Rubber composition for tire cord coating, breaker edge strip, breaker cushion or cord-adjoining strip, and pneumatic tire
    1.
    发明授权
    Rubber composition for tire cord coating, breaker edge strip, breaker cushion or cord-adjoining strip, and pneumatic tire 有权
    用于轮胎帘线涂层的橡胶组合物,断裂器边缘条,断路器缓冲垫或连接带,以及充气轮胎

    公开(公告)号:US09074076B2

    公开(公告)日:2015-07-07

    申请号:US14238429

    申请日:2012-08-31

    Inventor: Tatsuya Miyazaki

    Abstract: Provided are a rubber composition for a tire cord topping, a breaker edge strip, a breaker cushion, or a strip adjacent to cords, which achieves a balanced improvement in handling stability, fuel economy, durability, ride quality, and adhesion; and pneumatic tires including the same. The rubber composition includes: an isoprene-based rubber; a phenol resin and/or an alkylphenol resin; and a partial condensate of HMMM and/or a partial condensate of HMMPME, wherein an amount of the isoprene-based rubber is 60% by mass or higher per 100% by mass of the rubber component; and combined amount of the phenol resin and the alkylphenol resin is 2-3.9 parts by mass, combined amount of the partial condensate of HMMM and the partial condensate of HMMPME is 0.5-5 parts by mass, and an amount of silica is at most 15 parts by mass, each per 100 parts by mass of the rubber component.

    Abstract translation: 提供了一种用于轮胎帘线顶部的橡胶组合物,断屑器边缘条,断路器缓冲垫或邻近绳索的条带,其实现了操纵稳定性,燃料经济性,耐久性,乘坐质量和附着力的均衡改进; 和包括其的充气轮胎。 橡胶组合物包括:异戊二烯类橡胶; 酚醛树脂和/或烷基酚树脂; 和HMMM的部分缩合物和/或HMMPME的部分缩合物,其中异戊二烯类橡胶的量相对于橡胶组分100质量%为60质量%以上。 酚醛树脂和烷基酚树脂的混合量为2-3.9质量份,HMMM的部分缩合物和HMMPME的部分缩合物的组合量为0.5-5质量份,二氧化硅的量为15以下 质量份,每100质量份橡胶组分。

    Rubber composition for breaker topping and pneumatic tire
    2.
    发明授权
    Rubber composition for breaker topping and pneumatic tire 有权
    用于破碎机顶部和充气轮胎的橡胶组合物

    公开(公告)号:US09051451B2

    公开(公告)日:2015-06-09

    申请号:US13469146

    申请日:2012-05-11

    Inventor: Tatsuya Miyazaki

    Abstract: A rubber composition for a breaker topping can achieve balanced improvement of fuel economy, hardness, elongation at break, and adhesion. A pneumatic tire includes a breaker produced using the rubber composition. The rubber composition for a breaker topping includes a rubber component; silica; sulfur; a certain vulcanization accelerator; a compound represented by the following formula and/or a hydrate thereof; and stearic acid and/or cobalt stearate, wherein the mass ratio of the sulfur/the vulcanization accelerator and the total amount of stearic acid and cobalt stearate are set to the respective certain values, the formula being: MO3S—S—(CH2)q—S—SO3M wherein q represents an integer of 3 to 10, and Ms are the same as or different from each other, each representing lithium, potassium, sodium, magnesium, calcium, barium, zinc, nickel, or cobalt.

    Abstract translation: 用于破碎机顶部的橡胶组合物可以实现燃料经济性,硬度,断裂伸长率和粘附力的均衡提高。 充气轮胎包括使用橡胶组合物制造的破碎机。 用于破碎机顶部的橡胶组合物包括橡胶组分; 二氧化硅 硫; 某一硫化促进剂; 由下式表示的化合物和/或其水合物; 和硬脂酸和/或硬脂酸钴,其中硫/硫化促进剂的质量比和硬脂酸和硬脂酸钴的总量设定为各自的一定值,式为:MO3S-S-(CH2)q -S-SO 3 M,其中q表示3〜10的整数,Ms相同或不同,各自表示锂,钾,钠,镁,钙,钡,锌,镍或钴。

    Pneumatic tire
    3.
    发明授权
    Pneumatic tire 有权
    气动轮胎

    公开(公告)号:US08875764B2

    公开(公告)日:2014-11-04

    申请号:US13480813

    申请日:2012-05-25

    Inventor: Tatsuya Miyazaki

    Abstract: The present invention provides a pneumatic tire having excellent durability. Provided is a pneumatic tire including a sidewall and a carcass, the sidewall being produced from a rubber composition for a sidewall which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a sidewall and the rubber composition for a carcass topping satisfying a specific relationship. Provided is a pneumatic tire including a clinch and a carcass, the clinch being produced from a rubber composition for a clinch which has a specific sulfur content, the carcass being produced from a carcass cord covered with a rubber composition for a carcass topping, and the sulfur contents of the rubber composition for a clinch and the rubber composition for a carcass topping satisfying a specific relationship.

    Abstract translation: 本发明提供一种耐久性优异的充气轮胎。 本发明提供一种充气轮胎,其包括侧壁和胎体,所述侧壁由具有特定硫含量的侧壁用橡胶组合物制成,所述胎体由覆盖有用于胎体顶部的橡胶组合物的胎体帘线制成, 侧壁用橡胶组合物的硫含量和满足特定关系的胎体顶部用橡胶组合物。 本发明提供一种充气轮胎,其包括搭扣和胎体,所述搭扣由用于具有特定硫含量的搭扣的橡胶组合物制成,所述胎体由覆盖有用于胎体顶部的橡胶组合物的胎体帘线制成, 用于搭接的橡胶组合物的硫含量和满足特定关系的胎体顶部的橡胶组合物。

    Rubber composition for tires, and pneumatic tire
    4.
    发明授权
    Rubber composition for tires, and pneumatic tire 有权
    轮胎橡胶组合物和充气轮胎

    公开(公告)号:US08865803B2

    公开(公告)日:2014-10-21

    申请号:US14119356

    申请日:2012-06-19

    Inventor: Tatsuya Miyazaki

    Abstract: The invention relates to a rubber composition for a tire, containing an isoprene-based rubber and a compound represented by formula (1) below, wherein an amount of the isoprene-based rubber is at least 70% by mass; and an amount of the compound represented by formula (1) is 0.5-6 parts by mass per 100 parts by mass of the rubber component. The invention also relates to a rubber composition for a tire, containing an alkylphenol-sulfur chloride condensate and a compound represented by formula (1) below, wherein an amount of the alkylphenol-sulfur chloride condensate is 0.4-6 parts by mass, and an amount of the compound represented by formula (1) is 0.5-6 parts by mass, each per 100 parts by mass of a rubber component of the rubber composition: wherein R1 represents a C2-C16 alkyl group; and R2 represents a C3-C16 alkyl, benzothiazolyl-sulfide, or cycloalkyl group.

    Abstract translation: 本发明涉及一种轮胎用橡胶组合物,其含有异戊二烯系橡胶和下述式(1)所示的化合物,其中异戊二烯系橡胶的含量为70质量%以上。 由式(1)表示的化合物的量相对于100质量份的橡胶成分为0.5〜6质量份。 本发明还涉及一种含有烷基酚 - 硫化氢缩合物和下述式(1)表示的化合物的轮胎用橡胶组合物,其中烷基酚 - 硫化氢缩合物的量为0.4〜6质量份, 由式(1)表示的化合物的量为0.5-6质量份,每100质量份橡胶组合物的橡胶组分:其中R1表示C2-C16烷基; 并且R 2表示C 3 -C 16烷基,苯并噻唑基 - 硫醚或环烷基。

    Tire
    5.
    发明授权
    Tire 有权

    公开(公告)号:US08530575B2

    公开(公告)日:2013-09-10

    申请号:US12503691

    申请日:2009-07-15

    Inventor: Tatsuya Miyazaki

    Abstract: A tire satisfying both of the low rolling resistance of the tire and the improvement of tire strength is provided. A tire including sidewall including a rubber composition for sidewall including a rubber composition including a rubber component including 35 to 65% by mass of NR and/or IR, 15 to 55% by mass of a modified BR and 0 to 50% by mass of other rubber and 20 to 40 parts by mass of filler, in which complex elastic modulus E* is 2.0 to 3.5 MPa and tan δ is less than 0.12; case in which cord is covered with a rubber composition for covering case cord including a rubber component including 50 to 80% by mass of NR and/or IR, 20 to 45% by mass of diene rubber of a modified SBR, a modified BR or ENR and 0 to 30% by mass of other rubber and 20 to 40 parts by mass of filler, in which E* is 2.0 to 3.5 MPa and tan δ is less than 0.12; and clinch including a rubber composition for clinch including a rubber component including 30 to 50% by mass of NR and/or IR, 15 to 70% by mass of a modified BR and 0 to 55% by mass of other rubber and 35 to 80 parts by mass of filler, in which E* is 4.5 to 9.0 MPa and tan δ is less than 0.12.

    Abstract translation: 提供满足轮胎的低滚动阻力和提高轮胎强度的轮胎。 一种轮胎,其包括侧壁,该侧壁包括橡胶组合物,所述橡胶组合物包含含有35〜65质量%的NR和/或IR的橡胶组分,15〜55质量%的改性BR和0〜50质量% 其他橡胶和20〜40质量份填料,其中复合弹性模量E *为2.0〜3.5MPa,tanδ小于0.12; 帘线被用于覆盖壳体帘线的橡胶组合物覆盖的情况,其包括包含50至80质量%的NR和/或IR的橡胶组分,20至45质量%的改性SBR的二烯橡胶,改性的BR或 ENR,0〜30质量%的其他橡胶和20〜40质量份的填料,其中E *为2.0〜3.5MPa,tanδ小于0.12; 包括橡胶组合物,其包含橡胶组分,其包含NR和/或IR为30〜50质量%,15〜70质量%的改性BR,0〜55质量%的其他橡胶,35〜80 填料的质量份,其中E *为4.5〜9.0MPa,tanδ小于0.12。

    RUBBER COMPOSITION FOR BAND TOPPING, RUBBER COMPOSITION FOR BREAKER EDGE STRIP, AND PNEUMATIC TIRE
    6.
    发明申请
    RUBBER COMPOSITION FOR BAND TOPPING, RUBBER COMPOSITION FOR BREAKER EDGE STRIP, AND PNEUMATIC TIRE 审中-公开
    用于带状胎面的橡胶组合物,用于断裂边缘的橡胶组合物和气动轮胎

    公开(公告)号:US20130153110A1

    公开(公告)日:2013-06-20

    申请号:US13818309

    申请日:2011-10-20

    Inventor: Tatsuya Miyazaki

    Abstract: Rubber compositions excellent in durability are disclosed, as well as a pneumatic tire including a band and/or a breaker edge strip formed from the rubber compositions. A rubber composition for a band topping includes, per 100 parts by mass a rubber component containing not less than 50% by mass of an isoprene-based rubber, predetermined amounts of sulfur, a compound such as resorcinol resins, a compound such as partial condensates of hexamethoxymethylol melamine, silica, and a carbon black having a nitrogen adsorption specific surface area of 38 to 125 m2/g. A rubber composition for a breaker edge strip includes, per 100 parts by mass of a rubber component containing not less than 50% by mass of an isoprene-based rubber, predetermined amounts of sulfur, a compound such as resorcinol resins, a compound such as partial condensates of hexamethoxymethylol melamine, and a cobalt salt of an organic acid.

    Abstract translation: 公开了耐久性优异的橡胶组合物,以及包括由橡胶组合物形成的带和/或破裂剂边缘带的充气轮胎。 用于带顶的橡胶组合物包含:相对于100质量份的含有不少于50质量%异戊二烯类橡胶的橡胶成分,预定量的硫,间苯二酚树脂等化合物,部分缩合物 六甲氧基羟甲基三聚氰胺,二氧化硅和氮吸附比表面积为38〜125m 2 / g的炭黑。 用于破碎机边缘带的橡胶组合物包括:相对于100质量份含有不少于50质量%的异戊二烯橡胶的橡胶组分,预定量的硫,间苯二酚树脂等化合物, 六甲氧基羟甲基三聚氰胺的部分缩合物和有机酸的钴盐。

    Rubber composition for tire
    7.
    发明授权
    Rubber composition for tire 有权
    轮胎橡胶组合物

    公开(公告)号:US08383711B2

    公开(公告)日:2013-02-26

    申请号:US12740956

    申请日:2008-10-10

    Inventor: Tatsuya Miyazaki

    Abstract: The present invention relates to a rubber composition for a sidewall, a clinch and an insulation comprising 20 to 60 parts by mass of filler, 1.0 to 4.0 parts by mass of sulfur and 0.1 to 10 parts by mass of at least one vulcanization accelerating aid selected from a group comprising a citraconimide compound, an organic thiosulfate compound, an alkylphenol-sulfur chloride condensate, a compound represented by the formula (2) and a metal salt of methacrylic acid represented by the formula (3), based on 100 parts by mass of a diene rubber component comprising 10 to 70% by mass of at least one diene rubber component (a) selected from a group comprising a solution polymerization-modified styrene-butadiene rubber, a tin-modified butadiene rubber and a butadiene rubber whose terminal is modified with a compound represented by the formula (1), and 20 to 80% by mass of a diene rubber component (b) other than the diene rubber component (a) for the purpose of improving rolling resistance and steering stability.

    Abstract translation: 本发明涉及一种用于侧壁,夹层和绝缘体的橡胶组合物,其包含20至60质量份填料,1.0至4.0质量份硫和0.1至10质量份所选择的至少一种硫化促进助剂 来自包含柠康酰亚胺化合物,有机硫代硫酸盐化合物,烷基酚 - 硫化氢缩合物,由式(2)表示的化合物和由式(3)表示的甲基丙烯酸的金属盐,基于100质量份 的二烯橡胶组分,其包含10至70质量%的至少一种二烯橡胶组分(a),其选自溶液聚合改性的丁苯橡胶,锡改性丁二烯橡胶和终端为丁二烯橡胶的丁二烯橡胶 用式(1)表示的化合物改性,以及二烯橡胶组分(a)以外的二烯橡胶组分(b)20至80质量%用于改善滚动阻力和ste 稳定性。

    Rubber composition for breaker topping
    8.
    发明授权
    Rubber composition for breaker topping 有权
    用于破碎机顶部的橡胶组合物

    公开(公告)号:US08258213B2

    公开(公告)日:2012-09-04

    申请号:US12682152

    申请日:2008-11-14

    Inventor: Tatsuya Miyazaki

    Abstract: The present invention provides to a rubber composition for a breaker topping including 15 to 50 parts by weight of carbon black and 5 to 50 parts by weight of silica based on 100 parts by weight of a rubber component (provided that a butadiene rubber containing 1,2-syndiotactic polybutadiene crystals is not included) including 10 to 45% by weight of a modified butadiene rubber and/or a modified styrene-butadiene rubber and 55 to 90% by weight of a natural rubber and/or an isoprene rubber for the purpose of improving low fuel cost while keeping rigidity, elongation at break and peel strength at high level.

    Abstract translation: 本发明提供一种用于破碎机顶部的橡胶组合物,其包含基于100重量份橡胶组分的15至50重量份的炭黑和5至50重量份的二氧化硅(条件是含有1重量份的丁二烯橡胶, 不包括2-间同立构聚丁二烯结晶),包括10至45重量%的改性丁二烯橡胶和/或改性苯乙烯 - 丁二烯橡胶和55至90重量%的天然橡胶和/或异戊二烯橡胶 提高低燃料成本,同时保持刚性,断裂伸长率和高水平的剥离强度。

    Rubber composition for coating tire cord
    9.
    发明授权
    Rubber composition for coating tire cord 有权
    用于涂覆轮胎帘线的橡胶组合物

    公开(公告)号:US08148452B2

    公开(公告)日:2012-04-03

    申请号:US12155214

    申请日:2008-05-30

    Inventor: Tatsuya Miyazaki

    Abstract: The object of the present invention is provide a rubber composition for coating a tire cord, which improves adhesion with a tire cord and has an effect of recovering adhesion with a tire cord at hygrothermal aging with maintaining the initial vulcanization rate. The present invention relates to a rubber composition for coating a tire cord comprising 0.7 to 3 parts by weight of benzothiazolyl sulfenamide or benzothiazolyl sulfenimide represented by the chemical formula (1): (wherein R1 is a linear alkyl group having a branched structure of 3 to 16 carbon atoms, and R2 is a linear alkyl group having a branched structure of 3 to 16 carbon atoms or a benzothiazolyl sulfide group) and 3 to 7 parts by weight of sulfur based on 100 parts by weight of a rubber component containing at least 60% by weight of a natural rubber and/or an isoprene rubber.

    Abstract translation: 本发明的目的是提供一种用于涂覆轮胎帘线的橡胶组合物,其提高与轮胎帘线的粘附性,并且具有在保持初始硫化速率的情况下,在耐热老化下恢复与轮胎帘线的粘合性的效果。 本发明涉及一种用于涂覆轮胎帘线的橡胶组合物,其包含0.7至3重量份由化学式(1)表示的苯并噻唑基亚磺酰胺或苯并噻唑基亚硫酰亚胺:(其中R 1为具有3至 16个碳原子,R2是具有3〜16个碳原子的支链结构的直链烷基或苯并噻唑基硫醚基)和3〜7重量份的硫,相对于100重量份含有至少60个 天然橡胶和/或异戊二烯橡胶的重量%。

    Rubber composition for tire
    10.
    发明授权
    Rubber composition for tire 有权
    轮胎橡胶组合物

    公开(公告)号:US08124692B2

    公开(公告)日:2012-02-28

    申请号:US12744464

    申请日:2008-12-04

    Inventor: Tatsuya Miyazaki

    Abstract: The present invention provides a rubber composition for a tire which has high elongation at break while having high hardness and low tanδ, and in particular, is suitable for bead apexes and base treads. The rubber composition for a tire comprises: 100 parts by weight of a rubber component containing natural rubber and/or isoprene rubber; 2 to 7 parts by weight of sulfur; and 2.1 to 10 parts by weight in total of at least one vulcanization accelerator including 0.6 to 8 parts by weight of an N,N-dialkyl-2-benzothiazolylsulfenamide in which two alkyl groups each are a branch-containing straight chain alkyl group of C4-C16, and each of the alkyl groups may be the same as or different from each other.

    Abstract translation: 本发明提供了一种轮胎用橡胶组合物,其具有高的断裂伸长率,同时具有高的硬度和低的tanδ,特别是适用于珠顶和基底的胎面。 用于轮胎的橡胶组合物包括:100重量份的含有天然橡胶和/或异戊二烯橡胶的橡胶组分; 2〜7重量份的硫; 和至少一种硫化促进剂2.1至10重量份,其包含0.6至8重量份的N,N-二烷基-2-苯并噻唑基亚磺酰胺,其中两个烷基各自为含C4的直链烷基, -C16,并且每个烷基可以彼此相同或不同。

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