Synthesis and characterization of high-temperature fluorine-containing PMR polyimides

被引：33
作者：
Hu, AJ [1 ]
Hao, JY [1 ]
He, T [1 ]
Yang, SY [1 ]
机构：
[1] Chinese Acad Sci, Ctr Mol Sci, Inst Chem, State Key Lab Engn Plast, Beijing 100080, Peoples R China
来源：
MACROMOLECULES | 1999年 / 32卷 / 24期
关键词：
D O I：
10.1021/ma991258g
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The synthesis and characterization of novel fluorine-containing PMR polyimides derived from the diethyl eater of 4,4'-(2,2,2-trifluoro-1-phenylethylidene)diphthalic acid, p-phenylenediamine, and the monoethyl. eater of cis-5-norbornene-endo-2,3-dicarboxylic acid in low boiling solvents were described. The fluoropolyimide resin solutions are stable for several weeks at mom temperatures and can easily impregnate carbon fibers to prepare prepregs. The molded resins exhibit outstanding thermal and thermooxidative stabilities at temperatures as high as 350 degrees C.
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收藏
页码：8046 / 8051
页数：6
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