products, the thermal insulation effect will be greatly improved by appropriately increasing the number of layers of thermal protection products under cost permission.

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    Research progress on flame-retardation and multi-functionalization of textiles
    XU Yingjun, WANG Fang, NI Yanpeng, CHEN Lin, SONG Fei, WANG Yuzhong
    Journal of Textile Research    2022, 43 (02): 1-9.   DOI: 10.13475/j.fzxb.20211203809
    Abstract1082)   HTML111)    PDF(pc) (16169KB)(889)       Save

    Most textiles are highly flammable and often bring fire hazards. It is thus of great significance for improving flame retardancy of fabrics. Differentiation and functionalization of fabrics have become the mainstreams in both academic and industrial communities. However, flame-retardant multifunctional fabrics with well-balanced performance (e.g., softness, air permeability, comfort, and drape) have been rarely reported. Designing of functional monomers and additives with coordinated functions and then incorporating them into the fabric system via efficient technologies can be the keys to obtaining flame-retardant multifunctional fabrics. This paper presents work focusing on flame-retardant multifunctional fabrics. Some approaches towards coordination and cooperation among the multiple functions of the fabrics were discussed, and intrinsically flame-retardant and anti-dripping multifunctional polyester were introduced. Flame-retardant antibacterial, anti-corrosion, and water/oil-proof cotton and viscose fabrics, and polyester/cotton blend fabrics via surface treatments were highlighted. In addition, a brief prospect on the opportunities and challenges of the fields was provided, aiming for guiding the development of high-quality flame-retardant multifunctional fabrics.

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    Biomimetic structural coloration of textiles
    WANG Xiaohui, LIU Guojin, SHAO Jianzhong
    Journal of Textile Research    2021, 42 (12): 1-14.   DOI: 10.13475/j.fzxb.20211108514
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    Structural coloration is a physical coloration technology producing colorful materials without using chemical colorants (dyes and pigments), and thus the research and application of structural coloration should be a positive action to facilitate the development of eco-textiles. This paper briefly introduces the basic conceptions and principles of structural coloration, and emphatically introduces the main technological approaches to structural coloration of textiles and the challenges to industrialized application, and also puts forward some ideas and strategies to resolve the problems existed currently. Also, it briefly introduces the application and potential application of biomimetic structural coloration in eco-textiles, fashion textiles and smart textiles, and prospect the future development of biomimetic structural coloration of textiles. The coexistence and combination of both pigmentary coloration and structural coloration will be a promise route for the progress of future textile coloration.

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    Research progress of three-dimensional needle-punching technology
    CHEN Xiaoming, LI Chenyang, LI Jiao, XIE Junbo, ZHANG Yifan, CHEN Li
    Journal of Textile Research    2021, 42 (05): 185-192.   DOI: 10.13475/j.fzxb.20200503408
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    The three-dimensional (3-D) needle punching technology leads to low-cost formation of three-dimensional fabrics. In order to better understand the research status of 3-D needle punching technology, the latest domestic and foreign research progress of 3-D needle punching automation equipment technology, 3-D needle punching fabric (or preform) and 3-D needle punching composite materials are reviewed. This review concentrates mainly on the needle punching automatic forming equipment technology suitable for special-shaped fabrics, including the needle punching forming equipment for rotating preforms and free-form surface preforms. The existing needle technology and the new structures of three-dimensional needled fabrics, including multiple component hybrid needled fabrics, needled/stitched coupled needle-punched fabrics, contoured needld fabrics and gradient needled fabrics are summarized, and the experimental characterization, theoretical analysis and numerical simulation research progress of three-dimensional needled composites are also analyzed. Finally, the current development level and challenges of 3-D needle punching technology are discussed, and the future development trend of 3-D needle punching technology is prospected.

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    Fabrication and application research progress of fiber-based self-powered electronic skins
    LÜ Xiaoshuang, LIU Liping, YU Jianyong, DING Bin, LI Zhaoling
    Journal of Textile Research    2022, 43 (10): 183-191.   DOI: 10.13475/j.fzxb.20220404509
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    This review introduces the categories, characteristics, and preparation processes for constructing materials with applications for electronic skins, from the perspective of composition structure of the electronic skins with tactile sensing capability. The compelling features of breathable fiber materials serving as substrate layer, electrode layer, and sensing layer in electronic skins were highlighted, in view of the poor air permeability of current dense film-based and rubber-based electronic skins that easily lead to itching during long-term wearing. The working mechanisms of piezoelectric and triboelectric electronic skins were introduced, which are not only able to achieve real-time pressure sensing response, but also able to harvest the ambient mechanical energy and convert it into electricity to power themselves. These are conducive to the fabrication of miniatured, lightweight, and flexible wearable devices. The research progresses in fiber-based self-powered electronic skins in the fields of motion monitoring and medical detection were comprehensively summarized in terms of preparation methods, performance characterizations, and practical applications. The existing challenges and future development directions of fiber-based self-powered electronic skins were extensively discussed.

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    Research progress in resource recycling based on waste textiles
    HAN Fei, LANG Chenhong, QIU Yiping
    Journal of Textile Research    2022, 43 (01): 96-105.   DOI: 10.13475/j.fzxb.20210901510
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    With aim to achieve the recycling of waste textiles and promote the construction of closed-loop system of textile industry chain, the conventional recycling framework of waste textiles was summarized based on the existing achievements. The resource recycling methods including primary recycling, physical recycling and chemical recycling were examined, and the advantages and disadvantages of each recovery process were discussed. At the same time, the research progress in the recycling process of single component fiber such as cellulose fiber, polyester fiber, protein fiber, and the typical blended textiles were described. Furthermore, the research progress in the preparation of functional materials based on waste textiles, and their applications in fields such as sound insulation materials, foam materials, solar evaporation and capacitive materials were introduced. Finally, the review pointed out that the comprehensive evaluation system of waste textiles is the key to increase speed and improve quality of resource recycling and to achieve industrial production.

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    Key technologies supporting low-carbon emissions in dyeing and finishing of textiles
    JI Bolin, WANG Bijia, MAO Zhiping
    Journal of Textile Research    2022, 43 (01): 113-121.   DOI: 10.13475/j.fzxb.20210910209
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    In order to understand clearly the technological breakthrough and current situation of the dyeing and finishing industry for low-carbon emission and to discover the technological advance and developing trend, this paper reviews the related technologies and research progress. It started by introducing energy-saving and emission-reducing technologies, smart functional textiles, advanced green dyeing and finishing equipment and systems, and wastewater treatment and recycling, as well as the technical performance and their effects on the low-carbon emissions. Recent years have witnessed an explosion of technological breakthroughs in the traditional processing methods, and the textile industry has kept pace with the cutting-edge techniques such as the smart temperature-regulating clothing. Through multi-dimensional efforts, it will benefit to promote the continuous technological innovation, enhance the industrial value, and reduce the environmental impact. The review concluded that the dyeing and finishing industry can achieve the green and low-carbon circular economic development, and contribute to our country's goal of peaking carbon dioxide emission and reaching carbon neutrality.

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    Rapid separation and content determination of fibers from waste cotton/polyester blended fabrics
    ZHANG Xiaocheng, ZHOU Yan, TIAN Weiguo, QIAO Xin, JIA Fengwei, XU Lili, ZHANG Jinming, ZHANG Jun
    Journal of Textile Research    2022, 43 (07): 1-8.   DOI: 10.13475/j.fzxb.20220307508
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    Based on ionic liquid/co-solvent system with excellent dissolving capability for cellulose and relatively low viscosity, a method for rapid component separation and content determination for waste cotton/polyester blended fabrics was proposed. The effect of ionic liquid and co-solvent on the dissolving capability, solution viscosity, structure and properties of separated components was studied. The results indicate that the 1-butyl-3-methylimidazolium acetate/dimethyl sulfoxide (the mass ratio is 1:1) system can selectively dissolve cellulose in the cotton/polyester blended fabrics, and the resultant cellulose solution has a low viscosity. Subsequently, after a simple filtration, cellulose and polyester fibers can be completely separated under simple and mild conditions, with the separation temperature to be 25-60 ℃. The cellulose component is almost non-degradable, and can be processed into film, fibers and microspheres. The polyester component with a high purity can also be separated and keep its original textile morphology in blended fabrics. In summary, the ionic liquid/co-solvent method not only can high-efficiently separate the components of the cotton/polyester blended fabrics, but also can accurately measure the components content. Therefore, this work provides a promising and useful method to the recycling and re-utilization of waste textiles, indicating a great potential in the practical applications.

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    Research progress on application of aerogel materials in firefighting clothing
    JIANG Lulu, DENG Meng, WANG Yunyi, LI Jun
    Journal of Textile Research    2021, 42 (09): 187-194.   DOI: 10.13475/j.fzxb.20200800108
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    In order to pursue the application of aerogel materials in the field of firefighting clothing, improve the comprehensive wearability of firefighting clothing, and promote the development of new types of firefighting clothing, advantages and disadvantages of using aerogel materials in firefighting clothing were evaluated based on research findings reported in recent years. The thermal properties of aerogel materials were discussed, including thermal insulation performance and thermal stability. The literatures were reviewed from two aspects, i.e. aerogel used as coating materials and that directly embedded in multi-layer fabric systems. The application and research status of the firefighting clothing were summarized, and the thermal protection performance and comfort performance of thermal and moisture of aerogel-type firefighting clothing were also analyzed. The problems in the application process of aerogel materials are categorised, and the future application direction of the aerogel materials forecasted. Balance between thermal protection and thermal comfort, the improvement of aerogel mechanical properties and thermal stability, and the development and application of aerogel composites are forecasted as the research directions in the future.

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    Research progress of silk fibroin-based hydrogel bioinks for 3D bio-printing
    JIANG Yulin, WANG Hui, ZHANG Keqin
    Journal of Textile Research    2021, 42 (11): 1-8.   DOI: 10.13475/j.fzxb.20211003008
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    As a natural and ancient protein material, silk fibroin (SF) has become an excellent candidate for 3D printing bioinks due to its excellent properties, and has received extensive attention in the biomedical field. The development of SF in the field of biological 3D printing is summarized, the basic physicochemical and biological characteristics of SF materials are mainly summarized, and the requirements and processability of SF materials as bio-inks for extrusion biological 3D printing, photocurable biological 3D printing and inkjet biological 3D printing are discussed. The research progress of SF based hydrogel inks synthesized with artificial polymers, natural polymers and inorganic functional materials in the field of biological 3D printing in recent years is reviewed, and the challenges are discussed. It is pointed out that with the further development of biological 3D printing technology, SF-based hydrogel constructs formed by biological 3D printing will have a broader application prospect in the biomedical field.

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    Analysis of new five-element-integration spinning technology based on human-machine-material-method-environment for carbon neutralization
    XIA Zhigang, XU Ao, WAN Youshun, WEI Jiang, ZHANG Huixia, TANG Jiandong, ZHENG Minbo, GUO Qinsheng, DING Cailing, YANG Shengming, XU Weilin
    Journal of Textile Research    2022, 43 (01): 58-66.   DOI: 10.13475/j.fzxb.20210909310
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    Conventional spinning process is characterized by its long scattered processes and labor intensiveness, causing problems such as high energy consumption per unit production, poor product consistency, and high operating cost. In addition, multiple-type-fiber spinning leads to difficulty in fiber recycling from raw materials and resultant products. As an effort to achieve the goal of carbon peaking in 2030 and carbon neutrality in 2060, this paper establishes a low-carbon spinning strategy as carbon neutralization spinning by integrating human-machine-material-method-environment. In specific, the intensive, simple and the extensive types of low-carbon spinning technologies were analyzed. The analysis results show that after comparison with conventional ring spinning, the intensive intelligent technology achieves low-carbon and high-quality spinning by reducing operation costs by 32.67%, production energy consumption per unit by 17.5%, and product defect rate by 61.54%, effectively addressing the problems in the spinning sector. The simple type can shorten or eliminate steps in the spinning process, achieves spinning speed as high as 550 m/min, realizing the goal of efficiency-improvement and emission-reduction. The extensive type spinning develops a front-end raw material functional recycling to change waste into treasure, reducing energy and emission. The extensive type also develops medium-end carbon-nesting spinning to produce green functional yarns, and resultant manufacturing technology can be used for producing cooling, heat-insulting functional yarns for green terminal textiles.

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    2020 version of continuous structural modification on Donghua young women's garment basic block
    LIU Yongmei, XUE Huixin, XU Danniang, ZHANG Xianghui
    Journal of Textile Research    2022, 43 (07): 135-140.   DOI: 10.13475/j.fzxb.20210605606
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    To adapt to the changes in the body shape characteristics of young women and improve the fitness and applicability of the garment basic block, the 2020 version of Donghua young women's garment basic block was established. Based on the structure of the 2008 version of Donghua young women's garment basic block, a hypothetical prototype for sample modification experiments was established. 56 young women aged 18-29 were tested to modify the hypothetical prototype sample of real life dress. The difference test was performed on the modified data, the regression relationship between the control parts of the prototype was adjusted, and the relaxation distribution rule of the hip part of the prototype was explored. Through the sample clothing correction experiment, trends were observed on young female's neck root circumference increase, shoulder inclination, and slight humpback. The adjustment of the prototype on the basis of the 2008 version of Donghua women's garment basic block is as follows: the regression formula changes at the front horizontal collar, back horizontal collar, back straight collar, chest width, back width and scapula dart, and the angle of the back shoulder oblique decreases. The distribution of hip circumference looseness in front, side and back parts was 19.0%, 60.4% and 20.6%, respectively. Based on these changes, the 2020 version of Donghua young women's garment basic block would improve the applicability of clothing prototype to different styles of clothing.

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    Technology progress and application prospect of non-aqueous medium dyeing systems
    PEI Liujun, SHI Wenhua, ZHANG Hongjuan, LIU Jinqiang, WANG Jiping
    Journal of Textile Research    2022, 43 (01): 122-130.   DOI: 10.13475/j.fzxb.20210909909
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    In order to achieve dyeing of hydrophilic fibers such as cotton textile with reactive dyes with salt-free, high fixation rate and zero sewage discharge, the problems call for urgent attention in traditional water base were firstly reviewed and analyzed. As the second step review, the less water/water-free dyeing technologies were summarized. The results revealed that these new dyeing technologies of reactive dyes have yet solved the problems of large water consumption and large discharge of wastewater. On this basis, the reactive dyeing in silicone non-aqueous dyeing system was reviewed, including the definition and serviceability of dyeing in non-aqueous medium, the basic requirements of dyeing medium, and further introduced the concept of non-aqueous medium dyeing. The applicability and basic requirements of the medium, the dyeing performance of cotton fiber in non-aqueous medium dyeing system, and the industrialization development were introduced. Finally, the dyeing technology of non-aqueous medium was summarized and prospected. It is believed that the key technology of non-aqueous dyeing would not only solve the problems of high pollution and high emission of cotton textile dyeing, but also the energy consumption and cost of dyeing have been further reduced. This dyeing technology is expected to change the image of serious environmental pollution in the traditional dyeing industry, and to lead to a clean production and sustainable development for textile dyeing.

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    Research progress of green and low-carbon knitting technology
    JIANG Gaoming, ZHOU Mengmeng, ZHENG Baoping, ZHENG Peixiao, LIU Haisang
    Journal of Textile Research    2022, 43 (01): 67-73.   DOI: 10.13475/j.fzxb.20211000607
    Abstract759)   HTML63)    PDF(pc) (6609KB)(575)       Save

    With the introduction of various environmental protection policies, strengthening the concept of sustainable green and low-carbon knitting technology becomes imperative in the whole production process by reducing energy consumption and environmental pollution from knitting processes. Considering every step in the knitting process from fabric design to selecting fiber raw material, preparing and forming fabric, green low-carbon knitting technology will reduce energy consumption and pollution in the production process. On this basis, this paper discusses principally the impact of technological innovation on energy conservation and emission reduction in five areas including production technology of short-flow knitting products, the technology of dye-free knitting jacquard, reinforcing technology of lightweight knitting structure, production technology of low energy knitting equipment, and virtual reality technology of pattern-free knitting. It is recommended to further promote the application of green and low-carbon knitting technology and build a green and low-carbon cycle development system for the knitting industry.

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    Research progress in chemical recycling of waste cotton and polyester textiles
    CHEN Long, ZHOU Zhe, ZHANG Jun, XU Shimei, NI Yanpeng
    Journal of Textile Research    2022, 43 (05): 43-48.   DOI: 10.13475/j.fzxb.20211201806
    Abstract744)   HTML43)    PDF(pc) (2480KB)(251)       Save

    A large number of waste cotton and polyester textiles are produced in China, but the recycling rate is low and high quality products are rare. Focusing on this problem, the recycling of waste cotton and polyester fabrics based on chemical recycling was reviewed. The technology of waste cotton pulp preparation and its fiber spinning, the monomer preparation from the depolymerization of waste polyester and its polymerization were examined. The literature review indicated that the small-scale production of waste cotton was involved in the making of regenerated Lyocell fibers by mixing low proportion of waste cotton regenerated pulp with the primary wood pulp, and that 10 000-ton scale production of chemically regenerated polyethylene terephthalate(PET) from waste PET textiles has been achieved through glycol alcoholysis-methanol ester exchange technology. However, there are still problems such as technical difficulties, high production cost, low recovery and utilization rate, poor product quality, and high degree of " waste production caused by waste treatment ". Hence, key technology development for waste textile recycling should be the focus of research emphasizing on clean recycling and high value utilization of waste cotton and polyester textiles.

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    Application research progress of optical fiber in luminescent fabrics
    LIN Wenjun, MIAO Xuhong
    Journal of Textile Research    2021, 42 (07): 169-174.   DOI: 10.13475/j.fzxb.20200807006
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    In order to better apply optical fiber to intelligent textiles, the types and preparation of optical fiber, and the existing forms, characteristics and the latest research progress of optical fiber luminous fabrics woven from optical fibers are reviewed, and the problems existing in these forms of fabrics are pointed out. Based on the application of luminous fabrics, the applications of optical fiber luminous fabrics for intelligent clothing are summarized. Combined with the specific requirements of optical fiber for luminous fabrics and luminous fabric required properties, key problems for the commercialization of optical fiber luminous fabrics prepared from using optical fiber are discussed. It is suggested that the optical fiber luminescent fabric should have similar wearability to daily wears with improved basic performance and durability of the luminescent fabrics, achieving high luminance and uniform luminescence. Comprehensive prediction on trend of development is given for applications of fiber optic luminescent fabrics in intelligent textiles.

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    Yarn breakage location for yarn joining robot based on machine vision
    ZHOU Qihong, PENG Yi, CEN Junhao, ZHOU Shenhua, LI Shujia
    Journal of Textile Research    2022, 43 (05): 163-169.   DOI: 10.13475/j.fzxb.20210504407
    Abstract738)   HTML15)    PDF(pc) (5815KB)(106)       Save

    In order to identify and locate the yarn breakage in the spinning process for the yarn joining robot through visual method and to simplify the mechanical structure, a recognition and positioning algorithm for yarn characteristics is proposed according to the image characteristics. An industrial camera was used to collect the image of the yarn being sucked into the suction nozzle, and the contrast between yarn features and background was enhanced through an improved gray enhancement method, using Canny operator for yarn edge detection. The image features of the yarn were obtained by dividing the interest regions and optimized using Hough line detection method, and the positioning algorithm was used to extract the required location information. The experimental results show that the position information extracted by the proposed algorithm has high accuracy, the error of coordinate points is 1.42 pixels, and the error of angle α is 0.60°. Compared with the use of the traditional location detecting algorithm, the running time of the program is reduced, and the average recognition time is in the order of 10-1 s, with good real-time performance. The research results can be applied to the development of yarn joining robot products.

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    Progress in biomass fiber medical dressings
    WU Yang, LIU Fangtian, CAO Mengjie, CUI Jinhai, DENG Hongbing
    Journal of Textile Research    2022, 43 (03): 8-16.   DOI: 10.13475/j.fzxb.20211200109
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    In view of the problems of easy infection and secondary injury of current traditional medical dressings in wound care, this paper reviews the good hygroscopicity, bacteriostasis and certain biological activity of some biomass fibers, the advantages of biomass fibers as medical dressings are introduced, considering the natural biodegradability, biocompatibility and non-toxicity of biomass raw materials. By briefly summarizing the preparation methods of different biomass fibers for medical dressings, the suitable biomass fibers for the customized treatment of different wounds are proposed. The research progress of various biomass fiber medical dressings achieved in recent years are reviewed, including their functional applications in antibacterial and anti-inflammatory, drug delivery, exudate management, and tissue replacement medical dressings. The existing problems and future development directions of biomass fiber medical dressings are discussed.

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    Study on color depth based on different formulas in Coloro color system
    JIN Rui, ZHANG Yike, LI Rong
    Journal of Textile Research    2021, 42 (05): 90-95.   DOI: 10.13475/j.fzxb.20200401007
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    To promote the application of Coloro color system in color related industries, different color depth formulas were used to analyze the color depth, and the relationship between the color depth and lightness values were studied based on the 3 500 color cards of the Coloro color system. The Munsell color system was used to check the iso-depth of the color system; then the color depth level of the color cards were evaluated by using the Gall formula and the ISO color depth standard. The Integ formula and color value were used to analyze the color depth of Coloro color system. The results show that the Coloro color system offers good iso-depth. The results of the 1/1 levels in the Gall and ISO standards are similar, and each level has its corresponding lightness value distribution area. The color depth value of the Coloro color card reduces as the value of the lightness label increases by the Integ formula and the color value, which indicates that the above formulas are not applicable to the evaluation of color depth of Coloro color system.

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    Research progress in superfine dispersion of disperse dyes and its effect on particle-size
    QIU Jingsi, LIU Yue
    Journal of Textile Research    2021, 42 (08): 194-201.   DOI: 10.13475/j.fzxb.20200707008
    Abstract726)   HTML28)    PDF(pc) (3040KB)(201)       Save

    Large particle size and uneven particle-size distribution of dyes during the commercial processing of disperse dyes significantly affect the dyeing quality. To improve the dyeing performance of disperse dyes, based on the analysis of physical ultrafine pulverization technologies such as high-pressure homogenization and ultrasonic pulverization in the superfine and dispersion of disperse dyes, this article reviews and analyzes factors having important influences on the regulation of the particle-size and its distribution in the dye in detail. It includes pre-grinding, structure and crystal form of dyes, dispersant, grinding medium, slurry concentration, and other factors. It is pointed out that speeding up the popularization and application of new grinding technology, equipment configuration and the selection and optimization of grinding process technology are all conducive to the high-quality, uniform, and ultrafine preparation of disperse dyes. The differential processing of different types of disperse dyes is also an important research direction worthy of enterprises' attention.

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    Comparison of filtration efficiency standards for COVID-19 protective masks
    PAN Hongjie, YANG Xiaobing, ZHOU Chuan, ZHANG Shouxin, CHANG Suqin, LUO Hongsen
    Journal of Textile Research    2021, 42 (06): 97-105.   DOI: 10.13475/j.fzxb.20201001809
    Abstract700)   HTML21)    PDF(pc) (3578KB)(148)       Save

    Masks from different countries satisfying different standards entered the Chinese market during the COVID-19 pandemic, which led to the public misunderstanding of the concepts relating to mask filtration efficiency. This paper introduced comprehensively the highly recognized multi-national standards, including GB 2626—2019, GB 19083—2010, US 42 CFR 84 Part K, EN 149:2001+A1:2009, and EN 13274—7:2019, focusing particularly on the filtration efficiency performance requirements and testing methods. This paper compared the performance requirements and markings of the particulate filtration efficiency in these standards, as well as the similarities and differences in the pretreatment, test conditions, and test procedures in the testing methods. Three types of masks were tested against different standard methods. Through standard comparative research and analysis, together with sample test, it will help to clarify the basic concepts in the filtration efficiency performance requirements and test methods of filtering half masks to protect against particles, promote all sectors of China to comprehensively understanding the performance and test method requirements of the main mask standards at home and abroad, and help the enterprises, testing agencies and governments to better control and supervise product quality.

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    Preparation and biomedical applications of electrospun short fibers
    ZHANG Beilei, SHEN Mingwu, SHI Xiangyang
    Journal of Textile Research    2021, 42 (05): 1-8.   DOI: 10.13475/j.fzxb.20210106008
    Abstract688)   HTML78)    PDF(pc) (1375KB)(463)       Save

    Traditional electrospun nanofibers are often used as tissue engineering scaffolds to repair defects, which often need invasive implantation by surgery, greatly limiting their applications in biomedical fields. In order to promote the development and applications of electrospinning technology, this paper reviewed the preparation and functionalization methods of electrospun short fibers, the biomedical applications of functional short fiber in diagnosis and therapy, and tissue engineering. Electrospun short fibers have received great attention and can be prepared by adjusting process parameters and subsequent processing. Electrospun short fibers retain their intrinsic functions of electrospun nanofiber membranes, they can avoid the invasion and trauma caused by the implantation of fiber membranes because of their small size and monodispersity. The challenges and future development prospects of electrospun short fibers in biomedical fields were also analyzed.

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    Lightweight clothing detection method based on an improved YOLOv5 network
    CHEN Jinguang, LI Xue, SHAO Jingfeng, MA Lili
    Journal of Textile Research    2022, 43 (10): 155-160.   DOI: 10.13475/j.fzxb.20210809306
    Abstract688)   HTML25)    PDF(pc) (9127KB)(202)       Save

    In order to further reduce the occupation of computing resources by the clothing object detection model based on deep learning, an improved lightweight clothing object detection method, MV3L-YOLOv5, was proposed. The MobileNetV3_Large is used to construct the backbone network of YOLOv5, and the label smoothing strategy was introduced to enhance the generalization ability at the training stage of the model. The data augmentation technology was used to make up for the unbalanced number of images of different clothing categories in the DeepFashion2 dataset. Experimental results show that the model volume of MV3L-YOLOv5 is 10.27 MB, the floating-point operations is 10.2×109 times, and mean average precision is 76.6 %. Comparing with YOLOv5s, which is the lightest network in YOLOv5 series, MV3L-YOLOv5 is compressed in the model volume by 26.4 %, reduced the floating-point operations by 39 %, and improved accuracy by 1.3 %. Experimental results in the improved algorithm show that the detection performance is notably improved, and the model is lighter and more suitable for deployment in devices with limited resources.

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    Simulation and analysis of carbon fiber composite unmanned aerial vehicle blade
    WU Xia, YAO Juming, WANG Yan, RIPON Das, JIRI Militky, MOHANAPRIYA Venkataraman, ZHU Guocheng
    Journal of Textile Research    2022, 43 (08): 80-87.   DOI: 10.13475/j.fzxb.20210802608
    Abstract668)   HTML22)    PDF(pc) (4070KB)(123)       Save

    In order to obtain the optimal layering mode of carbon fiber in unmanned aerial vehicle(UAV) blade, the layering mode of carbon fiber composite UAV blade is designed through ACP (ANSYS Composite PrepPost) module in Workbench. The three-dimensional model of UAV blade is established by using SolidWorks three-dimensional modeling software, and HyperMesh is used to clean and mesh the blade. Ansys Workbench Fluent is used to simulate the different speeds of UAV blade, extract the pressure load on the blade surface, and simulate and analyze the carbon fiber composite UAV blades with different layers. The mechanical simulation results of carbon fiber composite UAV blades are obtained. Based on Tsai–Wu failure criterion, the failure coefficient of each layer is calculated, and the optimal carbon fiber layering mode is [0°,90°,90°,90°,0°].

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    Radiative cooling nanofiber medical fabrics and sensor system integration
    WU Qinxin, HOU Chengyi, LI Yaogang, ZHANG Qinghong, QIN Zongyi, WANG Hongzhi
    Journal of Textile Research    2021, 42 (09): 24-30.   DOI: 10.13475/j.fzxb.20210300607
    Abstract660)   HTML29)    PDF(pc) (8754KB)(269)       Save

    Traditional medical protective clothing offers limited functions and lacks of wear comfort. Accordingly, this research focused on the preparation of radiative cooling silicon dioxide/poly(1,1-difluoroethylene) nanofibers through electrospinning, and the making of nonwoven fabrics using hot pressing to obtain a new protective clothing fabrics (SiO2/PVDF-NWF). The microstructure and infrared transmittance of SiO2/PVDF nanofibers were measure and characterized, and the wearing comfort, protection performance, and radiative cooling effect of the as-obtained SiO2/PVDF-NWF were tested. The results show that with 15% PVDF spinning solution, optimal infrared transmittance of SiO2/PVDF nanofibers is achieved when the SiO2 particle size is 2 μm and the mass ratio of SiO2/PVDF is 0.15. The temperature inside clothes was found 2 ℃ lower than that in the traditional protective clothing and the relative humidity was reduced by 5% after replacing part of the fabric on the traditional protective clothing with SiO2/PVDF-NWF. In addition, the multifunctional protective system is constructed by integrating sensors for blood oxygen, temperature, humidity and positioning on the radiative cooling protective clothing fabrics, offerring a broad application prospect for medical applications.

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    Research progress of polymer embolic microspheres
    LI Feng, YANG Jiahao, LAI Gengchang, WANG Jiannan, XU Jianmei
    Journal of Textile Research    2021, 42 (10): 180-189.   DOI: 10.13475/j.fzxb.20200702810
    Abstract660)   HTML27)    PDF(pc) (1502KB)(304)       Save

    In order to promote the embolic polymer microspheres towards the direction of a higher drug-loading rate, controlled drug release, functionalization. Mechanism of embolic microspheres were reviewed, as well as the application of the polymer such as chitosan and alginate in the drug microspheres preparation. The embolic microsphere preparation methods such as emulsification cross-linking method, and ionic gelation method were introduced, as well as the different preparation characteristics of drug loaded microspheres for water-soluble and lipid-soluble drugs. Finally it is pointed out that the drug loading rate of the microspheres can be improved by selecting suitable carrier materials or multiple composite materials, so that the drug can be released in a controlled manner; suitable preparation methods of microspheres were selected to achieve high drug loading rate according to the characteristics of the loaded drugs; the future studies on embolic microspheres should be developed in the direction of multifunctionalization, such as microspheres with load targeted chemotherapy drugs, microspheres with targeting properties, microspheres that alleviate embolic pain or cancer pain, microspheres with photothermal effect, microspheres with controllable degradation rate, etc., providing reference and support for promoting the research and application of embolic microspheres in the treatment of tumors.

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    Advancement in data-driven intelligent control system for roboticized textile production
    ZHANG Jie, XU Chuqiao, WANG Junliang, ZHENG Xiaohu
    Journal of Textile Research    2022, 43 (09): 1-10.   DOI: 10.13475/j.fzxb.20220506610
    Abstract656)   HTML90)    PDF(pc) (6898KB)(383)       Save

    The scale of China's textile industry is huge with long production process, and the industry employs large number of workers, and full-process automated production is still difficult to achieve. The construction of a data-driven intelligent control system for roboticized textile production would play an important role in promoting the transformation and upgrading of China's textile industry from labor-intensive to less-personnel or unmanned production. This paper systematically reviewed the development history of textile robot and intelligent manufacturing system, and proposed a data-driven intelligent control system architecture for roboticized textile production. From the equipment layer, data layer and application layer, this paper discussed three key technologies and applications: multi-type textile robots to fill in the process breakpoints, multi-chain integrated digital thread of textile entire process, and multi-application collaborative intelligent control of textile production. Furthermore, the challenges in practical applications were summarized. The review concluded that high-speed, real-time, dexterity, precision, autonomous and collaborative textile robots, and intelligent management and control systems for textile production with interpretability, sustainability and toughness are possible future development directions.

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    Efficient separation of polyester and cotton from waste blended fabrics with dilute oxalic acid solution
    SHI Sheng, WANG Yan, LI Fei, TANG Jiandong, GAO Xiangyu, HOU Wensheng, GUO Hong, WANG Shuhua, JI Jiaqi
    Journal of Textile Research    2022, 43 (02): 140-148.   DOI: 10.13475/j.fzxb.20210702709
    Abstract649)   HTML16)    PDF(pc) (13998KB)(119)       Save

    In view of the problem that tightly twisted polyester and cotton fibers in blended yarns are difficult to separate and hence unable to be processed in the recycling of waste textiles, an environmentally friendly oxalic acid system was used to selectively hydrolyze the cotton fiber of blended fabric hence releasing the polyester fiber to achieve effective separation. The conditions of oxalic acid treatment were further optimized. The results show that oxalic acid can achieve the same separation effect as hydrochloric acid under the same reaction conditions, and the morphology of polyester fiber is more complete, the hydrolysis degree of cotton fiber is lower and the distribution of hydrolysate is narrower. When the oxalic acid concentration is 0.07 mol/L, the reaction temperature is 130 ℃ and the reaction time is 3 h, the separation effect of polyester and cotton in the blended fabric reach the best level, where the yield of cotton fiber hydrolyzed into cellulose reaches 91.46%, with a small part being hydrolyzed into glucose or other oligosaccharides. The recovery ratio of polyester fiber is as high as 99.28%, retaining the original physical and chemical properties, which can be directly processed for textile production. The reaction system can be used for many times, facilitating the high efficiency and comprehensive utilization of waste polyester/cotton blended fabrics.

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    Research progress and prospect on biodegradable polylactic acid-based melt-blown nonwovens
    ZHU Feichao, ZHANG Yujing, ZHANG Qiang, YE Xiangyu, ZHANG Heng, WANG Lunhe, HUANG Ruijie, LIU Guojin, YU Bin
    Journal of Textile Research    2022, 43 (01): 49-57.   DOI: 10.13475/j.fzxb.20210910009
    Abstract647)   HTML42)    PDF(pc) (8827KB)(269)       Save

    Polylactic acid-based(PLA-based)melt-blown nonwovens have drawbacks such as insufficient flexibility, low heat-resistant temperature, poor electret durability, and single functionality, which limit their development and applications as high-performance adsorption and filtration materials. This paper comprehensively reviewed the research progress of PLA-based melt-blown nonwovens focusing on raw material design, processing and applications. It introduced the processing and molding methods of PLA-based melt-blown nonwovens, explored the modification of PLA-based melt-blown materials, including masterbatch modification (copolymerization/block, enhanced toughening, functional modification, etc.) and finishing modification (durable electret and functional finishing). The typical applications of PLA-based melt-blown nonwovens in the fields of air filtration, medical protection, health care, tissue engineering, cleaning and wiping, oil absorption and warmth are explained. The development trends of PLA-based micro-nano scale melt-blown fiber, multi-component, composites, durable electret, function and intelligence are prospected, so as to provide theoretical and technical reference for development of PLA-based melt-blown nonwovens with high quality and high value.

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    Relationship between thermal-moist comfort of medical protective clothing and human fatigue
    NIU Mengyu, PAN Shuwen, DAI Hongqin, LÜ Kaimin
    Journal of Textile Research    2021, 42 (07): 144-150.   DOI: 10.13475/j.fzxb.20201003607
    Abstract640)   HTML44)    PDF(pc) (3313KB)(233)       Save

    It has been a noted problem that medical staff wearing medical protective clothing for a long time would feel hot and humid, leading to fatigue and low work efficiency. A research based on human wearing experiment is carried out. Through the analysis of human thermal physiology and subjective fatigue parameters, the influence of the thermal-moist comfort performance of medical protective clothing on human fatigue was analyzed. The results show that the thermal-moist comfort of protective clothing with short sleeves is the best, and that with long sleeve and thick suit was the worst.Wearing protective clothing with different thermal-moist comfort performance has different effects on human fatigue under different exercise intensity. Wearing protective clothing in the state of sitting, the difference of human fatigue degree is small. Under the conditions of low, medium and high exercise intensity and recovery, it was shown that the worse the thermal-moist comfort of protective clothing, the deeper the fatigue degree of human body. The average skin temperature, heart rate and metabolic equivalent of energy were found to be significantly correlated with subjective fatigue. Regression analysis was used to get the model of fatigue and heart beat rate, which reflects the fatigue degree of human body.

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    Trend of environmental governance in textile industry aiming at carbon neutrality and emission reduction
    TANG Zhengkun, LIU Yanbin, XU Chenye, LIU Yanbiao, SHEN Chensi, LI Fang, WANG Huaping
    Journal of Textile Research    2022, 43 (01): 131-140.   DOI: 10.13475/j.fzxb.20210909010
    Abstract636)   HTML61)    PDF(pc) (8353KB)(313)       Save

    In the face of global fossil energy tightening, excess greenhouse gas emissions and severe water pollution control situation, reducing pollution and carbon emission is extremely urgent. As a traditional pillar industry in China, the development of textile industry constitutes as an important route for achieving the low-carbon green industry. In this review, this paper firstly analyzed the units of energy consumption and pollution emissions from the whole production chains. The main links of carbon emission and potentials for carbon reduction in the process of textile raw material, dyeing and finishing and finished product were dissected in details, and the cutting-edge technologies for the carbon reduction pollution control and resource recycling were summarized. Finally, based on exemplar case of Binhai Industrial Park in textile industry cluster in Keqiao District, Shaoxing City, the positive effect of industrial agglomeration on industrial carbon reduction was discussed from the perspective of environmental management. The future goals of pollution control and carbon reduction can only be achieved by the improvements in system, technology and management.

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    Research progress in wearable plantar pressure monitoring system
    CHEN Zujiao, ZHANG Rui, ZHUO Wenwen, ZHANG Longlin, ZHOU Li
    Journal of Textile Research    2021, 42 (09): 31-38.   DOI: 10.13475/j.fzxb.20200806008
    Abstract628)   HTML68)    PDF(pc) (7728KB)(406)       Save

    Aiming at the promotion of wearable plantar pressure monitoring techniques, physiological structure of human foot, source of plantar pressure and walking frequency were introduced. According to the current research status of wearable plantar pressure monitoring systems, materials and working principles of integrative pressure monitoring socks based on fabric sensor were reviewed, and information transfer module and working principles of composite pressure monitoring shoes based on flexible electronic sensor were also scrutinized. The selection principle of feature points used in wearable plantar pressure monitoring systems and its use for detecting falls, foot disease diagnosis and plantar pressure database establishment were described. The problems were pointed out in poor material performance and short wireless transmission distance in the industrialization process, based on which an application proposal with improved performance based on biomechanics, textile materials and electronic communication was put forward for future development.

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    Research progress of antibacterial materials for textiles and their applications
    ZHAI Lisha, WANG Zonglei, ZHOU Jingyi, GAO Chong, CHEN Fengxiang, XU Weilin
    Journal of Textile Research    2021, 42 (09): 170-179.   DOI: 10.13475/j.fzxb.20201000910
    Abstract618)   HTML44)    PDF(pc) (7010KB)(303)       Save

    With the advancement of science and technology and the improvement of people's living standards, especially when combating the further spread of SARS-CoV-2 in the world, higher requirements for functional antibacterial textiles have to be put forward. This paper reviews the common antibacterial materials and their anti-bacterial mechanisms and the research progress in antibacterial finishing agents in the textile field. The development direction of antibacterial finishing agents and antibacterial textiles were recommended in four aspects: the selectivity and efficiency of antibacterial finishing agents, the safety of antibacterial textiles, the wearability and durability of antibacterial textiles, and the hysteresis and standardization of antibacterial textile testing standards, in order to provide theoretical basis for the development of antibacterial textiles and upgrade the functional antibacterial textiles.

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    Influence of carbon dots on properties of flame retardant poly(ethylene terephthalate)
    GU Weiwen, WANG Wenqing, WEI Lifei, SUN Chenying, HAO Dan, WEI Jianfei, WANG Rui
    Journal of Textile Research    2021, 42 (07): 1-10.   DOI: 10.13475/j.fzxb.20201001410
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    In order to explore the effects of zero-dimensional carbon nanomaterials-carbon dots (CDs) on the thermodynamic, flame-retardant, mechanical and fluorescent properties, a copolymer flame retardant with a good flame-retardant effect on poly(ethylene terephthalate) (PET) was selected. 2-carboxyethyl phenyl hypophosphorous acid (CEPPA) and carbon dots were added to the PET matrix by in-situ polymerization, and the effect of carbon dot addition on various properties of FRPET was studied. The effect of different carbon dots on the performance of FRPET was analyzed through limiting oxygen index (LOI), vertical combustion (UL94), cone calorimetry (CONE) and other tests. The results of the study show that the LOI value of FRPET reaches up to 34%, when the carbon dots addition is 1.50% and the vertical combustion is at the V-0 level. Compared to FRPET with only CEPPA addition, the ignition time is extended and the peak heat release rate reduced, the average heat release rate and the total heat release decreased. In addition, the mechanical properties of FRPET after the addition of CDs are also greatly improved and give FRPET fluorescent properties, which is beneficial for broadening the application fields of FRPET.

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    Progress in application of photodynamic antibacterial technology for textiles
    WANG Zhihui, XU Yufei, GUO Haoyu, ZHANG Kanglei, PANG Xingchen, NIE Xiaolin, ZHUGE Jian, WEI Qufu
    Journal of Textile Research    2021, 42 (11): 187-196.   DOI: 10.13475/j.fzxb.20200903610
    Abstract591)   HTML36)    PDF(pc) (1650KB)(182)       Save

    In order to study the antibacterial effect of photosensitizers loaded on textile materials and the possibility of its application for textile modifications, the research background of photodynamic antibacterial, types of photosensitizers, current applications of antibacterial textiles, and photosensitizers were systematically reviewed. The commonly used loading forms of the drug are examined, and the conclusions and future prospects are summarized. The review indicates that photodynamic antibacterial textiles are a new type of antibacterial material that can be effectively sterilized and has a good development prospect. The improved loading method through chemical covalent bonding of photosensitizers can solve the problems of poor binding fastness and poor reusability associated with the commonly used loading methods, and can further broaden the research and development path of antibacterial materials. At the same time, it is realized that the current photosensitizers have not been able to control accurately their photosensitizing antibacterial properties. Future research should control the photosensitive antibacterial properties by controlling the types of photosensitizers and the concentration of photosensitizers.

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    Influence of liquid ammonia treatment on properties of polyamide/cotton blended fabrics
    ZHANG Hua, ZHANG Jie, GAO Yan
    Journal of Textile Research    2021, 42 (06): 128-132.   DOI: 10.13475/j.fzxb.20200607205
    Abstract589)   HTML11)    PDF(pc) (2075KB)(182)       Save

    Polyamide/cotton blended fabrics prone to wrinkles and uneven appearance limiting their applications in high-quality clothing. Aiming at such problems, a polyamide/cotton blended fabric was taken as the research object, and the greige was treated with liquid ammonia after pretreatment and before dyeing and finishing. The effect of the liquid ammonia treatment on the tensile strength, tear strength, wrinkle recovery and surface properties were evaluated. Three quantitative indicators, i.e. smoothness, warmth and softness, were used to evaluate handle of the polyamide/cotton blended fabric samples before and after liquid ammonia treatment. The results show that the liquid ammonia finishing can increase both the tensile strength and tear strength of the polyamide/cotton blended fabric. The wrinkle recovery angle of the fabrics treated with liquid ammonia increased from 218° to 252.3°, and the ratio of roughness wavelength-to-amplitude decreased from 50.46 to 44.87, which indicates that the crease resistance and smoothness of the fabrics treated with liquid ammonia were significantly improved. Although liquid ammonia did not significantly improve the softness of the fabric, the thermal conductivity of the treated fabric was lower than that of the untreated fabric to a certain extent, resulting in the improvement of the contact warmth of the fabric.

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    Preparation and properties of puncture-resistant fabrics made from polyester and aramid or ultrahigh molecular weight polyethylene compound yarns
    LI Fengyan, YE Tianyu, ZHAN Xiaoqing, ZHAO Jian, LI Danyang, WANG Rui
    Journal of Textile Research    2021, 42 (07): 82-88.   DOI: 10.13475/j.fzxb.20201007007
    Abstract586)   HTML12)    PDF(pc) (2241KB)(95)       Save

    In order to reduce the costs and improve comfortability of puncture-resistant fabrics made from high performance fibers, the compound yarn with aramid or ultrahigh molecular weight polyethylene fiber (UHMWPE) and polyester were prepared and used as the yarn materials of puncture-resistant fabrics. The influence of compound yarn, fabric density and overlying layers on static puncture properties, air and moisture permeability of fabrics were measured and analyzed. The results show that the puncture force increases with the increase in fabric areal density, and the addition of polyester fibers either maintain or improve the puncture resistance of the fabrics. By increasing the fabric layers, the maximal load improvement is close to 536%. In addition, the puncture load could be achieved by increasing fiber content with small fabric layers.The addition of compound yarn has no influence on air and moisture permeability of the fabrics. However, the air permeability are significantly decreased with overlying layers to 64.82% with the increase of fabric warp and weft densities.

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    Research progress on bulletproof properties of shear thickening fluid/high performance fiber composites
    ZHANG Qianyu, QIN Zhigang, YAN Ruosi, JIA Lixia
    Journal of Textile Research    2021, 42 (06): 180-188.   DOI: 10.13475/j.fzxb.20200603809
    Abstract583)   HTML18)    PDF(pc) (4340KB)(231)       Save

    In order to promote the research and applications of intelligent impact protection materials, this paper reviewed the progress in shear thickening fluid (STF) impregnated high-performance fibers, summarizing their effective mechanical response and energy absorption mechanism upon high velocity impact. The research progress of STF rheological properties, mechanical properties of STF/fiber composites and their anti-ballistic impact mechanisms were reviewed. The selection of STF raw material, the construction principle of composite material system and the preparation method were analyzed. According to the characteristics of ballistic impact process and the reaction mechanisms of STF/fiber composites under high velocity impact, the factors affecting ballistic impact performance were discussed and perspective solutions proposed. The research direction of flexible and intelligent STF/fiber bullet proof composites with high responsiveness is forecasted, and it was made clear that the characterization and evaluation methods of flexible and intelligent STF/fiber bulletproof composites still need improving. The composites based on the three-dimensional self-reinforcing structures, the interfacial bonding between fiber material and STF, the rheological slip and friction characteristics are the key research points in the future.

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    Style similarity algorithm based on clothing style
    JIANG Hui, MA Biao
    Journal of Textile Research    2021, 42 (11): 129-136.   DOI: 10.13475/j.fzxb.20201207808
    Abstract578)   HTML49)    PDF(pc) (2991KB)(217)       Save

    In order to calculate accurately the similarity between clothing images so as to meet the cross-scene needs of more users searching for clothing matching images for purchasing similar clothing, the influencing factors of clothing styles were investigated based on clothing styles constructed according to quantitative standards. The feature model of styles was established to further analyze the shortcomings of existing clothing attribute recognition algorithms, and was used to identify styles based on deep learning. The features of clothing styles were depicted through constructing a residual network model that integrates transfer learning. The experimental results show that the precision of the model on clothing style features is close to 90%, and the overall accuracy reaches 80%. Compared with the traditional image similarity methods, the accuracy of the image similarity calculation based on clothing styler is higher.This research also provides new ideas for personalized clothing recommendation.

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    Research progress in fibrous materials for interfacial solar steam generation system
    GE Can, ZHANG Chuanxiong, FANG Jian
    Journal of Textile Research    2021, 42 (12): 166-173.   DOI: 10.13475/j.fzxb.20201007508
    Abstract577)   HTML26)    PDF(pc) (7163KB)(217)       Save

    Aimed at the alleviation of the increasingly scarce of fossil energy and the shortage of fresh water resources, and promote development and application of fibrous materials in the utilization of water resources, latest research progress in the interfacial solar steam generation system using fibrous materials was reviewed. This paper started by introducing the main principles, development history and the applications of interfacial solar steam generation system. The photothermal conversion materials and auxiliary materials in the interfacial solar steam generation system were reviewed and analyzed respectively. Based on their functions, the advantages of the fibrous materials such as diversified functions, light weight, low cost and ease of processing were elaborated, demonstrating fibrous materials' excellent performance as the main raw materials for the interfacial solar steam generation system. This paper concluded with an outlook on the challenges in using fibrous materials for the interfacial solar steam generation system and possible solutions to improve the practicality of the system. It is anticipated that this review paper can benefit the widespread applications of fibrous materials in interfacial solar steam systems.

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    Preparation and performance of polyvinyl alcohol/sodium alginate/berberine medical dressing
    WANG Chunhong, LI Ming, LONG Bixuan, CAI Yingjie, WANG Lijian, ZUO Qi
    Journal of Textile Research    2021, 42 (05): 16-22.   DOI: 10.13475/j.fzxb.20200605207
    Abstract572)   HTML26)    PDF(pc) (3100KB)(173)       Save

    In order to improve the antibacterial and water resistance of polyvinyl alcohol (PVA)/sodium alginate (SA) medical dressings, berberine (BR) was used as a natural antibacterial agent to load on the medical dressing. The PVA/SA/BR nanofiber membrane was prepared by electrostatic spinning, and the membrane was cross-linked in calcium chloride absolute ethanol solution. The chemical structure, antibacterial performance, liquid absorption and mechanical properties of the PVA/SA/BR nanofiber membrane were characterized and analyzed. The results show obvious beads of BR in PVA/SA nanofiber,which combine well with PVA/SA. After cross-linking with calcium chloride, the PVA/SA/BR nanofiber membrane changes from mesh to smooth membrane. When the mass fraction of berberine is 6%, the breaking strength of the PVA/SA/BR nanofiber membrane is 1.76 MPa, and the antibacterial rates for Escherichia coli and Staphylococcus aureus are 99.41% and 97.89% repspectively. When the mass fraction of calcium chloride is 4% and the cross-linking time is 4 h, the breaking strength of the PVA/SA/BR nanofiber membrane is 4.17 MPa and the liquid absorption rate is 1 257%.

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    Research status and development trend of perspective preparation technologies and applications for textiles
    WU Jing, JIANG Zhenlin, JI Peng, XIE Ruimin, CHEN Ye, CHEN Xiangling, WANG Huaping
    Journal of Textile Research    2023, 44 (01): 1-10.   DOI: 10.13475/j.fzxb.20220706210
    Abstract569)   HTML85)    PDF(pc) (5040KB)(411)       Save

    Significance Chemical fiber is a necessary component of human productivity and daily living. Since the 1970s, China's chemical fiber industry has developed quickly, and China has led the world in production of chemical fiber for almost 20 years. In 2021, China's chemical fiber output has reached 60.25 million tons, or more than 70% of the total amount produced worldwide. Currently, the development of high performance, functional, and intelligent textile products has drawn considerable attention as consumer demand has increased significantly. The production of raw resources, technological advancement, and the application fields of functional products are all significant variables. The future development of the textile industry is undoubtedly very important, and in order to be clear about the future development direction, it is thus crucial to summarize the possible and potential development trend of novel technologies and improved products with higher performance and wider application fields in future textile industry on the basis of the existing technologies and problems.
    Progress Currently, significant obstacles still exist to the growth of the textile sector, which are mostly seen in the following four aspects: 1) shortage of resources for fiber raw materials; 2) increase of processing costs; 3) products elevation. Middle and low-grade products no longer have any advantages, the production and processing capability is forced to migrate out of China, and new and high-grade products are being developed and produced; 4) absence of innovative technology. The developed synthetic biological method and genetic engineering technology can successfully prepare bio-based raw materials like 1, 3-propanediol and lactic acid in order to avoid the significant consumption of petroleum-based raw materials and the competition between bio-based raw materials and grain. Fiber material forming technology is moving progressively in the direction of an effective multi-flow, sustainable, green, and intelligent technology introduction. Furthermore, the fiber forming technology is more advanced to achieve the accurate building of multiple fiber structures. A greater range of applications can be met by the expansion and performance improvement of fiber structures. Application of clothing in the direction of development for high performance, minimal loss, light weight, and multifunctional clothing. Additionally, textiles have new uses in the development of biomedical materials, environmental protection filtration materials, and agricultural production materials. The innovation products are multi-functional and more intelligent, and can realize the active adaptation of structure and performance in varied application conditions.
    Conclusion and Prospect The development of textile industry and textile technology has played a crucial role in the evolution of human civilization. Today in the 21st century, the textile industry is no longer just a conventional industry to meet the needs of human clothing. Its technological development is more advanced and cutting-edge: 1) the innovation of raw materials. Innovations in feedstock technology such as the development of bio-based feedstocks have made fiber products more environmentally friendly. Pure organic polymers are no longer the only type of fibrous matrix materials; in addition, inorganic, metal, and organic-inorganic hybrid fiber materials are now covered. 2) forming technology. Fiber material forming technology is gradually moving toward an effective multi-flow, environmentally friendly, and sustainable processing process. Infinite creative potential exists for final applications thanks to the advancement of fiber forming technology and the evolution of fiber on a multidimensional scale. 3) intelligent manufacturing. The adoption of intelligent manufacturing, complete process automation, information technology, and digitalization can significantly increase the productivity of the textile sector. 4) more diverse applications. In the future, textiles could be used in apparel, wearable textiles, household textile items, and extremely innovative fields including biomedicine, the environment, energy, agricultural production, building, and transportation, among others, with the focus on intelligence and function. The textile sector has demonstrated multifaceted inventive growth that will open up more room for human civilization and technology advancement.

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    Review in functional textiles for personal thermal and moisture comfort management
    CHENG Ningbo, MIAO Dongyang, WANG Xianfeng, WANG Zhaohui, DING Bin, YU Jianyong
    Journal of Textile Research    2022, 43 (10): 200-208.   DOI: 10.13475/j.fzxb.20210401609
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    With the aim of achieving improved individual comfort and reduce energy consumption in providing cooling and heating, textiles regulating heat and moisture exchange between human body and its surroundings are a promising solution. This paper reviews the researches on functional textiles for heat and moisture management. The review started with the introduction of personal heat and moisture comfort management mechanisms, followed by summarizing six common advanced functional textiles that can be used for personal heat and moisture management, these being the radiative thermoregulation textiles, phase change thermoregulation textiles, smart response textiles, thermal conductive textiles, thermoregulation textiles for energy conversion, and moisture management textiles. The research progress in functional textiles was summarized on the basis of different heat and moisture management mechanisms and their potential applications in several fields, taking that fabric regulation of microclimate between body and ambient heat and moisture balance is the key to individual comfort. The review pointed out that the current advanced functional textiles for heat and moisture management still have problems such as difficulties in scale preparation, functional singleness, lack of intelligence and absence of systemic heat and moisture comfort evaluation, and it is foreseen that advanced textiles for personal heat management, energy harvesting technology and integration of flexible electronic devices are the future development trend of smart clothing.

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    Classification and recognition of young males' neck-shoulder shape based on 2-D photos
    ZHANG Jian, XU Kaiyi, ZHAO Songling, GU Bingfei
    Journal of Textile Research    2022, 43 (05): 143-149.   DOI: 10.13475/j.fzxb.20210506507
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    In order to explore the classification of the neck and shoulder shape of young men and to facilitate the automatic recognition based on 2-D photos, this study obtained the point cloud data of 180 male college students using a three-dimensional body scanner, and measured 22 characteristic parameters relating to the male neck and shoulder shape. According to the analysis of the coefficient of variation, the forward angle, back angle, shoulder oblique angle, neck-to-shoulder width ratio, and neck transverse sagittal diameter ratio were selected as cluster analysis variables to classify the neck and shoulder shapes for establishing the discriminant rules. Combining the 2-D photos of the human body to extract the parameters required for body type classification, an automatic recognition system for the shape of the neck-shoulders was constructed. The results show that the neck-shoulder shape of young men can be divided into three types, namely round-neck-drop-shoulder, forward-round-neck and wide-neck-straight-body. The discrimination accuracy rate of the constructed form automatic recognition system reached 93.33%, indicating that this method is effective and feasible, and can meet the needs of consumers' personalized customization.

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    IP marketing strategy for clothing brands based on SIPS model
    JIANG Runtian, JIN Peng, WU Yan, CHEN En
    Journal of Textile Research    2022, 43 (07): 162-169.   DOI: 10.13475/j.fzxb.20210705809
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    Aiming at the lack of systematic layout of clothing brand IP marketing strategy, this paper puts forward clothing brand IP marketing strategy based on SIPS consumer behavior analysis theory. The IP marketing strategy of clothing brand was divided into three dimensions, i.e. content, form and drainage. Combined with SIPS theory, the logical relationship and layout of the three-dimensional strategy were modified, and three IP marketing content strategies, five form strategies and four drainage strategies were obtained. The characteristics and effectiveness of each dimension strategy were extracted, and the clothing brand IP marketing strategy based on SIPS theory was put forward. The research results show that after the implementation of the IP marketing strategy guided by the model, the omni-channel reading volume and sales volume of a commercial project are greatly improved. After the implementation of the marketing strategy for the first time, the number of readers, times and sales volume of the brand are increased by 180.5%, 178.9% and 389.7%, respectively. The adjustment strategy of clothing brand according to its own positioning, consumer groups and marketing objectives can provide enlightenment for the sustainable and vertical development of the brand.

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