申请人:Asahi Kasei Chemicals Corporation
公开号:EP1942120A1
公开(公告)日:2008-07-09
A process for producing a conjugated diene polymer composition, which comprises of polymerizing a conjugated diene compound or a conjugated diene compound and an aromatic vinyl compound in a hydrocarbon solvent in the presence of at least one compound selected from the group consisting of organoalkali metals and organoalkaline earth metals as an initiator and then reacting the active end of the resulting polymer with a low molecular compound represented by the following formula (1) or the following formula (2):
(wherein in the formula (1), R1 represents an organic group containing an N atom not adjacent to the N atom of the aminosilyl group and having a molecular weight not greater than 1000, R2 represents a C1-10 hydrocarbon group or a C1-10 hydrocarbon group having no active hydrogen and substituted with an Si, O, N or S atom, R3 and R4 each independently represents a C1-20 alkyl group or aryl group, R5, R6, and R7 each represents a C1-20 alkyl group or aryl group or a C1-12 alkoxy group and g stands for an integer from 1 to 3, and
in the formula (2), R8 and R9 each represents a C1-10 hydrocarbon group, a C1-10 hydrocarbon group having no active hydrogen and substituted with an Si, O, N or S atom, or an organic group containing an N atom not adjacent to the N atom of an aminosilyl group and having a molecular weight not greater than 1000, and R3, R4, R5, R6, R7 and g have the same meanings as defined in the formula (1)).
一种共轭二烯聚合物组合物的生产工艺,包括在烃类溶剂中,在至少一种选自有机碱金属和有机碱土金属组成的化合物作为引发剂的存在下,使共轭二烯化合物或共轭二烯化合物和芳香乙烯基化合物聚合,然后使所得聚合物的活性端与下式(1)或下式(2)所代表的低分子化合物反应:
(其中,在式 (1) 中,R1 代表含有与氨基硅基 N 原子不相邻的 N 原子且分子量不大于 1000 的有机基团,R2 代表 C1-10 烃基或不含活泼氢且被 Si、O、N 或 S 原子取代的 C1-10 烃基,R3 和 R4 各自独立地代表 C1-20 烷基或芳基,R5、R6 和 R7 各自代表 C1-20 烷基或芳基或 C1-12 烷氧基,g 代表 1 至 3 的整数,以及
在式 (2) 中,R8 和 R9 各自代表一个 C1-10 烃基、一个不含活泼氢且被 Si、O、N 或 S 原子取代的 C1-10 烃基、或一个含有与氨基硅基的 N 原子不相邻的 N 原子且分子量不大于 1000 的有机基团,且 R3、R4、R5、R6、R7 和 g 与式 (1) 中定义的含义相同。)