Semicrystalline polyimides as matrices for carbon-fiber reinforced plastics

被引:0
|
作者
Yudin, VE [1 ]
Svetlichnyi, VM [1 ]
Gubanova, GN [1 ]
Grigor'ev, AI [1 ]
Sukhanova, TE [1 ]
Gofman, IV [1 ]
Didenko, AL [1 ]
Popova, EN [1 ]
Fedorova, GN [1 ]
Kudryavtsev, VV [1 ]
机构
[1] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia
关键词
D O I
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中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
A fusible poly(imide), poly{[4,4'-bis(4"-N-phenoxy)diphenyl]imido-1,3-bis(3,4-dicarboxyphenoxy)benzene}, capable of crystallization upon cooling from melt was synthesized. The crystallization of poly(imide) was shown to be enhanced in its blends with bis(imides) that model the structure of its repeating unit or one of its fragments, diamine or acidic, Semicrystalline poly(imide) compositions which may serve as matrices for carbon-fiber reinforced plastics were obtained, As compared with an amorphous poly(imide), the use of a crystallizable poly(imide) leads to an increase in the heat resistance of a carbon-fiber reinforced plastic by almost 100degreesC and allows one to achieve a twofold increase in the elastic shear modulus.
引用
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页码:148 / 156
页数:9
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