申请人:MARUZEN PETROCHEMICAL CO., LTD.
公开号:US20020058767A1
公开(公告)日:2002-05-16
A method for producing an olefin type copolymer having a cyclic structure, which comprises copolymerizing ethylene (M1) and dicyclopentadiene or tricyclopentadiene (M2), and, as optionally introduced, a cyclic olefin (M3), wherein, as a catalyst, a catalyst comprising a metallocene compound (A) of the following formula [1]:
H
2
C(R′
m
CP)(R″
n
Cp)Mx
2
[1]
wherein M is zirconium or hafnium, Cp is a group having a cyclopentadienyl skeleton, each of R′ and R″ is a hydrocarbon group having 1 to 10 carbon atoms, each of two X's which may be the same or different from each other, is a halogen atom, a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group, an alkylamino group, an alkoxy group, an aryloxy group of the formula —O—Ar—Y
p
(wherein Ar is an aromatic ring, Y is a halogen atom, a hydrogen atom, a hydrocarbon group having 1 to 20 carbon atoms, a halogenated hydrocarbon group, an alkoxy group, an alkylamino group, a cyano group or a nitro group, and p is an integer of from 1 to 5), a thioalkyl group, or a thioaryl group of the formula —S—Ar—Y
p
(wherein Ar, Y and p are as defined above), and each of m and n is an integer of from 0 to 4, provided that m and n are not equal, and m+n is an integer of from 3 to 6, and an aluminoxane (B), is used.
一种制备具有环状结构的烯烃共聚物的方法,包括共聚乙烯(M1)和二环戊二烯或三环戊二烯(M2),以及作为可选引入的环状烯烃(M3),其中,作为催化剂使用以下式子(1)的金属茂化合物(A):H2C(R′mCP)(R″nCp)Mx2(1),其中M为锆或铪,Cp为具有环戊二烯基骨架的基团,R′和R″各自为具有1至10个碳原子的碳氢基团,两个X可以相同也可以不同,是卤素原子、氢原子、具有1至20个碳原子的碳氢基团、卤代碳氢基团、烷基氨基基团、烷氧基、苯氧基(式中Ar为芳香环,Y为卤素原子、氢原子、具有1至20个碳原子的碳氢基团、卤代碳氢基团、烷氧基、烷基氨基基团、氰基或硝基,p为1至5的整数),硫代烷基团或硫代芳基团(式中Ar、Y和p如上所述),m和n各自为0至4的整数,但m和n不相等,且m+n为3至6的整数,并使用铝烷氧化物(B)。