Olefin polymerization catalyst and process for olefin polymerization using the olefin polymerization catalyst
申请人:Mitsui Chemicals, Inc.
公开号:US20030004290A1
公开(公告)日:2003-01-02
An olefin polymerization catalyst having a high polymerization activity at high temperatures and a process for olefin polymerization using the catalyst are disclosed. The olefin polymerization catalyst comprises a transition metal compound which is represented by the following formula (I) and in which the net charge parameter of the central metal is not more than
2.00
.
1
wherein M is a transition metal atom of Group
4
to Group
5
of the periodic table, m is an integer of
1
to
5,
Q is —N═or —C(R
2
)═, A is —0—, —S—, —Se— or —N(R
5
)—, R
1
is an aliphatic hydrocarbon group or an alicyclic hydrocarbon group, R
2
to R
5
are each a hydrogen atom, a hydrocarbon group, an oxygen-containing group or the like, n is a number satisfying a valence of M, and X is a hydrogen atom, a halogen atom, a hydrocarbon group or the like.
本文披露了一种在高温下具有高聚合活性的烯烃聚合催化剂及使用该催化剂进行烯烃聚合的方法。该烯烃聚合催化剂包括一种过渡金属化合物,其由下式(I)表示,其中中心金属的净电荷参数不超过2.00.1,M是周期表中第4至第5族的过渡金属原子,m是1至5的整数,Q是—N═或—C(R2)═,A是—0—、—S—、—Se—或—N(R5)—,R1是脂肪烃基或脂环烃基,R2到R5分别是氢原子、烃基、含氧基团或类似物,n是满足M的价的数字,X是氢原子、卤素原子、烃基或类似物。