Table of Content

15 August 2011, Volume 32 Issue 8

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Structure and Properties of Electrospun Ornithoctonus huwenna spider silk protein/silk compound fiber

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  1-6. 

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spidroin / silk composite nano-fibers were obtained by electrospinning with the mixed solution of Ornithoctonus huwenna spider silk / 1,1,1,3,3,3,-hexafluoro-2-propanol (HFIP) and silk / HFIP. The morphology, molecular conformations, crystallinity degree and mechanical property of the electrospun fibers were investigated by means of SEM, FT-IR, XRD and tensile test. The results indicated that spider silk protein attenuated the fiber diameter and enhanced the mechanical property of the electrospun silk fibers. The diameter of electrospun silk fibers were coarse, while with the addition of spider silk protein, the diameter of the silk / spidroin composite fibers decreased significantly, the number of fibers with diameters ＜300nm increased. The mechanical property of the electrospun fiber mat was improved by adding a certain amount of spider silk protein in the silk / HFIP solution. The FT-IR and XRD analysis showed that the content of spidroin have no regular affaction of conformation.

Structure and Properties of Poly(lactide-co-glycolide) Ultrafine Fibers Adjusted and Controlled By Multi-walled Carbon Nanotubes

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  7-11. 

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In this study, MWNTs/PLGA ultrafine fibers were prepared by electrospinning. The surface morphology, thermal properties, mechanical properties of the fibers and the dispersion and orientation of MWNTs were examined by field emission scanning electron microscope, Differential Scanning Calorimetry, Thermogravimetry Analyzer, multi-purpose tensile tester and transmission electron microscopy. The results show that the fiber diameter decrease and the thermal stability improve significantly with the addition of MWNTs. When MWNTs content is 0.5%, the dispersion, orientation and reinforced effect of MWNTs in fibers could be optimum.

Photocatalysis and Mechanical Properties Analysis of PVAc/SnO2 Hybrid Nanofiber

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  12-16. 

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Hybrid nanofibers were fabricated by electrospinning a mixture of PVAc and Sn(OH)4 hydrosol (or mixed 1% TiO2 doping)in methanol/ethanol cosolvent. Light-catalyzed properties of different samples were analyzed through the degradation of methylene blue under UV-light. The morphology and Mechanical properties of the hybrid nanofiber and fibrous membrane were characterized by Scanning Electronic Microscope (SEM) and atomic force microscopy(AFM), respectively. Transmission electron microscope(TEM) were measured to assess the structure of the nanofibers. The study revealed that the photocatalytic activity of PVAc/SnO2 nanofibers were improved according the more SnO2 content in them. Especially when SnO2 content reached 30%, the degradation rate can be more than 95%.At the same time, the photocatalytic property also benefited from 1% TiO2 doping. After photocatalysis, the morphology of nanofibers were retained well, and the modulus of single nanofiber was decreased while the mechanical properties of fibrous membrane were increased.

The Morphological of Nanofiber and The Process in Needless Electrospinning

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  17-20. 

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This study use the Polyvinyl Alcohol to make the nanofiber mat by Non-syringe electrospinning process, we can find the result of different fiber’s diameters on different distance from spin roller to electrode plate. The average diameter is 165 nm (SD. is 49 nm) on 12 cm of the distance from spin roller to electrode plate, another; the average diameter is 219 nm (SD. is 62 nm) on 14 cm and the average diameter is 141 nm (SD. is 40 nm) on 16 cm collection distance. Besides; the bead-on-string structure is not obtained and PVA nanofiber distribute uniformly on the nanofiber mat.

The preparation and characteristics of TiO_2/ACF photocatalytic material

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  21-24. 

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TiO_2/ACF photocatalytic materials were prepared by the process including viscose-based nonwoven dipping in TiO_2 sol and drying, phosphoric acid activation, and calcining. The elements, crystalline structure, and surface morphology of samples were characterized by EDAX, XRD and SEM, respectively. In addition, the photocatalytic degradation of methylene blue in aqueous solution was used as a probe reaction to evaluate their photocatalytic activities. The result indicated that TiO_2 with anatase and rutile mixed-crystal phase was immobilized on the samples. Some holes were observed on the surface of the samples. TiO_2/ACF photocatalytic materials owned the excellent potocatalytic degradation performance under the light source of the UV lamp 20w. For the TiO_2/ACF material obtained by calcining at 500℃, the decoloration efficiency of methylene blue could reach 98.83%.

Study on Influences of Sodium Thiosulfate on Electroless Sliver Plating on PET Fabrics

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  25-29. 

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The influences of stabilizing agent sodium thiosulfate on the stability of plating solution, surface morphology, chemical composition, crystal structure, deposition rate, surface resistance and electromagnetic interference shielding effectiveness (EMI SE) were investigated. The results reveal that the stability of plating solution was significantly improved with addition of sodium thiosulfate. But high concentration of sodium thiosulfate leads to deposit tended to loose. The crystalline structure of silver in deposit is face centered cubic structure. The crystallite size is decreasing with increasing concentration of sodium thiosulfate. The deposition rate decrease with the addition of sodium thiosulfate. However, the sensitivity on temperature of deposition rate increase with the presence of sodium thiosulfate. The deposition rate greatly decrease when the concentration of sodium thiosulfate high than 0.6mg/L. Surface resistance and electromagnetic interference shielding effectiveness had no significantly difference when the concentration of sodium thiosulfate less than 0.4mg/L.

The Dissolving & Solution Property of Cotton Component from Waste Cotton-Polyester Blended Fabric in NMMO Solvent

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  30-37. 

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The study of this paper is about the dissolving and recycling of cotton component from waste cotton-polyester blended fabric via NMMO solvent. To study the affecting effects of polyester when dissolved in NMMO solvent, compared with some factors, including dissolving temperature, dissolving time and antioxidants supplements, there is no effect on the weight and molecule structure of polyester. The dissolving properties of cotton component in the waste polyester/cotton blended fabric which were dissolved 1.5h under 85℃ via NMMO solvent were investigated later, after the polyester filtrated, the property of the cellulose solution was characterized by the image of polarizing microscope, refractive index, rheological behavior to study the spinnability. The study found the solution of high degree of polymerization but low cellulose content also shows good spinnability.

A study on the bending property of textured yarn

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  38-40. 

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The use and further developing of air-textured yarn in daily textiles, especially in costume was restricted mainly by its high valued bending stiffness. The results from cantilever measuring proved that the air-textured yarn was 2 times harder than classic yarn of similar linear density, such as cotton or woolen yarn. The entanglement structure from the disordering of the fiber alignment served the stiff performance to the yarn, at the same time, it could be classified by entanglement degree. Optimization of the air-texturing parameters could fulfill an adjustment in relative small scope, while the multi-texturing would work more efficient by adjusting the value of entanglement degree. It had been proved that, the differential shrinking could cut down the bending stiffness of the air-textured yarn remarkable in case of the differential shrinkage was bigger than 10%.

Research on the properties of blended fabrics with PTT/PLA/Rayon fibers

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  41-45. 

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To study the properties of blended fabrics with PTT/PLA/Rayon fibers, this paper, firstly, compared the properties which including strength and hairiness of the ten different kinds of yarns which blended with different contents of PTT, PLA and rayon fibers. Secondly, tested and analyzed the properties of the ten fabrics which corresponding to the ten yarns, which including color fastness to dry rubbing and wet rubbing, anti-fuzzing and pilling property, recovery from creasing and moisture vapor transmission. Finally, probed into the influence of the three fibers on the properties of the fabrics, and found the optimal blending ratio among the fibers, in order to get the best wearability of the fabrics. The results showed that the fabrics had the best wearability when the contents of PTT fibers were 40%, PLA fibers were 15%-30% and the rayon were 30%-45%.

Projection pursuit regression model for prediction of air permeability of woven fabrics

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  46-49. 

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To solve the problem about the nonlinear model of the prediction of woven fabric permeability,the total tightness, thickness, and weight per square meter and average float were selected as prediction factors of woven fabric permeability,and the projection pursuit regression (PPR) model for prediction of air permeability of woven fabrics was established.the fitted values of tested samples and the predicted values of trained samples were analyzed by the means and standard deviations of relative error as the indicators and were compared with the results of BP neural network and multiple linear regression model. The results showed that the PPR model fitting and prediction accuracy was better than that of BP neural network and multiple linear regression model. In the case of less trained samples, PPR model still had relatively high prediction accuracy and good generalization ability, and could provide a novel approach to predict woven fabric permeability.

Edge Design on Multi bar-Raschel Lace

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  50-56. 

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Edge design on multi-Raschel lace is the key part of the design ,it directly affects the overall aesthetic of lace, through a large number of multi-raschel lace design for how to design a beautifully practical edge, had presented unique design method. By analyzing the characteristics of patterns, discussed in detail independence pattern design and Continuous pattern design two methods, and the composition of elements, design skill and how to implement technology under this method. At the same time systematically generalized the combination of the common structure, and in-depth study of the impact of lace design constraints and the formation of solutions to help improve the overall design of multi-Raschel lace .

Research on health monitor for three-dimensional braided composite material products condition based on FBG

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  57-61. 

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This paper describes the method of Fiber Bragg Grating(FBG)embedded in the three-dimensional(3-D) braded composite materials and provides the method of health monitor for 3-D braided composite materials condition. The paper analyses the relations of FBG change and the inner straining under the stretching on materials. It is provided that the way of signal collection and processing. The experimental results proved that FBG sensors have exceptional sense characteristic. The braided angle of composites has a little influence on FBG signal. FBG embedded in the 3-D braided composite materials has not more effect mechanical property of materials. This research provides basis for the study and application of advanced intelligent composites.

Tea dyeing of cotton fibers with different mordanting agent

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  62-66. 

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The aqueous tea solution extracted from green tea was used to dye cotton fibers by post-mordanting method with tannic acid, Zn(CH3COOH)2, and KAl(SO4)2 as mordanting agents. The effect of pH value of dye bath and mordant concentration on the dyeing of fibers were analyzed. The transmittance decrease percentage of liquor was also tested after dipping the dyed fibers with a certain time. TM-1000 was used to analyze the microstructure of fiber samples. In addition, the strength of fibers before and after dyeing were also tested. The results showed that the K/S value was the maximum but the color fastness was inferior when dyed with Zn(CH3COOH)2 as a mordanting agent. The characteristic groove structure was clearly seen in the surface of tannic acid dyed cotton fibers. Insoluble complex was deposited on the surface of Zn2+ and Al3+ dyed fibers. In comparison with the cotton fibers before dyeing, the strength decreased especially dyed in acid condition, and elongation increased for the dyed fibers.

Study on Light aging of madder on silk

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  67-71. 

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To simulate the natural light-aging process of the madder on silk cultural relics, a series of systematic tests were carried out. Fluorescent UV lamp、halogen lamp and white LED were chosen in the light aging experiments. Three kinds of fading curves were gained in different irradiation of lamps, and HPLC was used to analyze the internal mechanism of the light aging of madder. The results showed that madder was destroyed seriously in the irradiation of UV light; madder faded a little slowly in the irradiation of halogen lamp than LED lamp. Purpurin was the main coloring matter in madder from Shaanxi, and the change of its area of peak in HPLC can well reflect the degree of light aging.

Study on the Dyeing Performance of Natural Dyes──Acutissima Shell on Wool Fabrics

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  72-75. 

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Wool fabrics dyed with natural dyes──acutissima shell are studied. Four metal ions are selected. Three different mordant dyeing methods are used and dyeing experiments with different additives are carried out. The results indicated that the fabrics colour is varied with metal ions and mordant dyeing methods. The fabrics used with pre-mordant dyeing method have greater value of colour and better colour fastness. The colour shade is varied with the additive concentration ratio and the fastness could commonly achieve to grade 3. The IR analyses showed that when wool fabrics are mordant dyed, the metal ions may be coordinated with S-O bond, carboxyl, amide, etc. in wool to form coordination bond. The fabrics colour fastness is improved.

The Stability and Mordant Dyeing on Silk Fabrics of Natural Dye Mulberry Sorosis

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  76-80. 

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Proper dyeing parameters and mordant dyeing process are required to improve the superficial color depth on silk fabrics and color fastness of the natural dye mulberry sorosis, and maximize its color performance, A study is therefore performed on this paper to discuss the stability of the natural dye mulberry sorosis and its mordant dyeing effect on silk fabrics through the testing on the absorption spectra of mulberry sorosis dye solutions, the superficial depth(K/S、ΔE*) and the dyeing fastness of the dyed silk fabrics. The experiments show that natural dye mulberry sorosis has satisfactory color feature under pH 4 and 80℃. The mordant dyeing, especially the post-mordanting dyeing can greatly improve the performance on both the dyeing depth and the color fastness of silk fabrics dyed of the natural dye mulberry sorosis.

The effect of microcapsulation morphology on the pigment printing results of cotton fabric

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  81-86. 

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A series of organic pigment microcapsulations prepared by miniemulsion polymerization or microsuspension polymerization were applied into pigment printing of cotton fabric. The morphology of microcapsulation and printed cotton surface was observed by DLS, OM, TEM SEM. The effect of microcapsulation morphology on the printing results was investigated in order to understand the film-formation process of microcapsulation. It was found that the pigment particles of nanometer level microcapsulation can be homogeneously and firmly adhered in the thin adhesive layer of the whole fiber surface, attributing to its small particles size and its self-adhesive polymer wall. Thus its K/S value, handle, dry and wet fastness were better than those of the traditional printed fabric and the fabric printed by micrometer level microcapsulation. For micrometer level microcapsulation, numbers of pigment particles in it can’t migrate with the viscous flow of adhesive polymer. Thus a lot of pigment accumulation and discrete adhesive layer can be observed on the surface of yarn. In conclusion, the microcapsulation morphology as well as the spreadability of pigment particles during film curing process takes an important effect on the print quality of cotton fabric. Only the pigment microcapsulation in a small scale is availiable to improve the dispersion of pigment particles on fabric surface and simultaneously the binding force of pigment particles with fabric.

Study about the Modification of Cotton Fabrics with Sericin Protein

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  87-91. 

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A new modification agent was synthesis using epoxy chloropropane and sericin protein by totally substituting reaction，The modification emulsion was prepared and was applied to the modification of cotton fabrics．and some properties of the fabrics are measured．The results show that the reaction between modification agent and hydroxyl groups of the cotton，and them fixed on the cotton fabrics，the brightness and capillary effect of the cotton changed little after treated with the modification agent．

Study on grafting of cotton fabric with β-Cyclodextrin Prepolymer

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  92-97. 

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In order to bring some special factions to cotton fabric, soluble β-cyclodextrin prepolymer (β-CDP) was prepared in an alkaline medium. It was grafted onto cotton fiber by citric acid （CA）as a crosslinking agent and sodiun hypophosphite （SHP）as a catalysts at the temperature of 160~180℃. The effects of factors such as concentration of CA, β-CDP and SHP, curing temperature and time on the properties of finished fabric were studied. The optimum conditions were β-CDP 30g/L, CA 50g/L, SHP 30g/L, cured at 180℃ for 2.5min. The results showed the ability of finished cotton fabric to include and release fragrance was improved, the whiteness and breaking strength were also improved slightly.

Security of nano-functional textiles during application

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  98-101. 

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To investigate the security of nano-functional textiles during dressing, select the functional fabrics finished with nano ZnO and nano TiO2 , the morphologies and elements of the fibers were observed by scanning electron microscop(SEM) and energy dispersive spectrum ( EDS), laser grain size analyze and inductively coupled plasma-mass spectrometry （ICP-MS ）were applied to the identifycation of the exeract solutions at synthetic perspiration /water washing. The results showed that irregular particles dispersed on the surface of fibers , range from nm to um, EDS show they were Zn and Ti; synthetic perspiration /water washing could lead to the dissolution of nano ZnO and nano TiO2, but the particle sizes in exeract solutions were um.

Analysis on the three-dimensional constitution techniques of fabrics in dress design

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  102-106. 

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The dress shape looks like a three-dimensional sculpture. Using the three-dimensional constitution techniques of fabrics ingeniously to carry on the different style based on the premise which is suit for the human body, is the perfect union of fashion & innovation and forms dress mode characteristically. In the dress design, Using the three-dimensional constitution techniques to perform the “meaning” and “form” of the basic modeling element spot, line and surface is the main method, which is carried on the overall silhouette or the partial shape to display the spatial three-dimensional of clothing. The dress designer should utilize the three-dimensional constitution techniques ingeniously to unfold the dress three-dimensional beauty and the clothing noble grace.

Segmentation Modeling Technology Application in Knitted Garments

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  107-111. 

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Segmentation in the knitted garments in a variety of forms both form and can play the role of decoration and shape segmentation. As the knitted garments are easy to loose off the characteristics of the application has been split line is knitwear taboo, but can take advantage of unique knitted fabric structure and fabric characteristics of the coil to achieve segmentation knitwear design, knitwear made more colorful. This paper systematically elaborated segmentation types, principles of segmentation modeling techniques, segmentation in the application of knitted apparel to make separate categories of knitted garment on the design, production of a certain reference. Master the split in the application of knitted apparel, knitted garments will help the actual changes in flexibility, in the hope to improve the segmentation method used in the efficacy of knitted apparel.

Analysis of influencing factors on cowl collar’s modeling

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  112-116. 

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Cowl collar is changeable and widely used in the fashion. Its modeling has close relations with many factors. Five kinds of fabrics with different properties were used in the experiment, their physical properties such as thickness, drape, weight and flexural rigidity were respectively measured. In structure design, with different slashing amount for reference, one-piece cowl collar without plait in shoulder were made of different fabrics, and then related drape data were measured. According to fabric performance, slashing amount and drape data, then the influence of fabric performance and structure parameters on cowl collar’s modeling were analyzed.

Analysis and design of winding tension for hoop winding on rigid cylinder

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  122-127. 

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The tension distribution in winding layer hoop wound on a rigid cylinder are investigated by considering the relaxation of winding tension in inner layer induced by the hoop tension in outer layer using three dimensional isotropic constitutive relationship. The relationship between winding tension and residual tension distribution is built, and a differential equation to determine the residual tension distribution formed by the specified winding tension strategy, and winding tension strategy to obtain the specified winding distribution are presented. The tension distribution formed by constant tension winding, constant torque winding and cone tension winding strategy are yielded respectively. Analytical expressions of the winding tension strategies leading to uniform residual tension distribution and zero tension when rigid cylinder is removed, and the winding tension leading to uniform radial strain are given. Comparing with the references, the relaxation analysis in this paper is more reasonable and some applications in residual winding tension analysis and winding tension design for hoop winding on rigid mandril are illustrated.

Noise Estimation and Filter Design of Rapier Loom’s Tension Control

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  128-132. 

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Noise processing with classification method is brought out based on analysis on noise source and characteristics in rapier loom’s tension control. Analog low-pass filer design method to high-frequency noise and random noise is analysis based on definition of difficult control degree. Method of Frequency spectrum used to obtain period and coherent mean method used to obtain periodicity noise are designed to compensate periodicity low-frequency noise and improve control system’s performance. Analysis and design method’s effectiveness are verified based on simulation of matlab’s programming and simulink and as a basis of actual rapier loom’s tension control filter and controller design.

The Application of Microwave Dry Technics in the Drying of Cheese

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  133-135. 

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The microwave dryer is a potential new dryer technology, which has the excellence such as high efficiency, dryness uniformity and so on. In this paper, the researcher made a microwave dryer by themselves and studied the microwave regularities of distribution; The microwave dryer was used to dry different cheese to research the capacity of microwave dryer and the feasibility of the new dry technology, which will provide research foundation for the industrial application of microwave dryer in the textile & dyeing industry.

Measurement Methods of Shape Factor of Y-shaped Fiber

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  136-141. 

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Measurement methods of shape factor of Y-shaped fiber were presented in this paper. Focusing on the problem of fast and accurately measuring the shape factor of Y-shaped fiber which cross-section image border is not closed, the three-point method for measuring shape factor of Y-shaped fiber was proposed to improve the existing measurement methods. The method presented in this paper was more accurate and efficient for measuring the characteristic parameters of profiled fiber cross-section, and expanded the scope of measurement parameters. A comprehensive basis of reference and evaluation for manufacture of Y-shaped fiber was provided. The measurement results indicated that the method described by this paper has good practical application.

Establishment of Enhanced Matrix Feature Model for Fabric Image

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  142-146. 

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Aiming at the present situation of lacking of mature model for fabric feature and not better recognition effect, this paper proposes a new feature model of fabric image, called as “enhanced matrix feature model”. Firstly, this model introduces a new enhanced matrix based on image gray. Secondly, this matrix is made of matrix operators generated by gradient variation of fabric image, which can do transform calculation for pixel value to amply or reduce local characteristic of image to make image feature obvious. Finally, we compile some program to verify this model using MATLAB7.0, and we find this model is suitable for defect feature recognition of fabric and recognition effect is better. With this model, feature change in defect regions is enhanced obviously. Therefore, a new theoretical basis of defect recognition of fabric is provided in this paper.

Evolution of Clothing Culture Mental Model In 30 Years of Chinese Reform and Opening Up

JOURNAL OF TEXTILE RESEARCH. 2011, 32(8):  147-150. 

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Reform and opening up,promoting a profound change in china s clothing culture in 3000 years.This is mental model change in clothing culture.China has basically realized two evolution of clothing culture mental model.From identity to body, then from body to personality, chinese clothing cultural psychology into the modern.This means the weakening of group norms and awakening of the body,more importantly,the expression of personality.This marked the beginning of chinese modern clothing culture.’’★。’