| Low Temperature Dyeing and Shrinkage-Resistance Finishing of Wool by Composition of Salt-Ammonia and Enzyme Treatment |
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| 作者姓名： | 罗燕 朱若英 张健飞 滑均凯 忻浩忠 |
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| 作者单位： | [1]College of Textiles, Tianjin Polytechnic University, Tianjin 300160, China [2]Hong Kong Polytechnic University, Hong Kong 518057, China
Hong Kong Polytechnic University, Hong Kong 518057, China
Hong Kong Polytechnic University, Hong Kong 518057, China
Hong Kong Polytechnic University, Hong Kong 518057, China |
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| 摘 要： | Wool top and knitted fabric were treated with ammonia in the presence of sodium chloride （salt-ammonia process）. The effectiveness of salt-ammonia process traditionally used as pretreatment for low temperature dyeing has been investigated for conferring shrink-resistance of wool. The pretreatmont of salt-ammonia process followed by enzymatic treatment has been proved that contribute to not only the enhancement of dyeing behavionr but also shrinkage-resistance in the present studies. A novel composition of salt-ammonia pretreatment, oxidized and reduced treatment as well as protease modification was recommended to achieve low temperature dyeing and shrinkage-resistance of wool. At the same time, the process conditions were optimized by orthogonal array and assessed by dye uptake rate, weight loss and area shrinkage. Laboratory experiments showed that the knitted fabric treated according to optimized conditions of the combined process, achieved not only improvement of dye abilities but also the strict requirement of machine-washable, representing a possible alternative to chlorination.
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| 关 键 词： | 染色性 染色程序 酶 染色剂 |
| 文章编号： | 1672-5220（2007）02-0192-05 |
| 修稿时间： | 2006-09-28 |
Low Temperature Dyeing and Shrinkage-Resistance Finishing of Wool by Composition of Salt-Ammonia and Enzyme Treatment |
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| LUO Yan,ZHU Ruo-ying,ZHANG Jian-fei,HUA Jun-kai,XIN John.Low Temperature Dyeing and Shrinkage-Resistance Finishing of Wool by Composition of Salt-Ammonia and Enzyme Treatment[J].Journal of Donghua University,2007,24(2):192-196. |
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| Authors: | LUO Yan ZHU Ruo-ying ZHANG Jian-fei HUA Jun-kai XIN John |
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| Institution: | 1. College of Textiles, Tianjin Polytechnic University, Tianjin 300160, China
2. Hong Kong Polytechnic University, Hong Kong 518057, China |
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| Abstract: | Wool top and knitted fabric were treated with ammonia in the presence of sodium chloride (salt-ammonia process ). The effectiveness of salt-ammonia process traditionally used as pretreatment for low temperature dyeing has been investigated for conferring shrink-resistance of wool. The pretreatment of salt-ammonia process followed by enzymatic treatment has been proved that contribute to not only the enhancement of dyeing behaviour but also shrinkage-resistance in the present studies. A novel eomposition of salt-ammonia pretreatment, oxidized and reduced treatment as well as protease modifieation was recommended to achieve low temperature dyeing and shrinkage-resistance of wool. At the same time, the process conditions were optimized by orthogonal array and assessed by dye uptake rate, weight loss and area shrinkage.Laboratory experiments showed that the knitted fabric treated according to optimized conditions of the combined process, achieved not only improvement of dye abilities but also the strict requirement of machine-washable, representing a possible alternative to chlorination. |
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| Keywords: | salt-ammonia process enzyme shrinkage behaviour dyeing properties |
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