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    • 9. 发明申请
    • TREAD FOR HEAVY VEHICLE TIRES
    • 用于重型车辆轮胎
    • WO2010126500A1
    • 2010-11-04
    • PCT/US2009/042104
    • 2009-04-29
    • SOCIETE DE TECHNOLOGIE MICHELINMICHELIN RECHERCHE ET TECHNIQUES S.A.MEHLEM, Jeremy, J.ARNOLD, Jesse, J.
    • MEHLEM, Jeremy, J.ARNOLD, Jesse, J.
    • B60C1/00
    • B60C1/0016B60C2200/06C08K3/36C08K5/01C08K5/44C08K5/548C08L7/00C08L9/00C08L9/06Y10T152/10
    • A heavy vehicle tire tread constituted from a material based upon a rubber composition, the composition comprising, per 100 parts by weight of elastomer, between 35 and 60 phr of a solution polymerized styrene-butadiene rubber having a styrene content of between 10 wt. % and 35 wt. % and between 35 and 60 phr of a polybutadiene. The composition may further include between 45 and 110 phr of silica and between (1.94 x 10 - 3 /n)(S) and (2.55 x 10 -3 /n)(S) moles of a sulfur-containing organosilicon compound as a silane coupling agent per 1 kg of the silica, wherein n is a number of silicon atoms in a molecule of the silane coupling agent and S is a CTAB surface area in m 2 /g of the silica. The rubber composition may be cured with a sulfur curing system comprising a sulfenamide accelerator and between 0.3 and 0.8 phr of free sulfur, wherein a ratio of the sulfenamide accelerator and the sulfur is between 2 and 7.
    • 由基于橡胶组合物的材料构成的重型车辆轮胎胎面,所述组合物包含每100重量份弹性体,35至60phr的苯乙烯含量为10重量%的溶液聚合的丁苯橡胶。 %和35wt。 %和35至60phr的聚丁二烯之间。 该组合物还可包含45至110phr的二氧化硅和(1.94×10 -3 / n)(S)和(2.55×10 -3 / n)(S)摩尔的含硫有机硅化合物作为硅烷 偶联剂每1kg二氧化硅,其中n是硅烷偶联剂分子中的硅原子数,S是二氧化硅的CTAB表面积(m2 / g)。 橡胶组合物可以用包含次磺酰胺促进剂的硫固化体系和0.3至0.8phr的游离硫固化,其中亚磺酰胺促进剂和硫的比例为2-7。