CATALYST FOR USE IN POLYMERIZATION OF CONJUGATED DIENE, CONJUGATED DIENE POLYMER AND MODIFIED CONJUGATED DIENE POLYMER EACH PRODUCED USING SAID CATALYST, METHODS RESPECTIVELY FOR PRODUCING SAID POLYMERS, RUBBER COMPOSITION FOR TIRES, AND RUBBER COMPOSITION FOR RUBBER BELTS
申请人:UBE Industries, Ltd.
公开号:EP2975067A1
公开(公告)日:2016-01-20
Provided are a catalyst for a conjugated diene polymerization capable of producing a conjugated diene polymer having a high content of cis-1,4-structures with a high activity, a conjugated diene polymer and a modified conjugated diene polymer using the same, production methods thereof, a rubber composition for a tire, and a rubber composition for a rubber belt. Described are a catalyst for a conjugated diene polymerization including: a non-metallocene type gadolinium compound (A) represented by the general formula (1); an ionic compound (B) formed of a non-coordinating anion and a cation; and an organic metal compound (C) of an element selected from the group consisting of a group 2, a group 12, and a group 13 of the periodic table, a conjugated diene polymer and a modified conjugated diene polymer obtained using the same, production methods thereof, a rubber composition for a tire, and a rubber composition for a rubber belt.
提供了一种共轭二烯聚合催化剂,该催化剂能够生产具有高活性的高顺式-1,4-结构含量的共轭二烯聚合物、使用该催化剂的共轭二烯聚合物和改性共轭二烯聚合物、其生产方法、轮胎橡胶组合物和橡胶带橡胶组合物。所述共轭二烯聚合催化剂包括由通式(1)表示的非茂金属型钆化合物(A);由非配位阴离子和阳离子形成的离子化合物(B);以及选自元素周期表中第 2 族、第 12 族和第 13 族的元素组成的组的有机金属化合物(C)、使用该催化剂获得的共轭二烯聚合物和改性共轭二烯聚合物、其生产方法、轮胎橡胶组合物以及橡胶带橡胶组合物。