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甲基铝氧烷的改性及其对乙烯聚合催化活性的影响
Modification of Methylaluminoxane by BCl3 and its Effect on Ethylene Polymerization Activity
【摘要】 用BCl3为修饰剂制备了改性甲基铝氧烷(BMAO) 以二氯二茂锆为主催化剂、BMAO为助催化剂,考察了影响乙烯聚合活性的各种因素及其聚合动力学行为 与常用的甲基铝氧烷(MAO)相比,BMAO用于催化体系显著提高了乙烯聚合的催化活性.
【Abstract】 Boron chloride modified methylaluminoxane(BMAO) was prepared. It was found that the activities of ethylene polymerization catalyzed by Cp2ZrCl2/BMAO catalytic system were higher than Cp2ZrCl2/MAO catalytic system.
【关键词】 茂金属;
催化剂;
甲基铝氧烷;
乙烯聚合;
【Key words】 metallocene; catalyst; methylaluminoxane; ethylene polymerization;
【Key words】 metallocene; catalyst; methylaluminoxane; ethylene polymerization;
- 【文献出处】 化学研究 ,Chemical Researches , 编辑部邮箱 ,2004年01期
- 【分类号】O643.3
- 【被引频次】4
- 【下载频次】167