申请人:——
公开号:US20010018396A1
公开(公告)日:2001-08-30
Compositions comprising:
A) an aluminum compound corresponding to the formula AlAr
f
3
, where
Ar
f
is a fluorinated aromatic hydrocarbyl moiety of from 6 to 30 carbon atoms;
B) an aluminum compound corresponding to the formula: AlAr
f
Q
1
Q
2
, or a dimer, adduct, or mixture thereof; where:
Ar
f
is as previously defined;
Q
1
is Ar
f
or a C
1-20
hydrocarbyl group, optionally substituted with one or more cyclohydrocarbyl, hydrocarbyloxy, hydrocarbylsiloxy, hydrocarbylsilylamino, hydrocarbylsilyl, silylhydrocarbyl, di(hydrocarbylsilyl)amino, hydrocarbylamino, di(hydrocarbyl)amino, di(hydrocarbyl)phosphino, or hydrocarbylsulfido groups having from 1 to 20 atoms other than hydrogen, or, further optionally, such substituents may be covalently linked with each other to form one or more fused rings or ring systems; and
Q
2
is an aryloxy, arylsulfide or di(hydrocarbyl)amido group, optionally substituted with one or more hydrocarbyl, cyclohydrocarbyl, hydrocarbyloxy, hydrocarbylsiloxy, hydrocarbylsilylamino, hydrocarbylsilyl, silylhydrocarbyl, di(hydrocarbylsilyl)amino, hydrocarbylamino, di(hydrocarbyl)amino, di(hydrocarbyl)phosphino, or hydrocarbylsulfido groups having from 1 to 20 atoms other than hydrogen, or, further optionally such substituents may be covalently linked with each other to form one or more fused rings or ring systems, said Q
2
having from 3 to 20 atoms other than hydrogen; and
the molar ratio of A):B) in the composition being from 0.1:1 to 10:1 are useful as activators for olefin polymerizations.
包含以下成分的组合物
A) 与式 AlAr 相对应的铝化合物
f
3
其中
Ar
f
是 6 至 30 个碳原子的
氟化
芳烃基;
B) 符合以下式子的铝化合物AlAr
f
Q
1
Q
2
或二聚体、加合物或其混合物;其中
Ar
f
如前定义;
Q
1
是 Ar
f
或一个 C
1-20
烃基,可任选被一个或多个
环烃基、烃基氧基、烃基
硅氧基、烃基
硅烷基
氨基、烃基
硅烷基、
硅烷基烃基、二(烃基
硅烷基)
氨基、烃基
氨基、二(烃基)
氨基取代、或二(烃基)
氨基、二(烃基)
氨基、二(烃基)膦、或烃基亚
磺酸基团,这些基团除氢原子外还具有 1 至 20 个原子,或者,这些取代基可任选地相互共价连接,形成一个或多个融合环或环系统;和
Q
2
是芳氧基、芳
硫基或二(烃基)
氨基基团,可任选被一个或多个烃基、环氢烃基、烃比氧基、烃
硅氧基、烃
硅氨基、烃
硅烷基、
硅烷基氢烃基、二(烃
硅基)
氨基、烃
氨基二(烃基)
氨基、二(烃基)膦基或除氢原子外具有 1 至 20 个原子的烃基亚磺基,或者,这些取代基可进一步彼此共价连接,形成一个或多个融合环或环系统,所述 Q
2
具有 3 至 20 个除氢以外的原子;以及
组合物中 A):B) 的摩尔比为 0.1:1 至 10:1,可用作烯烃聚合的活化剂。