[Task] To provide a catalyst for olefin polymerization having an excellent olefin polymerization performance and capable of producing a polyolefin with excellent properties.
[Construction] A catalyst for olefin polymerization comprising (A) a transition metal compound represented by the following general formula (1); and (B) at least one compound selected from the group consisting of (B-1) organometallic compound, (B-2) organoaluminum oxy compound and (B-3) compounds capable of reacting with the transition metal compound (A) to form an ion pair:
(M is a transition metal atom selected from Groups 4 to 6 of the periodic table; the two of R
1
to R
4
, which are adjacent to each other, are combined to form a ring with the carbon atoms to which the two are bonded; groups of not forming a ring, R
5
to R
8
, and X are each an atom or a group selected from a hydrogen atom, a halogen atom, a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing group, and a nitrogen-containing group; Q is —O—, —S—, —NR
a
—, or —PR
b
— (R
a
and R
b
are each a hydrogen atom or a hydrocarbon group); Y is a neutral ligand having an electron-donating group; m is a number satisfying the valence of M; and n is an integer of 0 to 3.).
[任务] 提供一种具有优异的
烯烃聚合性能并能够生产具有优异性能的聚
烯烃的
催化剂。
[构造] 一种
烯烃聚合的
催化剂,包括(A)由下列通式(1)表示的过渡
金属化合物和(B)选自以下组合中的至少一种化合物(B-1)有机
金属化合物,(B-2)
有机铝氧化合物和(B-3)能够与过渡
金属化合物(A)反应形成离子对的化合物:
(M是周期表第4到第6族中选择的过渡
金属原子;R1到R4中的两个相邻的基团与它们所连接的
碳原子形成一个环;不形成环的基团R5到R8和X是选择自
氢原子,卤素原子,烃基,卤代烃基,含
氧基团和含
氮基团的原子或基团;Q是—O—,—S—,—NRa—或—PRb—(Ra和Rb分别是
氢原子或烃基);Y是带有电子给体基团的中性
配体;m是满足M的价的数字;n是0到3之间的整数。)