Effect of the molecular weight of fibre-forming polymers on the mechanical properties of polymer fibres (review)

被引：8
|
作者：
Volokhina, AV [1 ]
机构：
[1] All Russian Sci Res Inst Polymer Fibres, Mytishchi, Russia
来源：
FIBRE CHEMISTRY | 2002年 / 34卷 / 01期
关键词：
D O I：
10.1023/A:1015564704979
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The effect of the molecular weight of fibre-joining flexible- and rigid-chain polymers on the strength properties of fibres made from them is examined. It was shown that in contrast to high-strength flexible-chain polymer fibres,for which the use of polymers with ultrahigh molecular weights of several million is a necessary condition for sharply increasing the strength, polymers with a normal molecular weight of 20,000-60,000 are used for fabricating high-strength fibres from rigid-chain polymers. Increasing the molecular weight of aromatic polymers during synthesis or by solid-phase afterpolycondensation conducted on the polymer or finished fibre can significantly increase the strength of the fibres.
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页码：1 / 9
页数：9
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