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一種由形狀記憶聚氨酯制備的形狀記憶纖維及其制備方法

总结: The present invention relates to a preparation of shape memory polyurethane shape memory fiber and its preparation method, the shape memory polyurethane is a hydroxyl group-containing organic polymer material, a chain extender, a diisocyanate, blocking agent, the molar ratio of 1: 1-3:2.4-4.8:0.8-1.6 system. The present invention provides a shape memory fiber preparation method comprises the steps of (1): Preparation of the isocyanate excess of shape memory polyurethane; and Step (2): In the step (1) to give the polyurethane is added capping agent, to obtain end-capped shape memory polyurethane , prepared by melt spinning to get the shape memory fibers. The present invention provides a shape memory fiber with a very wide temperature adjustment range, and its flexibility, strength and shape memory performance has demonstrated good practical performance and comfortable, easy spun alone or with other synthetic fibers, natural fibers In textiles and clothing, biomedical materials and other fields have broad application.

附加资料: Inventor: HU J | HUANG Y | YANG G | YANG Z | YE G
Priority Number: CN1324174C
IPC Current: D01F000694 | D01F001116
Assignee Applicant: Univ Xianggang Sci & Eng
Title: Shape memory fiber prepared with shape memory polyurethane and its prepn process | A kind of shape memory fibre prepared by shape memory polyurethane and its preparation method
Usefulness: Shape memory fiber prepared with shape memory polyurethane and its prepn process | A kind of shape memory fibre prepared by shape memory polyurethane and its preparation method
Novelty: Shape memory fiber prepared with shape memory polyurethane and its prepn process

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