Rubber composition and pneumatic tire
    1.
    发明授权
    Rubber composition and pneumatic tire 有权
    橡胶组合物和充气轮胎

    公开(公告)号:US06506849B1

    公开(公告)日:2003-01-14

    申请号:US09647609

    申请日:2001-01-05

    IPC分类号: C08F13620

    摘要: There are provided a rubber composition having a high modulus of elasticity and a good workability, and a pneumatic tire. A rubber composition comprising at least one of natural rubber and synthetic diene rubbers as a rubber ingredient, at least one maleimide compound, and at least one nitrogen-containing compound selected from the group consisting of polyaniline, hydrazide, and amine compound is used in a tread.

    摘要翻译: 提供具有高弹性模量和良好可加工性的橡胶组合物和充气轮胎。一种橡胶组合物,其包含天然橡胶和合成二烯橡胶中的至少一种作为橡胶成分,至少一种马来酰亚胺化合物,并且至少 在胎面中使用一种选自聚苯胺,酰肼和胺化合物的含氮化合物。

    Rubber composition for tire tread and pneumatic tire using said rubber composition
    2.
    发明授权
    Rubber composition for tire tread and pneumatic tire using said rubber composition 有权
    用于轮胎胎面的橡胶组合物和使用所述橡胶组合物的充气轮胎

    公开(公告)号:US06376587B1

    公开(公告)日:2002-04-23

    申请号:US09338540

    申请日:1999-06-23

    IPC分类号: C08K320

    摘要: A rubber composition for a tire tread comprising: per 100 parts by weight of a diene based rubber component containing at least 50 parts by weight of SBR, 5 to 50 parts by weight of carbon black (C/B) having a nitrogen absorption surface area (N2SA) of from 90 to 180 m2/g and a DBP absorption amount of from 100 to 170 ml/100 g and 5 to 50 parts by weight of silica (S), wherein the total amount of (C/B+S) is from 30 to 90 parts by weight; and 5 to 20% by weight of a silane coupling agent relative to the blended amount of silica; 1 to 15 parts by weight of a thermoplastic (novolac type) phenol resin; and 5 to 20% by weight of hexamethylenetetramine relative to the blended amount of resin, wherein tan &dgr; at 60° C., tan &dgr; at 0° C., dynamic modulus E′ at 30° C., and tensile stress at the time of extending 300% (M300) at 25° C. of the rubber composition are tan &dgr; (60° C.)≦0.14, tan &dgr; (0° C.)≧0.50, E′ (30° C.)≧1.2×107 pa and M300 (25° C.)≦9.5 Mpa, respectively, and a pneumatic tire using the rubber composition.

    摘要翻译: 一种轮胎胎面用橡胶组合物,其特征在于,每100重量份含有至少50重量份SBR的二烯系橡胶成分,5〜50重量份具有氮吸收表面积的炭黑(C / B) (N 2 SA)为90〜180m 2 / g,DBP吸附量为100〜170ml / 100g,5〜50重量份二氧化硅(S),其中(C / B + S) 为30〜90重量份; 和5〜20重量%的硅烷偶联剂相对于二氧化硅的配合量; 1〜15重量份的热塑性(酚醛清漆型)酚醛树脂; 和5至20重量%的六亚甲基四胺相对于树脂的共混量,其中在60℃下的tanδ,0℃下的tanδ,30℃下的动态模量E'和此时的拉伸应力 在25℃下延伸300%(M300)的橡胶组合物为tanδ(60℃)<= 0.14,tanδ(0℃)> = 0.50,E'(30℃)> = 1.2×10 7 pa和M300(25℃)<= 9.5Mpa,以及使用该橡胶组合物的充气轮胎。