Recycling cotton from cotton/polyester fabrics

Recycling of cotton (or rayon) cellulose as lyocell fibers is proposed based on the selective solubility of cellulose in organic N-oxides and the selective hydrolysis of polyesters in NaOH solutions. In the first step, the cotton component of a fabric made of 50/50 cotton/polyethylene terephthalate was separated from the polyester by basi..

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Process control in weaving - vision or reality?

This article discusses process control in weaving and how standards are becoming tighter as equipment becomes more advanced. It describes some of the solutions currently being used and developed to secure process reliability and control in weaving. It is concluded that process control has become part of everyday weaving and its degree of ..

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Optimised chlorine-free bleaching systems for jute and jute/cotton blend fabrics

A sequential two-stage bleaching process using peracetic acid followed by hydrogen peroxide has been developed specifically for jute and jute/cotton blend fabrics. A peracetic acid system is optimised for jute by the selection of suitable buffering and stabilising agents. A superior bleaching effect is obtained by using TSPP as a stabilis..

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Breakages in knitting as a result of yarn defects (Russian)

Yarn breakages resulting from yarn defects are determined during trials on a circular knitting machine. The probability of breakages is examined as a function of yarn faults per unit time at different yarn speeds and the number of loop-forming systems. The break-free operating times are determined for different knitting conditions.

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Ways of reducing static electricity in the warping of nylon filament yarns (Polish)

Methods of neutralizing static charges in the warping of nylon filament yarns are discussed. The Textima 4126 warping machine is used in the investigations.

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ITS-charts: warping machines

This article contains tables which describe the properties of several different types of warping machines in detail. The machines covered are made by the following companies: Benninger AG; McCoy-Ellison, Inc.; Karl Mayer; Kawamoto System Corp.; Reed-Chatwood Inc.; Inventex; Sucker Muller Hacoba; Suzuki Warper Ltd; Tsudakoma Corp.; and wes..

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Effects of sled velocity on fabric friction

The influence of velocity of sliding on some new frictional parameters of weft pile fabrics is reported. The frictional amplitude diminished as the velocity of motion increased. The kinetic frictional resistance also diminished initially, and then increased as the velocity of sliding increased. The initial decrease in resistance to motion..

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Carboxymethylated Cotton Fabric for Pesticide-Protective Work Clothing.

Research to develop pesticide protective clothing carboxymethylated cotton shirt weight print fabrc with a pad-roll technology. Iodine sorption capacity and water retention characterized chemical accessibility. Values for modified cotton were significantly higher than those for untreated and mercerized control samples. Radio labeled methy..

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보습기능을 높힌 순면 니트 생지

일본의 제일방은 순면 니트 생지의 보습기능을 높히는 가공을 개발하여 케아네쥬라는 브랜드로 상품화하여 유아, 아동복 및 숙녀복의 중심소재로서 기대하고 있다. 동가공은 콜라겐과 라놀린을 생지에 부착시키는 것으로 콜라겐은 피부진피의 대부분을 차지하고 있는 섬유상 단백질을 총칭하는 것으로 이것이 부착된 생지는 건조시 수분을 잘 흡수하지 않기 때문에 ..

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형상기억 투습방수제품 [아제쿠라]

최근 개발된 쾌적소재 아제쿠라는 투습제어 기능을 갖는 형상기억 폴리머(미쯔비시 중공업이 개발), 코팅 기술(소송정련) 및 텍스타일기술(도레이)이 결합되어 탄생된 새로운 개념의 소재로서 주목을 받고 있다. 아제쿠라는 피부에 접촉하는 직물면에 형상기억 폴리머를 코팅함으로서, 의복내 온도가 상승하면 폴리머 분자 간 간격이 넓어져 땀이 외부로 발산되며, ..

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