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Table of Content
15 April 2005, Volume 26 Issue 2
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科研报告
Polyurethane membranes modified with silk fibroin and their surface properties
SUN Dong-hao;WU Zheng-yu;WANG Wen-bao;LI Ming-zhong;CHENG Hui-ming
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 1-3.
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1099
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The polyurethane (PU) membranes modified with silk fibroin(SF),made from SF protein and liquid prepolymer with terminal\|isocyanate groups,were obtained by the process of prepolymer having reaction on the surface of SF membranes and then controlling the moisture of system and the solution conditions.Analized the surface properties of membrane by SEM\,ATR\|FTIR and X\|ray energy spectrometer.The results showed that SF was grafted onto the surface of PU membranes;PU membranes modified with SF have good flexibility as well as their hydrophilicity was improved,and certain water vapor permeability.
Synthesis and properties of the FA/LMA/MMA copolymer emulsion
ZHANG Qing-hua;ZHAN Xiao-li;CHEN Feng-qiu
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 4-7.
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1119
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Fluoroacrylate copolymer stable emulsion was made by emulsion polymerization under empolyment fluorocarbon surfactant with fluoroacrylate,lauryl methylacrylate,methyl methylacrylate as monomers.The composition of copolymer was demonstrated by FT\IR,The influence of emulsifers and comonomers on latex properties were studied,and the water\resistant and oil\resistant properties of copolymer film were investigated by contact angles method.
Relationship between the mechanical properties of spider dragline silk and spiders control and spinning condition
LIU Min;PAN Zhi-juan;LI Chun-ping
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 8-11.
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1077
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The mechanical properties of spider dragline silk reeled to the different spiders to be anaesthetized were investigated.The dragline silk were reeled in different tension and humidity,and their mechanical properties were measured,which is useful to the artificial spinning of protein fiber.The results showed that the stress and diameter of dragline silk decrease with the anaesthetized time increasing,but the values of other mechanical characteristics don't apparently decrease.It could be concluded that the protein structure in spider's ampullate gland determine the properties of dragline silk when spiders lost their control ability.When the tension is 0\^039 cN,dragline silk has the best mechanical properties.The strain of dragline silk increase a little while the values of other mechanical characteristics decrease when the silk is reeled in wet.
Mechanism of wool slenderizing and setting
YU Wei-dong;LIU Hong-ling;ZHANG Yue-ting
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 15-17.
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1153
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According to the descriptions on the mechanism of wool slenderizing and setting published in home and abroad,discussed and explained the limitation in existent theories and the weakness in wool slenderizing through the theoretical analysis and the experimental validation.The corresponding methods for the pretreatment,stretching and setting are put forward and tested based on a new mechanism of the “slippage slenderizing” for wool slenderizing.
Flexural properties of CFRP-cement mortar under moisture and heat environment
XIONG Jie;XU Xin-jian;XIAO Qing-liang;XU Shu-yan;
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 18-20.
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1120
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The flexural properties of cement mortar externally bonded carbon fiber sheets under different moisture and heat environment were studied by means of three-point bending test.The fracture modes of CFRP-cement mortar system were examined.The experimental results show that when the specimens were immersed in 25 ℃ water for 1 to 5 days,their strength did not change with the time.When the specimens were immersed in 60 ℃ water for 1 to 5 days,their strength increased with the time.When the specimens were immersed in 90 ℃ water for 1 to 5 days,their strength increased for 1 to 3 days,but decreased for more than 3 days.The fracture modes of CFRP-cement mortar specimen were accumulation with certain ductility,when they were immersed in 25 ℃ and 60 ℃ water for 1 to 5 days,as well as 1 to 3 days at 90 ℃.But when they were immersed in 90 ℃ water for 5 days,the brittle collapse took place.
分析探讨
Structure and properties of mulberry-silk fiber in different cocoon layers
ZHOU Lan;SHAO Jian-zhong;ZHENG Jin-huan;WANG Li-na
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 21-23.
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2153
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The differences in morphological structure,chemical constitution and micro\|structure of silk fiber in different cocoon layers were studied using a range of analytical techniques,scanning electron microscope(SEM),Fourier transform infra\|red spectroscopy in ATR mode (FTIR\|ATR),differential scanning calorimetry (DSC),amino acid analysis;The degumming loss percentage and the dyeing behavior with reactive dyes of the silk fibers in different cocoon layers were investigated.The results show that there are obvious differences in radial size and degumming loss percentage of silk fibers in different cocoon layers.Amino acid composition of silk fibroin in different cocoon layer is identical in category but different in content.There are some differences in micro\|structure and thermal property of silk fiber among different cocoon layers.
Recycle sericin from waste water of silk by hollow fiber membrane filter
DUAN Ya-feng;SHEN Yao-ming;JI Yong-bin
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 24-26.
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1482
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In order to reduce the pollution of soluble sericin in waste water of silk industry,condensed the waste water which had been processed by acid using the separating technics of hollow fiber membrance,and then dried the concentrated solution of the sericin by drying technics of sentrifugalizing and spraying to obtain pure sericin protein.There is a large number of sericin protein in waste water. After the waste water is processed by the way described above,its COD<sub>Cr</sub> can be reduced to about 80 mg/L and meet the need of draining standard or achieve the level of water used in making silk so that the water can recycle.And by this means sericin protein in waste water can be efficiently recycled and new by\|products of sericin protein were developed.
Measurement of the concentration of organic compounds in coagulating bath of hollow fiber membrane for DMAC/PVP system
DAI Hai-ping;SUN Fang;ZHANG Hui-xin;QU Yong-li
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 27-29.
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1102
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The change of the concentration of organic compounds in coagulation bath was measured during hollow fiber spinning process by ultraviolet spectrophotometer;the relationships between the concentration of DMAC/PVP and COD were tested also.The results indicated that the relationship between the concentration of organic compound and COD is linear correlation,and between absorption and COD is also linear correlation in the range of 250～240 nm,the coefficients of correlation are <i>r</i><sup>2</sup>>0.99.So the concentration of organic compound in coagulating bath of hollow fiber membrane for DMAC/PVP system can be tested by ultraviolet spectrophotometer.
Development of TPX-Ⅱ water and oil repellent finishing agent for polypropylene fiber
ZHENG Guo;LIU Yan-jun;XIAO Chang-fa
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 30-32.
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1091
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TPX Ⅱ water and oil repellent finishing agent was designed for polypropylene according to the features and requirements of the spinning process.The properties of it were studied systematically,such as the water and oil repellent property,frictional property,heat resistant property.The water and oil repellent finishing was realized during the spinning process of polypropylene fiber.
Rheological behavior of lactic acid and glycolic acid(PLGA) copolymer melt
LAN Ping;XUE Yuan;YU Lin yan
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 37-40.
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1273
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A direct copolymerisation process was used to prepare lactic acid and glycolic acid copolymer (PLGA). Rheological behavior of PLGA melt was tested using cone and plate. It was found that PLGA melt was paeudoplasic fluid,and non Newtonian index value of PLGA melt was bigger than that of PLLA melt, which indicated that the dependence of the PLGA viscosity on shear rate was less; Under the same shear rate, the flow activation energy of PLGA was higher than that of PLLA, which indicated that the viscosity of PLGA was more sensitive to temperature.
Forming of chitosan fiber
GAO Guang;LIN Min yi;WU Guo ming
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 41-43.
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969
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Experiments were carried out to study the molding mechanics and optimal conditions of the forming of chitosan fiber. And it was found out that the sound contents of chitosan, acetic acid and carbamide in the chitosan spinning dope should be 3 5 wt%,2 wt% and 1 wt%,respectively, and the glycerine 0 5 times of chitosan. Compound coagulating bath of bicomponent or tricomponent were found having better molding effect. The suitable spinning conditions were obtained:spinneret draft factor -68%, plasticization drawing factor 22%,water bath drawing 9%,these drawing baths' temperatures were respectively 60 ℃ and 80 ℃,fiber was washed in the water of 55 ℃.
Structure and property of water-soluble polyester
CHENG Zhen juan;SUN Fu;TANG Wen bin
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 44-46.
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1399
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The water soluble polyester(WSP) was prepared by adding modifying components such as dimethyl terephthalate(TPA), dimethyl isophthalate(IPA),adipic acid(AA),dimethyl isophathalate-5-sulfonic sodium (SIPM),polyethylene glycol(PEG) and ethylene glycol(EG). The existence of SIPE is proved by the FTIR analysis. Tested the melting temperature, viscidity and other properties. And studied the crystallization capacity through DSC and X ray. Discussed the influences of chemical structure, temperature, surface area, surface active agent, electrolyte and pH value on the water solubility of copolyester. Then studied the solubility of WSP in the organic solvents. And also discussed the spinning ability of the water soluble polyester.
Study on chemical modifying to flax initiated by plasma
REN Zhong hai;GUO Ya lin;LIU De jun;LIU Xue
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 47-50.
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1236
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The mechanism of inducing quaternary amino groups on flax initiated by plasma has been studied. FTIR spectrum indicated that quaternary amino groups have been induced onto the flax. The effects of plasma initiatioin factors and chemical reaction conditions on modifying results were resear ched. The results show that the optimum technology conditions are that plasma power is 200 W, irradiation time is 150 s,the concentration of quaternary ammonium salt is 40 g/L,and NaOH is 15 g/L at 60 ℃ for 60 min.
Study on the soybean protein fiber structure (Ⅲ):the cross-blend structure
JIANG Yan;WANG Bao dong;ZHANG Ou yan;JIANG Li;O YANG Xing li
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 51-52.
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1050
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The morphological structure,blending structure and all grades fibrillar structure of the PVA SPF were studied. The cross section of the PVA SPF appears anomalous noncircular,the longitudinal surface of it is slick with some stripes and grooves. Different from other wet spinning fibers,the PVA SPF is not skin core structure and about 0 2 μm thick cuticular layer,so it is clearly all core structure. The soybean protein is dispersed phase which is distributed stochastic and even,and the polyeinyl alcohol is continuous phase in the whole blending structure. The content of the fiber's cuticular layer is polyeinyl alcohol. There are obvious macrofibril structure which diameter is about 1 μm.
Thermal property of soybean protein fibers
YANG Qing bin;YU Wei dong
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 53-55.
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1193
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The thermal property of the soybean protein fibers was analyzed by TG and DSC. The glass transition temperature and decomposition temperature are obtained. The heat resistance,heat shrinkage and limit oxygen index of the soybean protein fibers are discussed and compared with that of the wool.
Modeling the tensile properties of modal/polyurethane core spun yarn
SHI Feng jun;LIU Ping;ZHANG Ying;SHEN Xiao lai
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 56-58.
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1067
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The tensile properties of polyurethane filaments, Modal yarns and Modal/polyurethane core spun yarns were tested. The stress strain relationship of the yarns was analyzed using a nonlinear viscoelastic model. And a multinomial relationship between stress and strain was obtained.The stress_strain curves were fitted using least square method. The results show that the theoretical calculations agree well with the measured results very well.
Relation between chemical fiber cutter blade sharpness and edge radius
YUAN Yi gao;ZHU Shi gen
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 59-60.
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998
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The relation between sharpness of chemical fiber cutter blade and the radius of the edge has been investigated. The results show that edge radius of the cutter blade is the main factor affecting its sharpness. The cutter blade sharpness decreases and the force to cut fiber increases with the increase of its edge radius. Showing a linear relationship between both.
Measurement of the mechanical stinging behaviour of single wool fibers
LIU Yu qing;QI Yuan;YU Wei dong
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 61-63.
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1092
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Based on the prickle effect of protruding fibers on skin, the wool fiber needle under an axial compression was studied by using Euler's theory of thin rod buckling. The results from the axial compression and flexural tests indicate that the maximum prickle load is correlated with the morphological characteristics of wool fibers. It is significant to improve the wear behaviour of wool fabrics.
Effect of modified carboxymethyl cellulose on the waterproof and moisture permeability of the polyurethane film
XU Xu-fan
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 64-66.
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1277
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While the high-quality waterproof-permeability fabrics were produced,such additives as calcium carbonate,cellulose powder were usually added to polyurethane coating solution to improve the properties and reduced the cost of PU coated fabrics.The PU microporous membranes were prepared in mixture modified carboxymethyl cellulose.The effect of modified carboxymethyl cellulose on the waterproof-permeability films was studied by testing some properties in using PMI,SEM and permeability instrument.
Impact theory of spun-lacing to fabrics in the water-jetting spun-laced process
JIN Xiang-yu;WU Hai-bo;YIN Bao-pu
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 67-68.
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1071
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The impact theory of water-jetting spun-lacing to fabrics in the water-jetting spun-laced process was presented.The impact force of water-jetting to fabrics was analyzed and the energy formula of spun-lacing was given. The influencing factors of the impact force spun-laced to fabrics or fiber web and its spun-lacing energy were funther analyzed.
Matching of textile image based on the biggest multi-symbol information entropy
BAO Xiao-min;WANG Ya-ming;LUO Yi-ping;XU Zhou
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 69-71.
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1012
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Detecting the composing of the textile image by using machine vision technology.The matching way of textile image was researched.The entropy function is a continuous function and has extreme property.The biggest multi-symbol information entropy was applied into the detection and matching of fabric images,each point in an image was considered as a one-symbol source,the whole image was considered as multi-symbol source.The information entropy of the selected sub-image in the textile image of finished product which has the same size as the standard sub-image was calculated.If the information entropy of the selected sub-image was equal to that of the standard image,the standard sub-image was detected from the textile image,otherwise the standard sub-image was not detected.The experimental results indicate that method is efficient and practicable.
Application of computerized embroidery machine vibration based on wavelet packet
ZHAO Fu;LIN Jian-long;XIN Hong-bing;WANG Xiao-bei;MEN Gui-xiang
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 72-73.
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1278
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During computerized embroidery machine tests,in order to get the results of vibration signals of output parts working alone,vibration response of machine's taboret was seen as noise and divided from whole machine vibration signals by using frequency strap separating technology of wavelet\|packet analysis.With correlativity analysis,the correlation coefficient of de\|noised signal and noise decreased 38%.
Effect of air and fabric layers on heat loss through textile system
SUN Yu-chai;FENG Xun-wei;CHENG Zhong-hao
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 74-76.
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1019
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Theoretical equations were given to describe heat transfer process through textile system on the basis of physical laws of heat transfer.Theoretical achievements were obtained using finite element method and verified by experimental test.Influence of fabric layers,air layer between human body and fabric,air layer between fabrics on heat transfer through textile system was studied by taking into account the outer-surface temperature and the total heat loss at a certain period of time.
Subjective assessment of pressure distribution for sports underwear
XU Jun;ZHOU Qing
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 77-78.
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1124
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The subjective pressure-sense assessment had done for sports underwear with different size,types and extensibility by developing a wearing mentality experimental procedure.And factor analysis was used to analyze these data. The situation of pressure distribution in each part and ideal clothing type were discussed.
Resultant-eliminant method of mechanism synthesis and its Maple implement
LUO You-xin
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 79-81.
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1121
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The Sylvester resultant-eliminant method of mechanism synthesis was introduced.The universal programming was complied with Maple 7.0 language combining the characteristic of non-linear equations of mechanics and a uni-variable equation with four degrees is obtained and so on the symbolic solutions.A example was given and a new solution was found.
生产技术
Degumming process with environmental-protection effect for two kinds of special silk fabrics
WANG Lan;LIN Jun-xiong;YUAN Jin
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 82-84.
Abstract
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1079
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The degumming process at high temperature and pressure with environmental_protection effect for the natural yellow silk and coarse denier silk fabrics was searched.The experiments show that the degumming process in distilled water at high temperature for silk fabric is an effective and fast process which is benefit for both sericin recovery and environmental protection,based on effective degumming.The optimum process of natural yellow silk fabric is conducted at 120℃ for 30 min with the material to liquor ratio at 1∶100,the coarse denier silk fabric at 120℃ for 60 min with the material to liquor ratio at 1∶300.
Development and application of new spinning finishes for large capacity PET staple fiber
ZHOU Cun;ZHENG Guo;LIU Yan-jun;XU Jin-yun
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 85-88.
Abstract
(
1038
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New spinning finishes TDS-2000 for large capacity PET staple fiber was built from high-carbon alcohol phosphate as mainly antistatic,and ether-type or ester-type non-ionic surfactant and then was gone on several different industrial application research.The finishes were supplied with remarkable properties such as antistatic,membrance strength,gliding property,cohesion property compared with imported finishes on industrial application and performance evaluation.The results show TDS-2000 finishes meet the requirements of PET staple fiber production with good spinning ability and can take the place of the imported ones.
Alkaly deweighting of easy cationic dyeable polyester fiber
WU Jian-hua
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 89-91.
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1387
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Experiments on the alkaly deweighting of easy cationic dyeable polyester(ECDP) were introduced.Investigations on the relationship between the deweighting ratio and the concentration of NaOH,the treating temperature and time,as well as the liquor ratio were carried out.Influences of molecule weight of ECDP fiber,yarn strength,the percentage of dye exhaustion to the deweighting ratio were indicated.In the reduction of weight with base process,the deweighting ratio of ECDP fiber was higher than FDY fiber with the same concentration of NaOH,the treating temperature and time,as well as the liquor ratio.As the deweighting ratio increase,the fiber yarn strength has been lost in linear function.ECDP fibers compare to FDY fibers in the same deweighting ratio,yarn strength of it decrease quickly; ECDP fiber hydrolysis rate is quicker than common polyester fiber;The molecule weight of ECDP fiber is decrease quickly.The percentage of dye exhaustion is lower when the deweighting ratio increase.
Method of disc swirl spinning
GE Ming-qiao;GU Wen-yan;YUAN Min-fa;LI Yong-gui
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 92-94.
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(
1038
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Disc swirl spinning was put forward as a new spinning method,which included combing roller drafting device,fibers'funneled transporting device, disc fibers-converging device and swirl twisting device.Disc swirl spinning process and mechanism design were introduced,and the yarn performance was elementarily tested and analyzed.The SEM photo of disc swirl spun yarn was compared with those of air-jet spun yarn and rotor spun yarn.It was found that the appearance of disc swirl yarn is similar with that of rotor yarn while the inner structure of the disc swirl yarn is similar with that of the air-jet yarn and the yarn is wound by true twist.The breaking strength of disc swirl core spun yarn is a little lower than that of the ring core spun yarn,while breaking elongation <i>CV</i>(%) is higher.The rest performances of the two yarn are similar.
Study on sizing process of Modal/cotton blended yarn
HUANG Cui-rong
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 95-98.
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1089
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Amylum and PVA1799 were determined as the main pulp of Modal and cotton blended yarn.The best craft term of taking every pulp composition as the element were designed.The qualitative parameters of sizing yarn were tested,and the best sizing pncess of modal and cotton blended yarn was determined.
Study on the refining modification of flax
HE Jun;WU Li-li;YU Jian-yong
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 99-102.
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902
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Studied the refining technology of flax.By the refining,the property and spinning ability of flax technical fiber have been largely improved.It can be used in cotton system processing to develop superior quality and diversified flax products.
Analytic design of the equilibrium-cam for the rising and falling mechanism of the ring-rail in spinning frame
YANG Yu-ping;MO Ya-mei;WU Nu
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 103-105.
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1008
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A new method was presented to design the equilibrium cam for the rising and falling mechanism of the ring rail in spinning frame. According to the demand of rising and falling motion of the ring rail, vector analytic method was adopt to calculate the coordinate value of the cam profile directly in order to increase the precision of the equilibrium cam.
20050235
YANG Le-fang
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 106-107.
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914
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The perfomances of fabric involve durability,comfort,appearance.The requirements for these performances vary with different season. Summer clothing emphasize its comfort.So protein fabrics are widely used as summer clothing because it's important property is the comfort and permeability for air as well moisture.
Interactive color separation and replacement for color image
ZHANG Jian-hai;ZHANG Sen-lin
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 108-110.
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1038
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Design an easy and time-saving algorithm to solve the problems in color separation and replacement for color image.The application of multiple color space,especially the uniform color space,greatly reduced the possible distortion in color separation.With the least interaction,it receives clear color zone and satisfactory color replacement effect.The results show this algorithm is practical and effective.
Technology and performances of the colored cotton woven fabric treated with enzyme
TANG Zhi-rong;LI Mao-song;ZHOU Wen-long;CHEN Dong-zhi;LOU Li-qin
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 111-113.
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(
1038
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After the colored cotton woven fabric was treated with pectinases at some condition,the optimum technological parameter of cellulases treatment process was determined through the orthogonal experiment.Based on a comparative analysis of properties of the fabric treated with enzyme,it was found that the wicking performance was obviously enhanced after treatment at the optimum technological condition,and it got to the effect of traditional scouring treatment.And the treatment gets rid of the impurity covered on the surface of the cloth effectively,and increases it's soft performance.
Theory and practice of high-pressure sizing
ZHANG Chao-hui;HU Cheng-gong;WEI An-fang
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 114-115.
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1022
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Introduced the theory of high pressure sizing.By comparing high pressure sizing with normal pressure sizing in 13 tex T80/C20 warp,drawing a conclusion that high-pressure sizing is prior to the others outstandingly.
Sirofil spinning technology of the blended knitting yarn of milk protein fiber
ZHAO Bo;
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 116-117.
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1251
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The basic performances of milk regenerated protein fiber and the characteristics of sirofil spinning processes were introduced. According to practice in spinning process,some experiments on the primary processing parameters of the milk sirofil spinning yarn were carried out,and the influences of spinning factors on blended knitting yarn quality of milk regenerated protein fiber/VFR was analysed by the spinning processing.The results can be used as a reference data for improving the quality of blended milk regenerated protein fibers and developing the new products further.
分析探讨
Evaluation method of color perception
CHEN Yan;LI Dong-gao
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 118-120.
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1094
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The methods for color perception description and evaluation were studied.10 pairs of antonym were used to describe the different aspects of color sense on the basis of investigation.15 color samples were evaluated by professionals.The results showed that the discrepancy between colors perception could be given by these words and this method could be adoptedin color selection and application.The color perception was also studied by the factorial analysis process.The results of factorial analysis showed that the color perception could be divided into two main factors:material factor and perceptive factor.The aspects of color sense described by 10 pairs of antonym belong to the two main factors respectively.
生产技术
Fabric blemish detection based on attributed relational histogram
Fabric blemish detection based on attributed relational histogram
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 121-123.
Abstract
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Based on linear feature texture of fabric,achieved statistic histogram can abstract fabric characteristics perfectly.These feature waves show reliable and stable during numerous tests.With comparing wave features,abrupt or abnormal changes can be located precisely and fabric defects can be picked out correctly.To simplify identification,threshold filter should be introducd to overpass general wave and record abnormal status.Discrimination of various and complex defects can form a simple by filtering general unique texture.
Setting up of mathematical model for pattern design of upper outer garment
WU Jun;LIU Qing
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 124-126.
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1292
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Based on testing and regression analysis, developed a series of mathematical models between upper outer garment sizes and that of the detailed part.It improved the effieiency of pattern design, and laid down a technology foundation for garment intelligent production.
Exploration and ameliorative method on brassiere girdle sliding
GAN Ying jin;CHEN Dong sheng;MENG Shuang;WANG Qiang
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 127-129.
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1150
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To find out the reason why girdle always slip,taking standard human body as object,the hidden reason of this status was figured out.Some methods on structure,style,material and match of girdle and shoulder shape were provided.Focused on structure improvement,which used mechanics and analytic geometry analyses to come out the back girdle angle <i>θ</i>:parallels is 78.48°,crossnesss is 76.38°.
Exploiture of anti-static filter fabric used for the petroleum industry
SONG Lu ming;LI Chun;MU Xiao quan
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 130-132.
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1004
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Rubbing the polyester fiber and the polyamide fiber,there are two different static charges producing which are able to counteract with each other.Based on this knowledge and the contrast with other methods of anti static electricity,a new type anti static electricity filter fabric which is used in the petroleum industry is designed by the interweave process of these fibers.According to the standard of GB/T 12703—91,all of the twenty one specimens were tested by the measure in density of electric charge.And the superior project was obtained by the recursive analytic method of two equation matrixes.
综合述评
Study of draw texturing machine's control system based on PLC
YAN Lai peng;CHEN Zong nong;ZHU Xin jie
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 133-135.
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1233
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Presented a design for the draw texturing machine's control system according to the current domestic situation of draw texturing machines and relied on the all kinds of foreign draw texturing machine's control systems.The design had friend human computer interfaces to monitor the field situation,realized the high precision temperature control with the PID Fuzzy control method,realized the high precision control for motor combining PLC with closed loop control and tension monitor on line of variable frequency drives,avoid the hard border and overlapping yarn by four grades stroke modification and changing winding angle incessantly.
Control of hydrogen bonds and alcoholysis spinning of poly(vinyl acetate)
ZHU Xin sheng;DAI Li xing;WEN Di jiang;YU Shao yong
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 136-137.
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944
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The characterization and definition of intermolecular and intramolecular hydrogen bonds in PVA (poly(vinyl alcohol))were introduced. The remaining actetate and conformation as well as crystallinity in PVA were considered to affect formation of hydrogen bonds.Hydrogen bonds and crystallinity in the techniuqes of gel spinning of partially saponificated PVA and of direct alcoholysis spinning of poly(vinyl acetate)were analysed.The result shows that controlling the formation of hydrogen bonds is the key in the preparation of high tenacity and high modulus PVA fibers.
Polyblend fibers from liquid crystal polymers and polypropylene (Ⅰ): the formation of fiber structure
QIN Yi min
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 138-140.
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877
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Introduced the principles of making fibers from polymer blends,and analyzed the formation processes of the fiber structure during the production of fiber from blends of polypropylene and liquid crystal polymers(LCP).Results showed that the LCP phase structure was affected by the LCP concentration,viscosity,shear and elongational stress,size and shape of the spinneret,the use of compatible agent,etc.At high concentration and high elongational stress,the LCP phase can form micro fibers within the polypropylene fiber.
Application of small desktop VR system for 3D garment design
Application of small desktop VR system for D garment design
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 141-143.
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920
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A kind of small desktop VR system was introduced,and a set of 3D garment designing software which utilizes this VR system was also presented. This would be a new way for designing 3D garment in computer environment.
New development of tarpaulin products
GAO Zong-wen;ZHAO Jia-xiang
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 144-145.
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922
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Based on the analysis of the present development and applications, indicates that the tarpaulin products are recent development in the direction of serving diversified,huge and multi-functional applications.
科研报告
Development of levelling agent for vat dyes and cationic dyes
ZHANG Zhi guo;YIN Hong;CHEN Zhi rong
JOURNAL OF TEXTILE RESEARCH. 2005, 26(2): 146-148.
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1044
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