纺织学报 ›› 2012, Vol. 33 ›› Issue (5): 50-55.

• 纺织工程 • 上一篇    下一篇

活化方法对废旧涤/棉混纺织物回收利用的影响

燕敬雪1,2,张瑞云1,2   

    1.  东华大学纺织面料技术教育部重点实验室
    2.  东华大学纺织学院
  • 收稿日期:2011-05-23 修回日期:2012-02-06 出版日期:2012-05-15 发布日期:2012-05-15
  • 通讯作者: 张瑞云 E-mail:ryzhang@dhu.edu.cn

Influence of activation methods on waste cotton-polyester fabric recycling

 YAN  Jing-Xue1,2, ZHANG  Rui-Yun1,2   

    1. Key Laboratory of Textile Science & Technology, Education, Donghua University
    2.  College of Textiles, Donghua University
  • Received:2011-05-23 Revised:2012-02-06 Online:2012-05-15 Published:2012-05-15
  • Contact: ZHANG Rui-Yun E-mail:ryzhang@dhu.edu.cn

摘要: 为了更好的溶解废旧涤棉混纺织物中的含棉成分,论文采用四种活化方法对废旧涤棉混纺织物进行活化并在四种活化方法中寻找最适合的活化方法,其原则是应尽量减少对涤纶各方面的影响和增加棉纤维素的溶解度。通过研究四种活化方法对废旧涤棉混纺织物中涤纶的质量、拉伸性能、化学结构的影响,发现氢氧化钠和氢氧化钠+超声波对涤纶各方面的的影响较小,可用于活化废旧涤棉混纺织物;然后研究此两种活化方法对棉纤维素结构和溶解性的影响,发现氢氧化钠+超声波活化方法最适合用来活化废旧涤棉混纺织物。

关键词: 废旧涤∕棉混纺织物 , 活化 , 结构 , 溶解性

Abstract: In order to better resolve cotton component from the waste cotton-polyester blended fabrics, the paper adopted four different activation methods, including sodium hydroxide、sodium hydroxide & ultrasonic、ethylenediamine and ethylenediamine & ultrasonic, to activate the blended fabrics and gain the optimize basing on minimizing the impact on polyester and maximizing the solubility of cotton cellulose. Researching the impacts of four different activation methods on mass、mechanical properties and chemical structures of waste cotton-polyester blended fabrics, the results revealed that the sodium hydroxide、sodium hydroxide and ultrasonic have less effect on polyester, and can be used to activate the waste cotton-polyester blend fabrics. The influences of the two methods above on molecular structure and solubility of cotton fibers showed that sodium hydroxide & ultrasonic is the best suitable way to activate the waste cotton-polyester blended fabrics.

Key words: waste cotton-polyester , activation , structure , solubility

中图分类号: 

  • TS 102.9
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