高分子量聚亚胺酮的合成与性能研究

摘要

Four poly( imino ketone)(PIKs) were synthesized by four method via Palladium-catalyzed condensation polymerization of 1,4-bis-( 4-bromobenzoyl )-benzene and p-phenylenediamine. The structures were characterized by 1H NMR, IR and elemental analysis. The main performance of PIKs were investigated by DSC, TG and GPC. The results showed that PIKs of new method synthesizing exhibited the same performance (such as thermal stability, solubility), and higher molecular weight and well molecular weight distribution.%以1,4-双-(4'-溴苯酰基苯)和对苯二胺为单体,采用四种方法通过钯催化的胺基化缩聚反应合成了四种聚亚胺酮类聚合物(PIKs),其结构经'H NMR,IR和元素分析表征.DSC,TG和GPC分析结果表明,新方法合成的PIKs在保持了优良的热性能和溶解性的同时,分子量大幅度提高,分子量分布较窄.