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为什么中等柔性链的聚合物适宜制成优良的合成纤维?

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为什么中等柔性链的聚合物适宜制成优良的合成纤维?
为什么中等柔性链的聚合物适宜制成优良的合成纤维?
The crystalline ability of polymers are affected essentially by the polymer structure.The factor includes symmetry,three-dimensional tacticity of molecular chain etc.The more flexible polymer chain becomes,the worse crystalline ability of polymer will be.The introduction of rigid unit can can improve the above symmetry and spacial tacticity of polymer chains.