合成橡胶工业 |
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用聚合转化法合成聚异丁烯-聚丙烯酸叔丁酯嵌段聚合物 何金太 任天瑞 程斌 摘 要:使用BCl3/CH2Cl2/DTBP/IB反应体系实现了异丁烯的正离子聚合,得到末端为硼氧烷基的聚异丁烯,其与苯基溴化镁发生金属转移反应,生成末端为二苯基硼烷的聚异丁烯,其在常温下与氧气发生氧化反应,生成碳氧自由基,从而引发丙烯酸叔丁酯的自由基聚合,得到异丁烯和丙烯酸叔丁酯的嵌段聚合物. Preparation of poly (isobutylene-b-tert-butyl acrylate) by transformation of living carbocationic polymerization into radical polymerization
He Jintai(National Key Laboratory of Biochemical Engineering, Institute of Process Engineering China Academy of Sciences, Beijing 100080, China;Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 100029, China)
Ren Tianrui (National Key Laboratory of Biochemical Engineering, Institute of Process Engineering China Academy of Sciences, Beijing 100080, China)
Cheng Bin(Key Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 100029, China)
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收稿日期:2006年1月13日 出版日期:2006年7月15日 |