申请人:Mitsui Chemicals, Inc.
公开号:US20150045523A1
公开(公告)日:2015-02-12
[Object] There is provided a method which enables an olefin polymer having high melting point and high molecular weight to be produced even at high temperature proper in an industrial production process. [Solution] A method for producing an olefin polymer is provided, the method including polymerizing an olefin having two or more carbon atoms in the presence of a catalyst for olefin polymerization, wherein the catalyst for olefin polymerization includes (A) a bridged metallocene compound represented by Formula [1] and (B) at least one compound selected from, for example, an organoaluminum oxy-compound and an organoaluminum compound:
[where R
1
to R
4
each represent, for example, a hydrocarbon group; R
5
to R
9
each represent, for example, a hydrogen atom or a halogen atom; R
10
and R
11
each represent, for example, a hydrogen atom; and R
12
represents, for example, a hydrocarbon group. Y represents, for example, a carbon atom. M represents, for example, Zr; Y represents, for example, a carbon atom; and Q represents, for example, a halogen atom. j is an integer from 1 to 4].
[目标] 提供一种方法,使得在工业生产过程中,即使在高温条件下,也能生产出具有高熔点和高分子量的烯烃聚合物。
[解决方案] 提供了一种生产烯烃聚合物的方法,包括在烯烃聚合催化剂的存在下聚合具有两个或多个碳原子的烯烃。其中,烯烃聚合催化剂包括(A)由式[1]表示的桥联金属茂化合物和(B)至少一种从以下化合物中选择的化合物,例如,有机铝氧化合物和有机铝化合物:[其中,R1到R4分别表示例如一个碳氢基团;R5到R9分别表示例如一个氢原子或卤素原子;R10和R11分别表示例如一个氢原子;R12表示例如一个碳氢基团。Y表示例如一个碳原子。M表示例如Zr;Y表示例如一个碳原子;Q表示例如一个卤素原子。j是1到4的整数。]