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公开(公告)号:US06960631B2
公开(公告)日:2005-11-01
申请号:US10240925
申请日:2001-04-05
申请人: Shojiro Kaita , Zhaomin Hou , Yasuo Wakatuki
发明人: Shojiro Kaita , Zhaomin Hou , Yasuo Wakatuki
IPC分类号: C08F4/54 , C08F4/60 , C08F10/00 , C08F295/00 , C08F297/00 , C08F297/02 , C08F297/04 , C08F297/06
CPC分类号: C08F297/06 , C08F10/00 , C08F295/00 , C08F297/00 , C08F297/02 , C08F297/04 , C08F4/52 , C08F36/04 , C08F4/545
摘要: A method for block copolymerization of a conjugated diene and an aromatic vinyl compound, which comprises the steps of carrying out homopolymerization of the conjugated diene in the presence of a catalyst composition comprising the following components: (A) a metallocene type complex of a rare earth metal compound, and (B) an ionic compound composed of a non-coordinate anion and a cation and/or an aluminoxane, and then adding the aromatic vinyl compound, and a catalyst composition for polymerization of a conjugated diene or copolymerization of a conjugated diene and an aromatic vinyl compound, which comprises the following components: (D) a neodymium complex, and (B) an ionic compound composed of a non-coordinate anion and a cation and/or an aluminoxane.
摘要翻译: 一种共轭二烯和芳族乙烯基化合物的嵌段共聚方法,其包括在包含以下组分的催化剂组合物存在下进行共轭二烯均聚的步骤:(A)稀土金属茂型络合物 金属化合物和(B)由非配位阴离子和阳离子和/或铝氧烷组成的离子化合物,然后加入芳族乙烯基化合物,以及共轭二烯的聚合用催化剂组合物或共轭二烯的共聚合 和芳族乙烯基化合物,其包含以下组分:(D)钕络合物,和(B)由非配位阴离子和阳离子和/或铝氧烷组成的离子化合物。