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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.5 P.830-834

http://doi.org/10.1631/jzus.2007.A0830


Shape memory behavior of SMPU knitted fabric


Author(s):  LIU Yan, CHUNG Aggie, HU Jinlian, LV Jing

Affiliation(s):  Institute of Textile and Clothing, The Hong Polytechnic University, Hong Kong, China

Corresponding email(s):   tcliuyan@inet.polyu.edu.hk, tchujl@inet.polyu.edu.hk

Key Words:  SMPU (shape memory polyurethane) fiber, Shape memory (SM), Bagging, Recovery


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LIU Yan, CHUNG Aggie, HU Jinlian, LV Jing. Shape memory behavior of SMPU knitted fabric[J]. Journal of Zhejiang University Science A, 2007, 8(5): 830-834.

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T1 - Shape memory behavior of SMPU knitted fabric
A1 - LIU Yan
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A0830


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.

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Reference

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[4] Hyashi, S, 1993. Properties and applications of polyurethane series shape memory polymer. Int. Prog. Urethanes, 6:90-115.

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[6] Lin, J.R., Chen, L.W., 1998a. Study on shape-memory behavior of polyether-based polyurethanes. I. Influence of the hard-segment content. Ј. Appl. Polym. Sci., 69(8):1563-1574.

[7] Lin, J.R., Chen, L.W., 1998b. Study on shape-memory Behavior of polyether-based polyurethanes. II. Influence of the hard-segment content. Ј. Appl. Polym. Sci., 69(8):1575-1586.

[8] Tobushi, H., Hara, H., Yamada, E., Hayashi, S., 1996. Thermomechanical properties in a thin film of shape memory polymer of polyurethane series. J. Smart Mater. Struct., 5(4):483-491.

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[10] Zhang, X., Li, Y., Yeung, K.W., Yao, M., 1999. Fabric bagging. Part I: subjective perception and psychophysical mechanism. Textile Res. J., 69(7):511-518.

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