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Polyimides Based on Flexible Diamines:Synthesis, Characterization and Thermal Properties
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作者 m.Saeed Butt Zareen Akhtar +1 位作者 m.zafar-uz-zaman Arshad munir 《复旦学报(自然科学版)》 CAS CSCD 北大核心 2007年第5期617-,共1页
1 Results and DiscussionTwo diamines 1,4-phenylene di(oxy-4,4′-aniline) and 4-aminophenyloxy-N-4-[(4-amiophenyloxy)benzylidene]aniline were prepared via the nucleopilic substitution reaction and were polymerized with... 1 Results and DiscussionTwo diamines 1,4-phenylene di(oxy-4,4′-aniline) and 4-aminophenyloxy-N-4-[(4-amiophenyloxy)benzylidene]aniline were prepared via the nucleopilic substitution reaction and were polymerized with 3,3′,4,4′-benzophenonetetracarboxylic acid dianhydride (BP), 4,4′-(hexafluoroisopropylidene)diphthalic anhydride (HF) , 3,4,9,10-perylenetetracarboxylic acid dianhydride (PD) and pyromellitic dianhydride (PMDA) either by one step solution polymerization reaction or two step procedure. The l... 展开更多
关键词 polyimides ether diamines SOLUBILITY thermal stability
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