volume 6, issue 65, P60094-60100 2016
DOI: 10.1039/c6ra08271h
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Abstract: In this research paper, a series of novel polyimide (PI) foams containing benzimidazole units were prepared derived from polyester ammonium salt (PEAS) precursor powders, which were synthesized by copolymerization of benzophenone-3,3 0 ,4,4 0 -tetracarboxylic dianhydride (BTDA) with two diamines of 2-(4-aminophenyl)-5-aminobenzimidazole (BIA) and 4,4 0 -diaminodiphenyl ether (ODA) with various molar ratios. The effects of incorporation of BIA on the morphology, thermal and mechanical properties of copolyimide…

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