纺织学报 ›› 2010, Vol. 31 ›› Issue (6): 106-109.

• 染整与化学品 • 上一篇    下一篇

形状记忆整理织物的微拉伸增强探析

刘晓霞   

  1. 上海工程技术大学服装学院
  • 收稿日期:2009-04-27 修回日期:2010-02-11 出版日期:2010-06-15 发布日期:2010-06-15
  • 通讯作者: 刘晓霞

Micro-stretching improvement of fabrics finished by shape memory polymer

LIU Xiaoxia   

  1. Fashion College, Shanghai University of Engineering Science
  • Received:2009-04-27 Revised:2010-02-11 Online:2010-06-15 Published:2010-06-15
  • Contact: LIU Xiaoxia

摘要:

采用拉伸停顿和循环拉伸2种微拉伸的方式,提高棉织物在形状记忆整理前后的纬向断裂强力。研究发现:在一定的伸长率下对织物进行拉伸停顿或循环拉伸,可提高断裂强力;伸长率越大,达到最大断裂强力时的拉伸停顿时间越短,拉伸循环次数越少。采用二因子五水平正交试验的方法对织物进行拉伸停顿强力试验,分析拉伸参数与增强效果。研究结果表明:未整理织物在4%伸长率下保持3 min后,断裂强力最高,提高了31.9%; 整理织物在4%伸长率下保持2min后,断裂强力最高,提高了42.1%。

Abstract:

weft strength of cotton fabrics after and before shape memory finishing was improved by two means of micro-stretching, i. e., stretch-stop and cyclic stretch (cyclic tension loads). Experimental results showed that the breaking strength of fabric can be enhanced when stretch-stop or cyclic stretch is applied to it under a certain stretching rate. The higher the stretching rate, the shorter the pause time needed for reaching the maximum breaking strength, and the less the cyclic times. Two-factor five-level orthogonal test method was used to test the strength of fabrics by stretch-stop, and the tensile parameters and strength improvement were analyzed. The results showed that for the unfinished fabrics, the maximum breaking strength (enhanced by 31.9%) was obtained by using stretch-stop with stretching rate of 4% and then pause for 3 minutes, while in the case of finished fabrics, with the same stretching rate the maximum breaking strength (enhanced by 42.1%) was obtained at a pause of 2 minutes.

中图分类号: 

  • TS195
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