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    • 77. 发明申请
    • METHOD FOR MIXING A RUBBER COMPOSITION
    • 混合橡胶组合物的方法
    • US20120053262A1
    • 2012-03-01
    • US12870237
    • 2010-08-27
    • Zhong-Ren Chen
    • Zhong-Ren Chen
    • C08J5/14
    • C08J3/22B60C1/0025C08K3/04C08L7/00C08L9/00C08L9/06C08L2207/324C08L2310/00
    • 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.
    • 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。