Transition Metal Compound, Catalyst for Olefin Polymerization, and Process for Producing Olefin Polymer
申请人:Funaya Munehito
公开号:US20090043057A1
公开(公告)日:2009-02-12
Provided is a transition metal compound novel and useful as a catalyst component for olefin polymerization, a catalyst for olefin polymerization containing the transition metal compound, and a process for producing an olefin polymer using the catalyst for polymerization. The transition metal is characterized by being represented by the following general formula [I]:
wherein, R
3
is hydrogen, R
2
is selected from a hydrocarbon group or a silicon-containing group, R
1
and R
4
are selected from a hydrocarbon group having 2 to 20 carbon atoms and a silicon-containing group, each of R
5
, R
6
, R
7
, R
8
, R
9
, R
10
, R
11
, R
12
, R
13
and R
14
, which is selected from hydrogen, a hydrocarbon group and a silicon-containing group, may be same or different from each other, and adjacent groups from R
5
to R
14
may be bonded to each other to form a ring. M is a Group 4 transition metal, Y is a carbon atom, Q may be selected from halogen, a hydrocarbon group, an anionic ligand and a neutral ligand capable of coordinating with a lone electron pair, which may be selected in the same combination or different combination, and j is an integer of 1 to 4.
提供了一种过渡金属化合物,作为烯烃聚合的催化剂组分,以及含有该过渡金属化合物的烯烃聚合催化剂和使用该催化剂进行聚合反应制备烯烃聚合物的方法。该过渡金属化合物的特征在于由以下一般式[I]表示:其中,R3为氢,R2为选择自烃基或含硅基团的基团,R1和R4为选择自具有2至20个碳原子的烃基团和含硅基团的烃基团,每个由氢、烃基团和含硅基团中选择的R5、R6、R7、R8、R9、R10、R11、R12、R13和R14可以相同或不同,并且从R5到R14的相邻基团可以连接在一起形成环。M为4族过渡金属,Y为碳原子,Q可以选择自卤素、烃基团、带负电荷的配体和能够与孤电子对配位的中性配体,可以选择相同或不同的组合,j为1至4的整数。