Table of Content

15 May 2013, Volume 34 Issue 5

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 Determination of 4 pyrethroid pesticide residues in greasy wool based on gas chromatography

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  1-6. 

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n order to study and establish the national standard method of 4 kinds of pyrethroid pesticide residues in greasy wool by a gas chromatography - ECD method, the greasy wool?were added 4 levels mixed?standard reagent (0.06?μg/g,?0.30?μg/g,?2.00?μg/g,?5.00?μg/g),?which contains?4 kinds of pyrethroids, then the sample was extracted by n-hexane and aether（Volume ratio2:1）, and then purified by a neutral alumina column and an florisil column and eluted by 4ml of n-hexane and ethyl acetate（Volume ratio95:5）, finally detected by gas chromatography -ECD, the quantitative results were obtained based on external standard method. The result shows that the limits of detection of 4 kinds of pesticides were 0.020 μg/g, 0.060 μg/g, 0.024 μg/g and 0.030 μg/g respectively, the recoveries range were from 79.4% to 101.2%, the relative standard deviations were between 1.20% and 3.08%.So the method is an favorable separation effect, less disturbance, accurate, easy, quick, less use of solvent and environmental friendly.

Preparation and characterization of core-shell structured C/SnO₂ nanofiber membrane

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  7-11. 

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C/SnO₂ nanofibers with a core-shell structure were prepared by using coaxial electrospinning combined with sol-gel method. The morphologies of nanofibers were characterized by field emission scanning electron microscopy (SEM) and transmission electron microscopy (TEM), and the tensile mechanical properties of nanofiber membrane were measured. The results indicated that the average diameter of the nanlfibers increased with the increase of the electrospinning speed ratios of core/shell, making the breaking strength and tenacity of fibrous membrane increased. When electrospinning speed ratios of core/shell was at 0.3 mL?h^-1 respectively. The continuity of nanlfibers was better, and the nanofiber was uniform and smooth. The surface and the morphology of core-shell structure were obviously superior to the other two groups. The nanlfibers membrane had longer breaking elongation.

Preparation of water saving and moisture retention film for concrete curing

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  12-16. 

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A super-absorbent slurry was prepared with solution polymerization. Rayon non-woven fabric was prepared by the way of dipping, which made them with good water absorption, and the reaction conditions were optimized through ortho-experiment. The influence of hot pressing conditions on apparent water absorption and tensile properties of film was discussed, and the repeated water absorption ability and related structures were also analysised and characterized. The results showed that, when the monomer ratio was AA：AM=46：54, modified kaolin content was 2%, initiator content was 0.2%, crosslinker content was 0.1%，reaction temperature was 55°C, the apparent water absorption of membrane-based fabric could reach 5004.535 g/m² , the water absorption and tensile properties were good in different hot-pressing temperature and time, and the quality of reuse was also very well.

Effects of texturing entropy change on tensile properties of textured yarn

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  17-20. 

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Entropy was a state function, the relative entropy value of the yarns varied directly to the logarithm of its disorderness degree, hence the entropy changing during texturing influenced the inner structure and properties concerning badly. The ordinary filaments were flat and smooth, this order was ruined by texturing which was growing the relative entropy of the system, thus bigger loss of strength and elongation at break was to be tested. To indicate the relationship between texturing entropy change and the stretching properties, 10 textured sample yarns were designed and spun, then tested. The results showed that along with the increasing both of the entropy change and disorderness degree, both the loss of strength and the loss of elongation at break grew quickly, to 50% or so. When multi-differential shrinking was added, the ATY’s loss of strength curve was flatten, as well as its loss of elongation at break curve was laid down though at the same time of the growing both of the entropy change and disorderness degree.

Caking property of the basalt fiber geogrid with the asphalt

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  21-24. 

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The basalt fiber is a kind of non crystalline inorganic and a smooth surface of cylindrical solid fiber. The bonding force is poor between the basalt fiber geogrid with asphalt and it’s a simple coating. In the base of the basalt fiber component structure analysis the surface of geogrid tablets was treated with silane coupling agent (KH550、KH570) and aluminum zirconium coupling agent (TL-1、TL-6. the geogrid tablets is short time immersed in the liquid asphalt and then take the water immersion test analysis. It can be concluded that the bonding degree can reach level 5 which was treated with silane coupling agent KH570.

Rheology and wettability of chitosan /hydroxypropyl cellulose blend materials

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  25-29. 

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This paper deals with the rheological behavior and wetting power of chitosan/ hydroxypropyl cellulose (HPC) blend materials. Measuring the viscosity and shear stress of the blend solution by RVDV-ⅡPRO viscosimeter, the influences of composition and temperature on the rheological behavior of blend solution were observed, respectively. The contact angle (CA) of the film was measured by a K100 automatic surface tensiometer to investigate the chitosan / HPC blend materials wetting power. The results showed that almost all the mass ratio blend solutions belong to non-Newtonian fluid except the blends with mass fraction of not more than 1% HPC and not more than 1% chitosan——Newtonian fluid. The blend viscosity falls as temperature rises. The contact angle minimum is in the sequence as that of methyl alcohol< that of ethylene glycol < that of N, N-dimethylformamide < that of distilled water at 20 oC. Temperature change can make water CA low down obviously, and the CA values is in the order of that : 20℃＜40℃＜30 ℃ when the mass fraction of HPC is below 0.25%. The pH rising or falling a little more can both lead to the CA falling. When the mass fraction of HPC in blend material was in 0～1 %, the water CA changes from 71.04 ° to 55.38 °. Those will have some guidance significance to chitosan / HPC blend materials spinning, film forming and their application.

One-step preparation and properties of PET/CDP composite FDY

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  30-34. 

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Based on polyethylene terephthalate (PET) and cationic dyeable polyester (CDP), one-step PET/CDP composite FDY was obtained by spinning and drafting integrated system. Sound velocity method and different scanning calorimetry (DSC) were used to investigate the properties of the yarns. The experimental results showed that when the speed of GR1 increased, the crystallinity, the breaking strength, the sound velocity oriental factor and modulus decreased, while the breaking elongation of the fibers obviously increased on the same conditions, and the boiling water shrinkage of the fibers increased slightly. According to the difference of the properties between PET and CDP, the process optimization for the spinning and drafting preferably meet the need of the CDP, and PET was also considered at the same time.

Evaluating on moisture comfort property of PP magnetic fiber fabric based on grey clustering

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  35-40. 

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In order to come to a conclusion of how the yarn material and weaving structure affect the moisture comfort of magnetic fiber fabric, enlarge the application areas of this function fiber. Designed 10 different kinds of new fabrics with different construction, the fabrics weaved by blended yarn of magnetic fiber/bamboo pulp/cotton with the scale 67/23/10 together with cotton, bamboo pulp /cotton blended yarn. Made permeability, moisture permeability and moisture conductivity tests of different fabrics under grey clustering analysis of the grey system theory to find out the best design to gain the moisture comfort of fabric among the different yarn material and waving construction. The result shows optimum summer moisture comfort in the warp and weft is magnetic fiber blended yarn and bamboo fiber with plain weave; while the optimum winter moisture comfort in the warp and weft is magnetic fiber blended yarn and bamboo pulp fiber with stitching double weave.

Standardized weave designing of multicolored warp woven photographs

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  41-46. 

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Due to the complex arrangement of the colored weft and warp yarns and special structure of the woven photograph fabric, a standardized method to simplify the fabric structure is crucial during the design of the fabric. A standardized method which simplifies the multi-layer photograph fabric into three standard basic structures is introduced in this paper. By using these standard basic structures, the “transition” effects in the photograph fabric is obtained successfully and the “red strips” defects on the fabric during production is analyzed and solved. This standardized methods and simplified structures provide mechanism and help develop the structure database for photograph fabric design.

Study on jute/low-melt fiber composite mulching film

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  47-52. 

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In this paper, jute fibers were blended with low-melt fibers and were carded into fiber web by using Rando air-laid machine. Then the fiber web was bonded by using the vulcanizing machine. The influences of temperature, time and pressure on the mechanical properties of jute/low-melt fiber web were investigated.

Study on the Properties of Maleic Anhydrided Starch Used as Warp Sizing Agents

Miao WANG

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  53-57. 

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Abstract In order to reveal the impact of maleic anhydride-esterification of starch on the properties of starch sizes, a series of maleic anhydrided starch (MAS) with different degree of substitution (DS) were prepared by reacting differeny amount of anhydride with starch. Viscosity of cooked starch pastes, starch film, and adhesion to polyester and cotton fibers were examined. The properties were assessed through the comparison of MAS with acid-thinned starch (ATS) and acetylated starches (AS). The results showed that the maleic anhydride-esterification were able to increase the work to break, tensile strength of starch film and improve desizing performance, and enhance the adhesion of starch to polyester fibers. The MAS was superior to ATS and AS in improving the properties of starch film and the adhesion to polyester fibers under similar DS level. Applicable DS of MAS for sizing polyester warp was 0.036. The MAS could be obtained through adding 25% maleic anhydride into an aqueous dispersion of starch and then reacting the system for I h under pH 7.5-8.5 and 30℃ after an acid-thinning for reducing the viscosity of cooked starch paste.

Synthesis and application of promoter ZL to cotton cellulose for indigo dyeing

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  58-64. 

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In order to improve the low rate of indigo uptake for cotton fabric, the cationic ring-opening polymerisation of epichlorohydrin in carbon tetrachloride with boron trifluorideetherate as catalyst produces the polyepichlorohydrin(PECH) polymer. ZL was prepared by the initial polymerisation of epichlorohydrin followed by amination with dimethylamine. And the modification conditions have been optimized, the K/S value and the color fastness had been measured. The condition was as follow：ZL 2g/l, NaOH 4 g/l, 80℃ and 40min. Cotton fabric modified by ZL had a significant increase in K/S value which could reach 25.06,while the unmodified was only 16.60. The experiments also showed that the same dye depth as that of 6-passage dyeing in traditional process could be obtained under the process of modification with 2 g/L ZL and 3-passage stock indigo dyeing. Meanwhile, the color fastness is also good.

Extraction of chlorophyll in Taxus chinensis and its sodium zinc chlorophyllin dyeing property to wool fabric

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  65-69. 

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Chlorophyll was extracted from Taxus chinensis leaves with 95% ethanol and the extraction process was optimized. Sodium zinc chlorophyllin was prepared from the extraction and was used for wool fabric dyeing. Effects of dyeing temperature and dye concentration were investigated. The results showed that better extraction conditions of chlorophyll in the leaves were 95% ethanol, extraction temperature 60°C, solid to liquid ratio 1:15 and extraction time 2h. Wool dyed with sodium zinc chlorophyllin obtained the maximum K/S value when dyeing temperature was 90°C. Sodium zinc chlorophyllin had good build-up property on wool fiber. Dyed wool fabric showed good washing fastness and light fastness was needed to improve. The maximum absorption wavelength of wool changed and K/S value decreased under the ultraviolet radiation.

Analysis of adsorption decoloring effect of granular activated carbon for simulative reactive dye wastewater

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  70-75. 

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In this paper, the surface morphology structure of activated carbon was characterized by using SEM, and the change of absorbance of reactive dye wastewater before and after adsorption was measured by the ultraviolet-visible spectrophotometer. The effects of granular activated carbon types, mesh size, dye wastewater concentration, pH value, absorption temperature and time on the adsorption decoloring effect for dye wastewater were investigated. The research results showed that coconut shell activated carbon has a better adsorption decoloring effect, compared with coal-based activated carbon and nutshell activated carbon. The larger mesh size, the better adsorption decoloring effect we can achieve. The adsorption decoloring effect of activated carbon for dye wastewater decreases linearly with the increase of dye concentration. The adsorption decoloring effect of activated carbon in the acidic condition is better than that in the alkaline environment, and the best adsorption decoloring result is obtained when pH value is 5.5. The higher the temperature, the more color can be removed. However, when the dye wastewater is heated to a certain temperature, the improvement of the adsorption decoloring effect is not significant. Before the adsorption equilibrium, the increase of absorption time has a pronounced effect on the color removal.

Dyeing kinetics study of reactive dye  on cotton in dye/D5 suspending system

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  76-81. 

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The advantages of reactive dye/D5 suspending system dyeing are water-saving and salt-free, for improving the dye up-taking control, and dyeing process optimization of the reactive dye on cotton, the adsorption kinetic experiments were carried out by C.I. reactive 195, and the dyeing mechanism was investigated. Pseudo first-and second-order kinetic models were used to examine the adsorption kinetic data, some dyeing kinetic parameters of reactive dye/D5 suspending system dyeing and conventional reactive dyeing were studied. The results indicated that the adsorption kinetics of reactive dye/D5 suspending system dyeing and conventional reactive dyeing were found to follow the pseudo second-order kinetic model. The new dyeing process can increase the amounts of dye adsorbed at equilibrium and reduce half-dyeing time.

Research on novel Ag-loaded antibacterial cotton fabric

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  82-85. 

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Aminopropyltriethoxysilane (APTES) was used to anchor amino groups on the surface of cotton fabric, and Ag was loaded by the complexation of amino groups with Ag+. The effect of coupling agent concentration, coupling temperature on the loading capacity of silver on cotton fabric were studied, and antibacterial property of the cotton fabric was tested. The results show that the optimized conditions of coupling process arecoupling temperature is 50oC, the concentration of coupling agent is 0.4%. The optimized condition of complexation reaction are as follows: the complexation temperature is 35oC, reaction time is 100 min. The antibacterial property of the Ag-loaded cotton fabric to escherichia coli and staphylococcus albus is farely well even after 10 times washing.

Process optimization of moisture crosslinking and infouence thereof on properties of textile

Lian-Jun WANG

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  86-89. 

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The key factors of moisture crosslinking were studied. The results showed that formaldehyde release, tearing strength, color change and appearance of finished textile was affected by selected the resin and auxiliaries and the technology parameters, the optimum PH values of moisture crosslinking is about 2 to 2.5, the optimum equilibrium time is 16 to 20 hours at temperature 38~40 ℃,and it is monitored the period of finishing of moisture crosslinking.

Study on preparation and soft application on cotton of sucrose polyester emulsion

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  90-94. 

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The factors affecting stability of sucrose polyester emulsion such as emulsification method, the HLB value and dosage of compounded emulsifier, emulsification temperature and the type and dosage of thickener are investigated and get the optimum technological parameter. The application properties of the cotton fabric finished with sucrose polyester is tested, compared with 3 different softener in market. The results indicate that when emulsification method is inverse emulsion method and the HLB value and dosage of compounded emulsifier are 10.4 and 6%, and emulsification temperature and the type of thickener are 90℃ and synthetic thickeners PTF, the stability of sucrose polyester emulsion is the optimum, and the cotton fabric finished with sucrose polyester as good soft as fatty acid amide TF-449B, much better soft than modified fat hydrocarbon TF-564 and less soft than organic silicon softener TF-432B

Prototype design method of weft kintting seamless underwear

Di WANG

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  95-99. 

Abstract ( 940 )   PDF (1642KB) ( 539 )   Save

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To realize the standardization and efficiencies of the weft knitting seamless underwear design as well as based on an in-depth study of weft knitting principles, combined with the body's structural characteristics and the movement of the functional requirement of clothing, the prototype pattern of weft knitting seamless underwear is established by a method combining the 2-D and 3-D design technologies and applied to the manufacture. It not only meets the functional requirements of the human body, but also guarantees the rationality and aesthetics of the style. Through the application example of the weft knitting seamless underwear prototype used in the conventional style and the structure change of corset, proved that the weft knitting seamless underwear prototype is suitable for the design of weft seamless underwear, it can be used in various types of weft knitting seamless underwear design pattern. To some extent, it standardizes the pattern design of weft knitting seamless underwear product, besides, it provides an effective way for new product's development of weft knitting seamless garment.

Innovative design of blue calico based on digital technology

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  100-106. 

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Abstract: Based on the design premise of mask-making technology particularity in traditional blue calico pattern design, in art design, it makes the blue calico pattern design innovation the breakthrough and take the usage of modern digital technology and traditional blue calico pattern design as innovation combination points. Analyse the relationship between blue calico and connected folk arts and crafts through specific examples of innovation, draw a conclusion that they can getting innovation combination design perfectly and successfully under different technological condition requirements and further proved the inheritance and innovation research model is the inevitable road of survival and development of traditional culture.

 Application of auspicious patterns in traditional Chinese folk costumes

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  107-110. 

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The auspicious patterns are one of the manifestations of traditional Chinese culture, which reflect people’s yearning and pursuit for the better life. Based on extensive historical research, this text sums up the characteristics of auspicious patterns in civil traditional costumes by the analysis of implied meanings and their performance types. Combining with the craft, the representative patterns and organizing forms of auspicious patterns which are applied to traditional Chinese folk costumes and made by different craft are also analyzed. The creations of auspicious patterns in civil traditional costumes which have special art style and aesthetic value penetrate all areas including people’s production and life and provided the rich design information and source of inspiration to the pattern designers for art creations.

Analysis on Lu brocade and influence of Confucianism

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  111-115. 

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Lu brocade has the distinct cultural feature of Qilu region. Based on the investigation of Shandong Lu brocade, from the perspective of cultural thoughts of Confucian, analysis the color beauty, pattern beauty and implies beauty of Lu brocade, think of the unique aesthetic of Lu brocade depends on its consciousness contact with the Confucian tradition culture. The color of Lu brocade is elegant, gorgeous and harmony, the pattern is abstract and with great rhythm, it contains abundant auspicious implies, reflects the concepts of Confucian: "benevolence", "ritual" and "nature and humanity", etc. Lu brocade is the Material crystallization of the Confucian tradition thoughts. It has practical significance to understand the Confucian culture spirit by Lu brocade: Confucianism pursuits of perfect personality, pays attention to interpersonal harmony, emphasizes on the virtue of diligence, virtue of brave and the spirit of self-renewal, all of this is the eternal spirit need of modern people.

Flexible dynamics simulation for space four bar linkage weft insertion mechanism based on ANSYS and ADAMS

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  116-120. 

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As for the requirement of the weft insertion mechanism of spatial four-bar linkage ,this paper builds three-dimensional solid model of this mechanism with PROE , and generates the rigid body model of the spatial four-bar linkage weft insertion mechanism ,then the simulation for Space Four Bar Linkage Mechanism will be done by flexible dynamics analysis method based on ANSYS and ADAMS .At the same time，compared with the rigid dynamics simulation data，The results show that flexible dynamics simulation analysis of the space of four weft insertion mechanism is feasible，and can be used to optimize the weft insertion mechanism later.

Warning method and system for abnormal events in weaving

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  121-126. 

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To improve the level of quality management of the textile mills, first, all kinds of uncertainties that affect the process of weaving were classified and analyzed. Then, through survey datum, an unusual event warning method based on fuzzy comprehensive evaluation was proposed for the weaving process. Second, a system model was built by all of the existed monitoring systems, and the corresponding abnormal warning subsystem was developed. Meanwhile, the specific methods for analyzing abnormal events, processing and determining uncertainties were introduced in detail. As proved by application that the design program can accurately warn abnormal events in the weaving, ensure the continuity of the entire production process, and arrive at the goal that is to strengthen management and promote efficiency.

Research of on-line fashion brand personality

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  127-132. 

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Under the background of raising information technology and living standard, emotional consumption and on line shopping market share is growing quickly. How to keep the competitiveness and brand personality is a core task during the process of on-line brand establishment and development. This research is focusing on the brand personality, "Big Five personality traits" and affective communication of B2C on-line brand, on the basis of brand personality theory and Brunswick Lens Model, an on-line brand affective communication model is established. In order to explain the utilization of this model, the paper conducted an empirical research on a B2C on-line brand(V brand) of China, getting a judgment of the accuracy of brand personality recognition and proposing suggestion on how to improve the quality of affective communication for the on-line brand.

Sketch-based garment pattern design

Gui-Sheng FANG

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  133-139. 

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Sketching is the initial design tool for garment design. The designer can rapidly express his (or her) design ideas by sketching some strokes of garments on paper. In this paper the traditional sketch-based design method by paper and pencil and the modern computer aided design method are combined. A sketch-based garment pattern design system, dubbed ClothDesign, is developed. Firstly, the contour of the garment pattern is sketched by pen-based interaction mode. Secondly, the sketching contour is segmented and reconstructed automatically. Some key information, such as vertexes data, edges data and pattern structure information of the sketching garment pattern, is obtained. The interpolation points on the contour of the sketching garment pattern and inside the contour are generated by using the interpolation method. Thirdly, the triangular meshes are generated by using the improved Delaunay triangulation algorithm. Finally, the texture is added on the triangular meshes of the garment pattern in order to improve the reality of the garment pattern. Some examples verified the high efficiency of the proposed algorithms. The sketching design garment pattern can be directly used in the next virtual stitching and garment show stages.

Computer simulation for warp knitted towel fabric

Ai-Jun ZHANG

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  140-145. 

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The knitting and design method of warp knitted towel fabric are introduced in this paper, then put forward a new kind of simulation method——filling pile loop models, which is based on analysis of the pile loop model data and the factors influencing configuration of the pile loop. The fundamental pile loop model is established by studying the relationship among the data of single pile loop model、structure configuration and raw materials, then analyse the relationship among the factors which influences the configuration of pile loop, and study how to get the simulation pile loop model in different shapes and study how to establish the pile loop model database, realize the simulation of warp knitted towel fabrics by the use of computer technology finally.

Current research of implantation artificial hair and biocompatibilit of polypyrrole

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  146-151. 

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Bending fatigue theory of textile fibers and its application 

JOURNAL OF TEXTILE RESEARCH. 2013, 34(5):  152-0. 

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Based on the current research on the fiber fatigue mechanism, some related research methods and devices on the fiber bending fatigue were summarized partially in this paper. These results are very useful which can help us to have more knowledge of some textile fibers and use them more reasonably. There is stress life (S-N) method, energy method and polymer fatigue theory about the flexible fiber bending fatigue. These theories play the important role extremely in bending fatigue research. Along with the development of the theories, the corresponding bending fatigue instrument also had a lot of improvements. Combined with some modern professional software application, the fiber fatigue research contents and methods are more and more convenient and true. These effectively promote the research of the textile fiber bending fatigue.