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    • 3. 发明申请
    • METHOD FOR PRODUCING HYDROGENATED CONJUGATED DIENE POLYMER
    • 生产氢化偶联二烯聚合物的方法
    • US20150368387A1
    • 2015-12-24
    • US14765199
    • 2014-02-14
    • JSR CORPORATION
    • Naoya NOSAKAMasahiro SHIBATANobuyuki TOYODAShigeru ABEJirou UEDA
    • C08F236/10C08L9/06C08K3/36C08K3/04
    • C08F236/10C08C19/02C08C19/30C08F4/54C08F8/04C08F136/06C08F297/04C08K3/04C08K3/36C08L15/00C08L19/006C08L23/12C08L67/02C08L101/00C08F8/42C08L67/04C08L53/025C08L23/06
    • [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), R1 is a hydrocarbylene group, the hydrocarbylene group in R1 may contain a heteroatom as long as the hydrocarbylene group does not have an active hydrogen atom, and A1 is a trihydrocarbylsilyl group; in the formula (y), R2 and R3 are each independently a hydrocarbylene group, the hydrocarbylene group in each of R2 and R3 may contain a heteroatom as long as the hydrocarbylene group does not have an active hydrogen atom, and A2 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 R3 is N, P or S; and the above R1 and A1 may be bonded to each other to form a cyclic structure and a part of the above R2, R3, and A2 may be bonded to each other to form a cyclic structure.
    • [问题]提供一种在与填料配混时具有优异的分散性提高的氢化共轭二烯系聚合物的制造方法,配混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,且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,则R2和R3各自的亚烃基可以含有杂原子,而A2是官能团 其具有选自氮原子N,磷原子P和硫原子S中的至少一个原子,具有三烃基甲硅烷基,不具有活性氢原子,并且与R3结合的原子为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。