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    • 99. 发明申请
    • Pneumatic Tire
    • 气动轮胎
    • US20090107595A1
    • 2009-04-30
    • US12255705
    • 2008-10-22
    • Norihiko Nakamura
    • Norihiko Nakamura
    • B60C19/08
    • C08L9/06B60C19/08C08K3/04C09D109/06Y02T10/862C08L21/00C08L2666/08
    • A pneumatic tire that can maintain processability and tire performance such as rolling resistance or a wet performance, overcome the problem of non-conductivity by a tread rubber of silica formulation or the like, and sustain conductive performance of a tire over a long period of time is provided. The pneumatic tire includes a non-conductive tread, and a continuous conducting path comprising a conductive rim strip and a side wall, a cement rubber being applied to a ground region of the tread and a contact region between the tread and the side wall to form a continuous coating film, wherein the cement rubber includes a rubber composition comprising 100 parts by weight of a rubber component containing from 50 to 100 parts by weight of a diene rubber having a weight average molecular weight (Mw) of from 250,000 to 450,000, and from 10 to 30 parts by weight of carbon black having a nitrogen adsorption specific surface area (N2SA) of from 700 to 1,300 m2/g and a dibutyl phthalate (DBP) absorption of from 300 to 550 cm3/100 g, the rubber composition being dissolved in an organic solvent.
    • 可以保持加工性和轮胎性能如滚动阻力或湿性能的充气轮胎克服了二氧化硅制剂等的胎面橡胶的非导电性问题,并且长时间维持轮胎的导电性能 被提供。 充气轮胎包括非导电胎面和包括导电边缘条和侧壁的连续导电路径,施加到胎面的接地区域的胶合橡胶以及胎面与侧壁之间的接触区域以形成 连续涂膜,其中,所述水泥橡胶包括橡胶组合物,所述橡胶组合物包含100重量份的包含50至100重量份的重均分子量(Mw)为25万至45万的二烯橡胶的橡胶组分和 10〜30重量份氮吸附比表面积(N2SA)为700〜1300平方米/克的炭黑和邻苯二甲酸二丁酯(DBP)吸收为300〜550立方厘米/ 100g,橡胶组成为 溶于有机溶剂。