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低氧含量液态超支化聚碳硅烷的合成与陶瓷化研究
Authors
丁马太
余兆菊
+4 more
周聪
夏海平
李然
詹俊英
Publication date
20 December 2010
Publisher
Abstract
以甲醇对氯甲基三氯硅烷(Cl3SiCH2Cl)进行烷氧化反应,然后经过格氏偶联反应和还原反应,制备了低氧含量液态超支化聚碳硅烷(HBPCS)。通过凝胶渗透色谱法(GPC)、核磁共振(NMR)以及元素分析对由此制备的HBPCS进行表征。结果表明,提高烷氧化比例,可以有效抑制溶剂四氢呋喃开环的副反应,降低先驱体氧含量。通过热失重分析(TGA)和X射线衍射(XRD)分别对HBPCS的热性能及相应陶瓷在高温下的结晶行为进行研究
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Last time updated on 16/06/2016