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    • 1. 发明授权
    • Method for manufacturing of butadiene-propylene copolymers
    • 丁二烯 - 丙烯共聚物的制造方法
    • US3940378A
    • 1976-02-24
    • US478730
    • 1974-06-12
    • Junji FurukawaKazuo HagaEiichi Kobayashi
    • Junji FurukawaKazuo HagaEiichi Kobayashi
    • C08F210/06C08F236/04C08F2/06C08F4/52C08F36/06
    • C08F236/04C08F210/06
    • A method for manufacturing a high molecular weight, elastic and random type butadiene-propylene copolymer whose propylene content is in the range of 3 to 45 mol%, which comprises copolymerizing butadiene and propylene in the molar ratio ranging from 1/10 to 10/1 at a temperature in the range of 0.degree. to 80.degree.C in the presence of a catalyst system consisting of (1) at least one compound selected from the group consisting of titanium tetrachloride, titanium tetrabromide and vanadyl trichloride, (2) an organoaluminum compound having the general formula, ALR.sup.1 R.sup.2 R.sup.3 wherein R.sup.1, R.sup.2 and R.sup.3 represent a hydrocarbon radical and (3) phosgene, in which said components (2) and (3) are mixed at room temperature prior to the addition of other catalyst components and of monomers. The resulting random butadiene-propylene copolymer is highly elastic and superior to cis-1,4-polybutadiene in resistance to thermal aging.
    • 丙烯含量为3〜45摩尔%的高分子量弹性无规型丁二烯 - 丙烯共聚物的制造方法,其特征在于,使丙烯与丙烯的摩尔比为1/10〜10/1 在由(1)至少一种选自四氯化钛,四溴化钛和三氯化钒组成的组中的化合物的存在下,在0℃至80℃的温度范围内,(2)有机铝化合物 具有通式的ALR1R2R3其中R1,R2和R3代表烃基,和(3)光气,其中所述组分(2)和(3)在加入其它催化剂组分和单体之前在室温下混合。 所得到的无规丁二烯 - 丙烯共聚物具有高弹性,优于顺式-1,4-聚丁二烯耐热老化性能。