RUBBER COMPOSITION FOR TIRE AND TIRE
    2.
    发明公开
    RUBBER COMPOSITION FOR TIRE AND TIRE 有权
    KAUTSCHUKZUSAMMENSETZUNGFÜRREIFEN UND REIFEN

    公开(公告)号:EP1978057A1

    公开(公告)日:2008-10-08

    申请号:EP07706786.6

    申请日:2007-01-16

    摘要: The invention has an object to provide a rubber composition for tire with improved processability and abrasion resistance. The invention relates to a rubber composition for tire, comprising: (a) 5-90 weight parts of a high cis polybutadiene having a cis structure in a proportion of 95 % or higher in a microstructure analysis; (b) 90-5 weight parts of a diene-based rubber other than (a); and (c) 1-100 weight parts of a reinforcing agent blended in 100 weight parts of a rubber component including (a) + (b). The high cis polybutadiene is synthesized using a cobalt-based catalyst and satisfies the requirements of: (i) a Mooney viscosity (ML) of 40-49; (ii) a molecular weight distribution [Weight average molecular weight (Mw)/Number average molecular weight (Mn)] of 3.0-3.9; and (iii) a velocity dependence index (n-value) of the Mooney viscosity of 2.3-3.0.

    摘要翻译: 本发明的目的是提供一种具有改善的加工性和耐磨性的轮胎用橡胶组合物。 本发明涉及一种轮胎用橡胶组合物,其包括:(a)在组织分析中5-90重量份具有95%或更高比例的顺式结构的高顺式聚丁二烯; (b)90-5重量份除(a)以外的二烯基橡胶; 和(c)在100重量份包含(a)+(b)的橡胶组分中混合1-100重量份的增强剂。 高顺式聚丁二烯使用钴基催化剂合成,满足以下要求:(i)门尼粘度(ML)为40-49; (ii)3.0-3.9的分子量分布[重均分子量(Mw)/数均分子量(Mn)]; 和(iii)门尼粘度的速度依赖指数(n值)为2.3-3.0。

    RUBBER COMPOSITION FOR BELT, AND RUBBER BELT
    4.
    发明授权
    RUBBER COMPOSITION FOR BELT, AND RUBBER BELT 有权
    用于频带和橡胶带的橡胶组合物

    公开(公告)号:EP2116569B1

    公开(公告)日:2011-12-28

    申请号:EP08711998.8

    申请日:2008-02-26

    摘要: The invention provides a rubber composition for belt use suitable for industrial rubber belts with less energy loss and excellent durability such resistance to flex crack growth. The rubber composition for belt use comprises (A) 90-5 mass % of a vinyl-cis-polybutadiene rubber including (b) 1-30 mass % of specific syndiotactic 1,2-polybutadiene crystal fibers having an average fiber length of crystal fibers equal to 200 nm or below, an average aspect ratio of 10 or lower, the number of crystal fibers having a fiber length of 200 nm or below equal to 90 or more per 25 µm 2 , and a melting point of 170 °C or higher, and (a) 99-70 mass % of a cis-polybutadiene rubber; (B) 10-95 mass % of a diene-based rubber other than (A); and (C) 20-70 parts by mass of a rubber reinforcing agent compounded on the basis of 100 parts by mass of the rubber components (A) + (B), wherein the rubber reinforcing agent (C) contains at least carbon black and silica, wherein the compounding amount of the silica in the rubber reinforcing agent is 70 mass % or less.

    RUBBER COMPOSITION FOR BELT, AND RUBBER BELT
    6.
    发明公开
    RUBBER COMPOSITION FOR BELT, AND RUBBER BELT 有权
    KautschukzusammensetzungfürBand und Kautschukband

    公开(公告)号:EP2116569A1

    公开(公告)日:2009-11-11

    申请号:EP08711998.8

    申请日:2008-02-26

    摘要: The invention provides a rubber composition for belt use suitable for industrial rubber belts with less energy loss and excellent durability such resistance to flex crack growth.
    The rubber composition for belt use comprises (A) 90-5 mass % of a vinyl-cis-polybutadiene rubber including (b) 1-30 mass % of specific syndiotactic 1,2-polybutadiene crystal fibers having an average fiber length of crystal fibers equal to 200 nm or below, an average aspect ratio of 10 or lower, the number of crystal fibers having a fiber length of 200 nm or below equal to 90 or more per 25 µm 2 , and a melting point of 170 °C or higher, and (a) 99-70 mass % of a cis-polybutadiene rubber; (B) 10-95 mass % of a diene-based rubber other than (A); and (C) 20-70 parts by mass of a rubber reinforcing agent compounded on the basis of 100 parts by mass of the rubber components (A) + (B), wherein the rubber reinforcing agent (C) contains at least carbon black and silica, wherein the compounding amount of the silica in the rubber reinforcing agent is 70 mass % or less.

    摘要翻译: 本发明提供一种适用于工业橡胶带的带用橡胶组合物,其具有较少的能量损失和优异的耐久性,耐挠曲裂纹扩展。 用于带状用途的橡胶组合物包含(A)90-5质量%的乙烯基 - 顺式聚丁二烯橡胶,其包含(b)1-30质量%的具有平均纤维长度的结晶纤维的特定间规1,2-聚丁二烯结晶纤维 平均纵横比为10以下,纤维长度为200nm以下的结晶纤维的数目等于90μm以上,25μm2以上,熔点为170℃以上 ,(a)99-70质量%的顺式聚丁二烯橡胶; (B)除了(A)以外的10-95质量%的二烯系橡胶; 和(C)基于100质量份橡胶组分(A)+(B)配合的橡胶增强剂20-70质量份,其中橡胶增强剂(C)至少含有炭黑和 二氧化硅,其中,所述橡胶增强剂中的二氧化硅的配合量为70质量%以下。

    RUBBER COMPOSITION FOR GOLF BALL AND GOLF BALL
    7.
    发明公开
    RUBBER COMPOSITION FOR GOLF BALL AND GOLF BALL 有权
    高尔夫球和高尔夫球的橡胶组合物

    公开(公告)号:EP2062620A1

    公开(公告)日:2009-05-27

    申请号:EP07767554.4

    申请日:2007-06-26

    摘要: A high cis-polybutadiene with a cobalt catalyst is set to have a Mooney viscosity, a molecular weight distribution and an n-value (velocity dependence index of Mooney viscosity) falling within specific ranges, thereby providing a rubber composition for golf ball with high hardness and repulsion, and excellent processability, with further improved filler dispersion, and high strength.
    A rubber composition for golf ball comprises a high cis-polybutadiene synthesized in the presence of a cobalt-based catalyst, and a crosslinking agent mixed by 10-50 weight parts on the basis of 100 weight parts of the high cis-polybutadiene. The high cis-polybutadiene satisfies the requirements of (a) a Mooney viscosity (ML) of 40-55, (b) a molecular weight distribution [Weight average molecular weight (Mw) /Number average molecular weight (Mn)] of 3.0-4.2, and (c) a velocity dependence index of Mooney viscosity (n-value) of 2.3-3.0.

    摘要翻译: 具有钴催化剂的高顺式聚丁二烯被设定为具有门尼粘度,分子量分布和n值(门尼粘度的速度依赖性指数)落入特定范围内,由此提供高硬度高尔夫球用橡胶组合物 排斥性和优异的加工性,填料分散性进一步提高,强度高。 用于高尔夫球的橡胶组合物包含在钴基催化剂存在下合成的高顺式聚丁二烯和基于100重量份高顺式聚丁二烯以10-50重量份混合的交联剂。 高顺式聚丁二烯满足(a)门尼粘度(ML)为40-55,(b)分子量分布[重均分子量(Mw)/数均分子量(Mn)]为3.0- 4.2,(c)门尼粘度(n值)的速度依赖性指数为2.3〜3.0。

    RUBBER COMPOSITION FOR TIRE AND TIRE
    8.
    发明授权
    RUBBER COMPOSITION FOR TIRE AND TIRE 有权
    轮胎和轮胎用橡胶组合物

    公开(公告)号:EP1978057B1

    公开(公告)日:2012-12-26

    申请号:EP07706786.6

    申请日:2007-01-16

    摘要: The invention has an object to provide a rubber composition for tire with improved processability and abrasion resistance. The invention relates to a rubber composition for tire, comprising: (a) 5-90 weight parts of a high cis polybutadiene having a cis structure in a proportion of 95 % or higher in a microstructure analysis; (b) 90-5 weight parts of a diene-based rubber other than (a); and (c) 1-100 weight parts of a reinforcing agent blended in 100 weight parts of a rubber component including (a) + (b). The high cis polybutadiene is synthesized using a cobalt-based catalyst and satisfies the requirements of: (i) a Mooney viscosity (ML) of 40-49; (ii) a molecular weight distribution [Weight average molecular weight (Mw)/Number average molecular weight (Mn)] of 3.0-3.9; and (iii) a velocity dependence index (n-value) of the Mooney viscosity of 2.3-3.0.

    RUBBER COMPOSITION FOR GOLF BALL
    9.
    发明授权
    RUBBER COMPOSITION FOR GOLF BALL 有权
    高尔夫球用橡胶组合物

    公开(公告)号:EP2062620B1

    公开(公告)日:2011-09-28

    申请号:EP07767554.4

    申请日:2007-06-26

    摘要: The object is to provide a rubber composition for a high-strength golf ball which has a high hardness, high resiliency, excellent processability and improved filler dispersibility, by adjusting each of the Mooney viscosity, the molecular weight distribution and the n value (the rate-dependent index for Mooney viscosity) of a high-cis-polybutadiene rubber using a cobalt catalyst to a value falling within a specific range. The rubber composition comprises 100 parts by weight of a high-cis-polybutadiene synthesized using a cobalt catalyst and 10 to 50 parts by weight of a co-crosslinking agent, wherein the high-cis-polybutadiene satisfies the following requirements (a) to (c): (a) the Mooney viscosity (ML) is 40 to 55; (b) the molecular weight distribution [a weight average molecular weight (MW)/a number average molecular weight (Mn)] is 3.0 to 4.2; and (c) the rate-dependent index of Mooney viscosity (n value) is 2.3 to 3.0.

    摘要翻译: 本发明的目的在于提供一种高强度高尔夫球用橡胶组合物,该橡胶组合物具有高硬度,高回弹性,优异的加工性和改进的填料分散性,通过调节门尼粘度,分子量分布和n值(速率 使用钴催化剂的高顺式聚丁二烯橡胶的门尼粘度指数为特定范围内的值。 所述橡胶组合物包含100重量份的使用钴催化剂合成的高顺式聚丁二烯和10-50重量份的共交联剂,其中所述高顺式聚丁二烯满足以下要求(a)至( c):(a)门尼粘度(ML)为40至55; (b)分子量分布[重均分子量(MW)/数均分子量(Mn)]为3.0-4.2; (c)门尼粘度的速率依赖指数(n值)为2.3〜3.0。