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    • 17. 发明专利
    • Process for producing rubber composition
    • 生产橡胶组合物的方法
    • JP2013213164A
    • 2013-10-17
    • JP2012085057
    • 2012-04-03
    • Bridgestone Corp株式会社ブリヂストン
    • KATO SEIICHI
    • C08J3/20C08K3/04C08K5/38C08K5/39C08K5/40C08K5/405C08K5/44C08K5/47C08L7/00C08L9/00
    • PROBLEM TO BE SOLVED: To provide a process for producing a rubber composition in which low heat buildup can be improved.SOLUTION: There is provided a process for producing a rubber composition obtained by mixing a rubber ingredient (A) comprising at least one rubber selected from natural rubber and synthetic diene rubbers, a filler comprising carbon black (B), and at least one compound (C) selected from vulcanization accelerators, and the process comprises a plurality of kneading stages: in the first stage of kneading, the rubber ingredient (A) and all or some of the carbon black (B) are kneaded together, then and along the way in the first stage, are added with the at least one compound (C) selected from vulcanization accelerators, and further kneaded.
    • 要解决的问题:提供一种生产能够提高低发热量的橡胶组合物的方法。解决方案:提供一种制备橡胶组合物的方法,该橡胶组合物通过将包含至少一种选自橡胶的橡胶成分(A) 来自天然橡胶和合成二烯橡胶的填料,包含炭黑(B)和至少一种选自硫化促进剂的化合物(C)的填料,该方法包括多个捏合阶段:在捏合的第一阶段,橡胶组分 (A)和全部或部分炭黑(B)一起捏合,然后在第一阶段中加入至少一种选自硫化促进剂的化合物(C),并进一步捏合。