Provided are a catalyst composition for efficiently obtaining a high molecular weight addition copolymer of a norbornene compound having a polar group, a process for producing a high molecular weight addition copolymer of a norbornene compound by using the above catalyst composition, a copolymer thereof and a film prepared by using the above copolymer.
It is a catalyst composition comprising a main catalyst (A) and a promoter (B) which are used for copolymerization of norbornene having a polar group, wherein the main catalyst (A) is a complex represented by Formula (1):
MLnK1xK2yKz (1)
(wherein M is one transition metal selected from group 8 elements, group 9 elements and group 10 elements in the periodic table; L is a cyclopentadienyl base ligand containing a cyclopentadiene ring; K1, K2 and K3 are anionic ligands or neutral ligands which are different from each other; n is an integer of 0 to 2; x, y and z each are an integer including 0, and a sum thereof is 1 to 7); and the promoter (B) is an ionic compound (a) which can be reacted with the main catalyst (A) to form a cationic transition metal compound.
本发明提供了一种用于高效获得具有极性基团的
降冰片烯化合物的高分子量加成共聚物的催化剂组合物、一种使用上述催化剂组合物生产
降冰片烯化合物的高分子量加成共聚物的工艺、其共聚物以及一种使用上述共聚物制备的薄膜。
这是一种催化剂组合物,由主催化剂(A)和
促进剂(B)组成,用于具有极性基团的
降冰片烯的共聚,其中主催化剂(A)是由式(1)表示的络合物:
MLnK1xK2yKz (1)
(其中 M 是选自元素周期表中第 8 族元素、第 9 族元素和第 10 族元素的一种过渡
金属;L 是含有
环戊二烯环的
环戊二烯基
配体;K1、K2 和 K3 是阴离子
配体或彼此不同的中性
配体;n为 0 至 2 的整数;x、y 和 z 均为包括 0 的整数,其总和为 1 至 7);
促进剂(B)为离子化合物(a),可与主催化剂(A)反应生成阳离子过渡
金属化合物。