Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/71367
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Title: Analysis of the differences between ordinary polyuretbanes and shape memory polyurethanes
Other Title: 形状记忆聚氨酯与普通聚氨酯的区别
Authors: Ding, XM 
Hu, J 
Issue Date: 2000
Source: 纺织学报 (Journal of textile research), 2000, no. 4, p. 252-255
Abstract: 本文在形状记忆行为、形状记忆过程、相分离及链结构等方面对形状记忆聚氨酯和普通聚氨酯的区别进行了分析。指出了准确控制聚氨酯软段分子量和硬段含量是形状记忆聚氨酯和普通聚氨酯两者性能差异的关键所在。
Memory polyurethanes (SM-PU)were analyzed in terms of shape memory behavior,shape memory process and phase transformation as well as their chain structures. This study is based on investigating the mechanism forming shape memory polyurethanes and the factors influencing the recovery ratio and the recovering rate of this new material. These factors include molecular weight and composition of soft and hard segments, modulus ratio and size of the dispersed phase in the micro-morphology. It is identified that the key differences between ordinary PUs and SM-PUs are molecular weight and contents of soft and hard segment together with their control.
Publisher: 纺织工业出版社
Journal: 纺织学报 (Journal of textile research) 
ISSN: 0253-9721
Rights: © 2003 中国学术期刊电子杂志出版社。本内容的使用仅限于教育、科研之目的。
© 2003 China Academic Journal Electronic Publishing House. It is to be used strictly for educational and research purposes.
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