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公开(公告)号:US06211311B1
公开(公告)日:2001-04-03
申请号:US09318008
申请日:1999-05-25
申请人: Shaotian Wang , Bradley P. Etherton , Karen E. Meyer , Michael W. Lynch , Linda N. Winslow , Leonard V. Cribbs , Jia-Chu X. Liu
发明人: Shaotian Wang , Bradley P. Etherton , Karen E. Meyer , Michael W. Lynch , Linda N. Winslow , Leonard V. Cribbs , Jia-Chu X. Liu
IPC分类号: C08F442
CPC分类号: B01J31/165 , B01J31/0231 , B01J31/0272 , B01J31/0274 , B01J31/0275 , B01J31/14 , B01J31/1616 , B01J31/2295 , B01J2531/0225 , B01J2531/0233 , B01J2531/0236 , B01J2531/46 , B01J2531/48 , C08F4/65908 , C08F4/65912 , C08F4/6592 , C08F10/00 , C08F110/02 , C08F210/16 , C08F4/65916 , C08F210/08 , C08F210/14
摘要: A supported olefin polymerization catalyst system and a method of making it are disclosed. The catalyst system comprises: (a) a support chemically treated with an organoaluminum, organosilicon, organomagnesium, or organoboron compound; (b) a single-site catalyst that contains a polymerization-stable, heteroatomic ligand; and (c) an activator. Chemical treatment is a key to making supported heterometallocenes that have high activity and long shelf-lives, and can effectively incorporate comonomers.
摘要翻译: 公开了一种负载型烯烃聚合催化剂体系及其制备方法。 催化剂体系包括:(a)用有机铝,有机硅,有机镁或有机硼化合物化学处理的载体; (b)含有聚合稳定的杂原子配体的单中心催化剂; 和(c)活化剂。 化学处理是制备具有高活性和长保质期的负载型异金属茂并能有效掺入共聚单体的关键。
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公开(公告)号:US6020493A
公开(公告)日:2000-02-01
申请号:US306292
申请日:1999-05-06
申请人: Jia-Chu X. Liu
发明人: Jia-Chu X. Liu
CPC分类号: C07F7/006
摘要: An improved method of making an olefin polymerization catalyst is disclosed. The method reacts essentially equimolar amounts of a Group 4 transition metal tetrahalide and a quinolinol or pyridinol in the presence of a C.sub.5 -C.sub.10 hydrocarbon at a temperature within the range of about 0.degree. C. to about 60.degree. C. The method gives high yields of quinolinoxy or pyridinoxy-substituted Group 4 transition metal trihalides in a single reaction step. Particularly when combined with an activator, the target compounds are excellent olefin polymerization catalysts.
摘要翻译: 公开了制备烯烃聚合催化剂的改进方法。 该方法在约0℃至约60℃的温度下,在C5-C10烃存在下,基本上等摩尔量的第4族过渡金属四卤化物和喹啉醇或吡啶酚反应。该方法得到高产率 的喹啉氧基或吡啶氧基取代的第4族过渡金属三卤化物。 特别是当与活化剂组合时,目标化合物是优异的烯烃聚合催化剂。
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