METHOD FOR PRODUCING HYDROGENATED CONJUGATED DIENE POLYMER
    1.
    发明公开
    METHOD FOR PRODUCING HYDROGENATED CONJUGATED DIENE POLYMER 审中-公开
    VERFAHREN ZUR HERSTELLUNG EINES HYDRIERTEN KONJUGIERTEN DIENPOLYMERS

    公开(公告)号:EP2957572A1

    公开(公告)日:2015-12-23

    申请号:EP14751252.9

    申请日:2014-02-14

    申请人: JSR Corporation

    摘要: [Problem]
    To provide a method for producing a hydrogenated conjugated diene polymer that is excellent in the improvement in dispersibility at the time of compounding with a filler, is excellent in the reduction in hysteresis loss after compounding, and enables the formation of a polymer alloy which has excellent processability at the time of compounding with a thermoplastic resin or the like and has excellent physical properties after compounding.
    [Means for solution]
    A method for producing a hydrogenated conjugated diene polymer, the method comprising a step of polymerizing at least a conjugated diene compound in the presence of a polymerization initiator composed of an amine compound having at least one structure of the formulae (x) and (y) and at least one metal compound selected from alkali metal compounds and alkaline earth metal compounds to obtain a conjugated diene polymer and
    a step of hydrogenating the conjugated diene polymer.


    wherein, in the formula (x), R 1 is a hydrocarbylene group, the hydrocarbylene group in R 1 may contain a heteroatom as long as the hydrocarbylene group does not have an active hydrogen atom, and A 1 is a trihydrocarbylsilyl group; in the formula (y), R 2 and R 3 are each independently a hydrocarbylene group, the hydrocarbylene group in each of R 2 and R 3 may contain a heteroatom as long as the hydrocarbylene group does not have an active hydrogen atom, and A 2 is a functional group which has at least one atom selected from a nitrogen atom N, a phosphorus atom P, and a sulfur atom S, has a trihydrocarbylsilyl group, and does not have an active hydrogen atom and in which the atom that is bonded to R 3 is N, P or S; and the above R 1 and A 1 may be bonded to each other to form a cyclic structure and a part of the above R 2 , R 3 , and A 2 may be bonded to each other to form a cyclic structure.

    摘要翻译: 本发明提供一种在与填料混合时分散性提高性优异的氢化共轭二烯系聚合物的制造方法,配合后的滞后损失的降低优异,能够形成聚合物合金 其在与热塑性树脂等配混时具有优异的加工性,并且在配混后具有优异的物理性能。 [解决方案]一种制备氢化共轭二烯聚合物的方法,该方法包括在由具有至少一个式(x)的结构的胺化合物组成的聚合引发剂存在下使至少共轭二烯化合物聚合的步骤 )和(y)和至少一种选自碱金属化合物和碱土金属化合物的金属化合物,以获得共轭二烯聚合物和氢化共轭二烯聚合物的步骤。 其中,在式(x)中,R 1为亚烃基,只要亚烃基不具有活性氢原子,R 1中的亚烃基可含有杂原子,A 1为三烃基甲硅烷基; 在式(y)中,R 2和R 3各自独立地为亚烃基,只要亚烃基不具有活性氢原子,R 2和R 3各自中的亚烃基可以含有杂原子,并且A 2是具有选自氮原子N,磷原子P和硫原子S中的至少一个原子的官能团,具有三烃基甲硅烷基,不具有活性氢原子,并且其中键合的原子 R 3为N,P或S; 并且上述R 1和A 1可以彼此键合以形成环状结构,并且上述R 2,R 3和A 2的一部分可以彼此键合以形成环状结构。