端乙酸酯基GAP的合成与性能研究

Chemical Propellants & Polymeric Materials(2009)

Cited 23|Views45
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Abstract
以1,4-丁二醇为引发剂,三氟化硼乙醚络合物为催化剂,使环氧氯丙烷发生开环聚合制得环氧氯丙烷均聚物(PECH),PECH经叠氮化形成端羟基叠氮基缩水甘油醚聚合物(GAP),然后再以1-甲基咪唑为催化剂,用乙酸酐将GAP酯化成端乙酸酯基GAP(ETGAP)。用FT-IR、DSC等方法研究了ETGAP的结构和性能。ETGAP的玻璃化转变温度为-65.36℃,热分解温度为251.02℃,黏度小,可用作含能增塑剂。
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Key words
performance at low temperature,acetate-terminated GAP,polymerization
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