Polymer bound ligands, polymer bound metallocenes, catalyst systems, preparation, and use
申请人:PHILLIPS PETROLEUM COMPANY
公开号:EP0690076A1
公开(公告)日:1996-01-03
A polymer bound ligand represented by the formula QM(R)m and process for preparing same are provided, wherein Q is a polystyrene, M is Si, C, Ge, Sn, P, or N, each R is a that at least one R is a cyclopentadienyl-type compound, and m is 2 or 3, said process comprising reacting a metallated polystyrene and an organohalide compound, wherein the polystyrene is metallated with an alkali metal, and wherein said organohalide compound is represented by the formula XM(R)m wherein X is a halide. Other aspects of the present invention include a polymer bound metallocene represented by the formula QM(R)mZYn and a process for preparing same, wherein Z is a transition metal, Y is a halide, methyl, hydrogen, or a cyclopentadienyl-type group, and n is 2 or 3. Other aspects of the present invention include a catalyst system comprising the polymer bound metallocene and an organoaluminoxane, a method for preparing same, and a polymerization process employing the catalyst system.
提供了一种由式 QM(R)m 表示的聚合物结合配体及其制备工艺,其中 Q 是聚苯乙烯,M 是 Si、C、Ge、Sn、P 或 N,每个 R 是至少一个 R 是环戊二烯类化合物,m 是 2 或 3、所述工艺包括使金属化聚苯乙烯和有机卤化物化合物反应,其中聚苯乙烯用碱金属金属化,所述有机卤化物化合物由式 XM(R)m 表示,其中 X 是卤化物。本发明的其他方面包括由式 QM(R)mZYn 表示的聚合物结合茂金属及其制备工艺,其中 Z 是过渡金属,Y 是卤化物、甲基、氢或环戊二烯基,n 是 2 或 3。本发明的其他方面包括由聚合物结合茂金属和有机铝氧烷组成的催化剂体系、制备方法以及采用该催化剂体系的聚合工艺。