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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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含二氮杂萘酮联苯结构聚芳酯的合成和性能
Abstract:
？以新二酸4-[4-(4-羧基苯氧基)苯基]-2-(4-羧基苯基)二氮杂萘-1-酮(1)和4种商品二酚进行溶液缩聚反应,制备出一系列含杂萘联苯结构新型聚芳酯,其特性粘度在0.50～0.58dl·g-1之间.以ft-ir、1h-nmr证明了聚合物的结构.该类聚芳酯的玻璃化转变温度在209～272℃之间,在n2气氛下10%的热失重温度在468～481℃之间.聚芳酯具有无定型结构,可溶解于n-甲基吡咯烷酮(nmp),n,n-二甲基乙酰胺(dmac),间甲酚,吡啶和氯仿(chcl3)中.扭曲和非共平面的结构存在使该系列聚芳酯既耐高温又具有良好的溶解性能.
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