Method for mixing a rubber composition
    2.
    发明授权
    Method for mixing a rubber composition 有权
    混合橡胶组合物的方法

    公开(公告)号:US08450409B2

    公开(公告)日:2013-05-28

    申请号:US12870237

    申请日:2010-08-27

    Abstract: Disclosed is a method comprising: (a) mixing in a first mixing step ingredients comprising (i) first polymer, (ii) a low molecular weight polymer having a number average molecular weight of about 5,000 to about 100,000, and (iii) a filler, and (b) mixing in a second mixing step ingredients comprising (i) the mixture obtained in step (a), (ii) a second polymer that is different from said first polymer, and (iii) optionally a filler. In one embodiment, the method further comprises mixing sulfur and vulcanization accelerator(s) into the composition, forming the rubber composition into a sidewall for a tire, and vulcanizing the rubber composition.

    Abstract translation: 公开了一种方法,其包括:(a)在第一混合步骤中混合成分,所述成分包含(i)第一聚合物,(ii)数均分子量为约5,000至约100,000的低分子量聚合物,和(iii)填料 ,和(b)在第二混合步骤中混合成分,所述成分包括(i)步骤(a)中获得的混合物,(ii)不同于所述第一聚合物的第二聚合物,和(iii)任选的填料。 在一个实施方案中,该方法还包括将硫和硫化促进剂混合到组合物中,将橡胶组合物形成轮胎的侧壁,并硫化橡胶组合物。

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