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生产IIR的新型催化剂进展 被引量:1

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摘要 综述几种可以用于异丁烯异戊二烯高温共聚的新型催化剂体系,即活性阳离子络合催化体系,如叔酯或叔醚/四氯化钛催化剂体系;茂金属催化剂,如Cp2ZrMe2/B(C6F5)3 或(CPh3)[B(C6F5)4]催化剂体系;烷基氯化铝共催化剂体系;可以改变相对分子质量分布的叔醇/Lewis 酸催化体系,如异丙基醇/三氯化铝催化剂体系;用Lewis 酸活化了的卤代金刚烷体系。利用叔醇/Lewis 酸催化体系合成的IIR的相对分子质量分布呈双峰,多卤代金刚烷/Lewis 酸体系合成的IIR是四臂星形结构。新型催化剂的使用可以取得良好的经济效益和社会效益。
作者 孙玉琴
出处 《橡胶工业》 CAS 北大核心 2000年第2期85-89,共5页 China Rubber Industry
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