how textiles wear

the authors show sem evidence of fiber failure due to tensile, twist, and flex stresses and by wear during use. the authors illustrate the failures with cotton, wool, and polyester fibers. a study is made of four types of fiber failure: type 2 is ductile crack propagation, in which a crack opening forms a v-notch. type 3 occurs at high ra..

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fabric reinforcements for rubber

weftless rayon fabric became the first to successfully compete with cotton as rubber products reinforcement. rayon's high strength and continuous filament yarn construction resulted in its evolution as the preferred choice by the mid-1940s. nylon, invented in 1938 by dupont, was first introduced into tires during the mid-1940s. around 197..

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effect of media design on the performance of cotton fabric desizing and scouring wastewater treatment in upflow anaerobic filters

cotton and cotton blend fabric plants produce high volumes of wastewater relatively low in organic load. the usual method of wastewater treatment is a combination of an aerobic and chemical system. by segregating and treating this warm stream by anaerobic filters the total treatment cost could be drastically reduced wastewater from such p..

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experimental study of the recovery of hard textile wastes

the paper examines the technique and the machinery currently employed for recovering the so-called hard textile wastes, which come from fabric cuttings in making-up or from used clothing and are composed of cotton or man-made fibres or both. the main object of the study concerns the measurements of the parameters that affect the final res..

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studies on the temperature dependence of extinction oxygen index values for cellulosic fabrics. iii. comparison with limiting oxygen index for commercial flame-retarded cotton

limiting oxygen index values of single and multilayer proban cc- and pyrovatex cp-flame retardant finished cotton fabrics having a variety of area densities were determined as a function of igniter application time and temperatures up to 200 $degree$ c. except for the lightweight (140 g m** $minus$ **3) proban cc-treated fabrics, loi, lik..

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assessment of the effects of treatment, time, and heat on the removal of erasable pen marks from cotton and cotton/polyester blend fabrics

this study investigated the removal of marks made by 'erasable' marking pens on cotton and cotton/polyester fabrics. data obtained from color difference measurements were analyzed using analysis-of-variance (anova) procedures. results indicated that removal of pen marks was easier from the cotton/polyester fabrics than from the 100 cotton..

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factors affecting defects in 1 $multiplied by$ 1 rib knitted fabrics due to weaver's knots of spun yarns

the effect of some factors on defects in 1 $multiplied by$ 1 rib knitted fabrics due to weaver's knots is investigated experimentally, using a combed cotton yarn and a worsted yarn. the knitting defects due to the knots are caused by end breakages in the 1 $multiplied by$ 1 rib knitting zone which almost lead to holes in knitted fabrics. ..

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vacuum extraction of caustic soda solution from fabrics containing cotton: impact on mercerization

the vacuum extraction of aqueous naoh solutions from fabrics containing cotton was studied on a laboratory scale. removing the naoh solution by vacuum was less effective than water removal because of the chemical combination of naoh with the cellulose and the greater water retention of the swollen cotton fibers. because cotton preferentia..

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noise absorption by a combination of woven and nonwoven fabrics

the objective of the research reported in this note was to investigate the noise absorption by combinations of several layers of nonwoven fiber webs of high noise absorption coefficients and a layer of woven fabric of high noise reflection coefficient. the measured sound absorption coefficients, in the audible frequency range, of such com..

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sound absorbing double curtains from local textile materials

a new sample made of local textile material (100 cotton) (misr spinning and weaving company, mehalla el kubra) is produced from a specially woven structure which possesses high porosity for use as a sound absorbing curtain. a double-layered curtain was designed for high efficiency, not only in sound absorption, but also light insulation. ..

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