申请人:BOREALIS AG
公开号:WO2021058740A1
公开(公告)日:2021-04-01
A metallocene complex of formula (I): each X is a sigma-ligand; in the group R2Si- at least one R is methyl or ethyl, and the other R is selected from methyl, ethyl, n-propyl, isopropyl, n-butyl or isobutyl, pentyl, hexyl, cyclohexyl and phenyl; each R1 independently is the same or can be different and are a CH2-R7 group, with R7 being H or linear or branched C1-6-alkyl group, C3-8 cycloalkyl group, or C6-10 aryl group; each R2 is independently a –CH=, -CY=, –CH2-, -CHY- or -CY2- group, wherein Y is a C1-6 hydrocarbyl group and where n is 2-6; each R3 and R4 are independently the same or can be different and are hydrogen, a linear or branched C1-6-alkyl group, a C7-20 arylalkyl, C7-20 alkylaryl group, C6-20 aryl group, or an -OY group, wherein Y is a is a C1-6 hydrocarbyl group; R5 is a linear or branched C1-6-alkyl group, C7-20 arylalkyl, C7-20 alkylaryl group or C6-20-aryl group; and R6 is a C(R8)3 group, with R8 being a linear or branched C1-6 alkyl group; (A) wherein at least one R3 per phenyl group and at least one R4 is not hydrogen, and wherein at least one R3 per phenyl group and at least one R4 is hydrogen; or (B) wherein one R3 is an -OY group, wherein Y is a is a C1-6 hydrocarbyl group, in 4 position of each phenyl group and the two other R3 groups are tert-butyl groups; and/or (C) wherein one R4 is an -OY group, wherein Y is a is a C1-6 hydrocarbyl group, in 4-position of the phenyl ring and the two other R4 groups are tert-butyl groups.
一个配位化合物的配方(I):每个X是一个σ配体;在R2Si-基团中,至少一个R是甲基或乙基,另一个R从甲基、乙基、正丙基、异丙基、正丁基或异丁基、戊基、己基、环己基和苯基中选择;每个独立的R1是相同的或可以不同,并且是一个CH2-R7基团,其中R7是H或线性或支链的C1-6烷基基团、C3-8环烷基基团或C6-10芳基基团;每个R2独立地是一个-CH=、-CY=、-CH2-、-CHY-或-CY2-基团,其中Y是一个C1-6烃基团,n为2-6;每个R3和R4独立地是相同的或可以不同,并且是氢、线性或支链的C1-6烷基基团、C7-20芳基烷基、C7-20烷基芳基基团、C6-20芳基基团或一个-OY基团,其中Y是一个C1-6烃基团;R5是一个线性或支链的C1-6烷基基团、C7-20芳基烷基、C7-20烷基芳基基团或C6-20芳基基团;R6是一个C(R8)3基团,其中R8是一个线性或支链的C1-6烷基基团;(A)其中至少一个R3每个苯基团和至少一个R4不是氢,并且至少一个R3每个苯基团和至少一个R4是氢;或(B)其中一个R3是一个-OY基团,其中Y是一个C1-6烃基团,在每个苯基团的4位,另外两个R3基团是叔丁基基团;和/或(C)其中一个R4是一个-OY基团,其中Y是一个C1-6烃基团,在苯环的4位,另外两个R4基团是叔丁基基团。