氰基封端聚酰亚胺树脂的合成条件对其耐热性能的影响

1.北京航空材料研究院,100095

2.北京航空材料研究院,100095

INFLUENCE OF SYNTHESIZED METHOD OF NITRILE TERMINATED POLYIMIDES ON ITS THERMO-RESISTNT PROPERTIES

本文通过TGA分析方法研究氰基封端聚酰亚胺的合成条件对其耐热性能的影响.研究表明,在室温条件下,以4,4' -二氨基二苯醚(ODA)、二苯酮四羧酸二酐(BDTA)、4-氰苯酐为原料,无水乙醇作溶剂,无水氯化锌为催化剂,其聚合度n＝10,可获得耐热性能较好的树脂体系.

[1]	Li-chen Hsu .Catalytic trimerization of aromatic nitriles and triaryl-s-triazine ring cross-linked high temperature resistant polymers and copolymers made thereby[P].US:4159262,1997.
[2]	Li-chen Hsu .Ring-chain polymer containing triaryl-s-triazine ring and other heat-resistant heterocyclic rings[P].US:4555565,1985.

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