申请人:Minnesota Mining and Manufacturing Company
公开号:US05416177A1
公开(公告)日:1995-05-16
Tris(pentafluorophenyl)borane complexes having the general formula (C.sub.6 F.sub.5).sub.3 B.(YXH).sub.q wherein X is oxygen, or sulfur; q is i to 3; Y is a hydrogen atom, R.sup.1 --, (R.sup.2).sub.3 Si--, or (R.sup.3).sub.2 C.dbd.N--; R.sup.1 is a hydrocarbyl group containing 1 to 500 carbon atoms, and may contain a divalent oxygen and further may be a fluorine-containing hydrocarbyl group; R.sup.2 is independently a linear or branched alkyl group containing 1 to 25 carbon atoms, or a phenyl group, further R.sup.2 may contain a SiO-- group; and R.sup.3 is independently a hydrocarbyl group containing 1 to 25 carbon atoms, R.sup.3 may be a hydrogen atom provided both R.sup.3 groups selected are not hydrogen atoms; and to complexes containing the borane complexes with an organometallic compound, either as a neutral compound or as an acidic salt that are useful as catalysts for polymerization and copolymerization of olefins and to polymeric products prepared using these catalysts.
具有通式(C.sub.6 F.sub.5).sub.3 B.(YXH).sub.q的Tris(pentafluorophenyl)硼配合物,其中X为氧或硫;q为1至3;Y为氢原子、R.sup.1-、(R.sup.2).sub.3 Si-或(R.sup.3).sub.2 C.dbd.N-;R.sup.1是含有1至500个碳原子的烃基基团,可能包含一个二价氧原子并进一步可能是含氟的烃基基团;R.sup.2独立地是含有1至25个碳原子的线性或支链烷基基团,或苯基,进一步R.sup.2可能包含一个SiO-基团;而R.sup.3独立地是含有1至25个碳原子的烃基基团,R.sup.3可以是氢原子,前提是所选的两个R.sup.3基团均不是氢原子;以及与含有有机金属化合物的硼配合物形成的配合物,作为催化剂用于烯烃的聚合和共聚合,并使用这些催化剂制备的聚合物产品。