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ZJUS-A
Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2007, Vol. 8 Issue (5): 830-834    DOI: 10.1631/jzus.2007.A0830
Mechanical Engineering and Materials Science     
Shape memory behavior of SMPU knitted fabric
LIU Yan, CHUNG Aggie, HU Jinlian, LV Jing
Institute of Textile and Clothing, The Hong Polytechnic University, Hong Kong, China
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Abstract  A preliminary investigation of shape memory (SM) effects of SMPU (shape memory polyurethane) knitting fabric is presented in this paper. Three SMPU knitted fabrics series with different content of SMPU fibers: 100% SMPU, 50% SMPU and 50% cotton, 16% SMPU and 84% cotton are designed and manufactured in our lab. Their shape memory behaviors at different temperatures are characterized in terms of bagging. Our experimental results showed that shape memory effect can be improved with increasing content of SMPU fibers. A comparison between Lycra and SMPU knitted fabrics was also made to validate the shape memory effects of SMPU knitted fabrics.

Key words： SMPU (shape memory polyurethane) fiber      Shape memory (SM)      Bagging      Recovery     
Received: 19 October 2006     
CLC:  TQ343.2  
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LIU Yan
CHUNG Aggie
HU Jinlian
LV Jing
Cite this article:

LIU Yan, CHUNG Aggie, HU Jinlian, LV Jing. Shape memory behavior of SMPU knitted fabric. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2007, 8(5): 830-834.

URL:

http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2007.A0830     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2007/V8/I5/830

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