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Title: Polyurethane with shape memory property, composition containing it and shape memory fabric prepared therefrom
Other Titles: 具有形状记忆性的聚氨酯、含其的组合物及由其制备的形状记忆织物
Authors: Hu, J 
Yang, Z
Issue Date: 5-Aug-2009
Publisher: 中华人民共和国国家知识产权局
Source: 中国专利 ZL 200410002552.2 How to cite?
Abstract: The said polyurethane is prepared through preparing polymer with diisocyanate, hydroxyl-containing oligomer, chain expander with active hydrogen radical and chain expander with carboxylic radical, neutralizer with alkali radical, blocking agent, cross-linking agent and optional catalyst in certain proportion; and subsequent reaction in water to obtain polymer. The polyurethane features the blocking diisocyanate radical and hydroxyl radical and thus shape converting temperature of -30 degree c to 100 degree c. In temperature higher than the shape converting temperature, the polyurethane may have its shape converted; in temperature lower than the shape converting temperature, the polyurethane is unchanged in shape; and the polyurethane heated to the temperature higher than the shape converting temperature will restore original shape.
Rights: 专利权人: The Hong Kong Polytechnic University.
Appears in Collections:Patent

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