POLY(BENZOXAZINONE-IMIDE)S AND POLY(BENZOXAZINONE-PHENYLQUINOXALINE-IMIDE-AMIDE)S CONTAINING HEXAFLUOROISOPROPYLIDENE UNITS

被引：12
|
作者：
HAMCIUC, C
BRUMA, M
MERCER, F
BELOMOINA, NM
POPESCU, F
机构：
[1] RAYCHEM CORP,MENLO PK,CA 94025
[2] MOSCOW ELEMENT ORGAN CPDS INST,MOSCOW,RUSSIA
来源：
ANGEWANDTE MAKROMOLEKULARE CHEMIE | 1994年 / 214卷
关键词：
D O I：
10.1002/apmc.1994.052140104
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Fluorine-containing poly(benzoxazinone-imide)s and poly(benzoxazinone-phenylquinoxaline-imide-amide)s have been synthesized by solution polycondensation of diacid dichlorides containing imide and hexafluoroisopropylidene groups with 4,4'-diaminodiphenylmethane-3,3'-dicarboxylic acid or with mixtures of the latter with a diamino phenylquinoxaline. These polymers show high thermal stability, the decomposition temperatures being in the range of 450-470-degrees-C. Transparent flexible films were cast from the solutions of the corresponding polyamidic acid intermediates that after thermal cyclization showed low dielectric constant which recommends them for future applications in microelectronics.
引用
收藏
页码：29 / 37
页数：9
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