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含能材料  2015 

端叠氮基超支化聚酯的制备与优化

DOI: 10.11943/j.issn.1006-9941.2015.06.001

Keywords: 超支化聚酯 端叠氮基超支化聚酯 优化

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Abstract:

以端磺酰氧基超支化聚酯为前驱体, 在二甲基亚砜中与叠氮化钠反应, 端磺酰氧基被叠氮基所取代, 制备得到端叠氮基超支化聚酯。在此基础上, 对端叠氮基超支化聚酯的合成反应进行了优化, 结果表明:该合成反应的最优条件为以二甲基亚砜为反应介质, 反应温度95 ℃, 反应时间24 h, 叠氮化钠加入量为化学反应量的1.5倍, 催化剂四丁基溴化铵加入量为叠氮化钠物质的量的5.0%;在此条件下, 99.8%的端磺酰氧基被叠氮基所取代

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