Structure of polyurethane spinning solutions and its effect on properties of spandex fibre

被引：2
|
作者：
Prozorov, L.V.
Ponomareva, O.A.
机构：
来源：
Fibre chemistry | 1989年 / 21卷 / 01期
关键词：
Elastomers - Synthesis - Mathematical Techniques - Correlation Methods - Polymerization - Gelation - Polyurethanes - Structure - Yarn - Physical Properties;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The supermolecular structure of solutions of polyurethane and of polytetramethylene ether glycol is studied. It is found that spinning solutions having a large content of gel-particles are obtained from a more 'structurized' polytetramethylene ether glycol. Correlation analysis of the dependences of physico-mechanical fiber indices on parameters of the low-molecular compounds of spinning solutions showed that the specific load and load at 300% extension vary directly proportionally to the concentration and inversely proportionally to the size of particles in the spinning solution, and shrinkage in hot water varies in the opposite way.
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页码：56 / 58
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