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    • 2. 发明申请
    • Diene rubber composition and process for producing the same
    • 二烯橡胶组合物及其制备方法
    • US20070037916A1
    • 2007-02-15
    • US10543541
    • 2004-01-30
    • Kazutaka WatanabeOsamu YatabeTakeshi KaratoYoshihiro ChinoTakahiko Fukahori
    • Kazutaka WatanabeOsamu YatabeTakeshi KaratoYoshihiro ChinoTakahiko Fukahori
    • C08K3/34
    • C08K3/36B60C1/00B60C1/0016B60C1/0025B60C15/06B60C2009/0021C08J3/215C08J2321/00C08L21/00C08L101/02C08L2666/02
    • The present invention is to provide a diene rubber composition and a cross-linked diene rubber thereof excellent in tensile strength, wear resistance and processability, keeping compatibility of both good fuel efficiency and high gripping property, and a production method thereof. What is characterized in the composition is that the composition is comprised of 100 parts by weight of a diene rubber having a molecular weight distribution expressed in terms of the ratio of the weight-average molecular weight to the number-average molecular weight of 1.1 to 30, 20 to 200 parts by weight of silica and a cationic polymer, and that a toluene-insoluble rubber content per gram of the silica within the range from 0.2 to 1 g, and diene cross-linked rubber thereof. What is characterized in the production method is that the method comprises steps of allowing rubber latex stabilized by an anionic emulsifying agent to react with an aqueous suspension of silica containing a cationic polymer and effecting co-coagulation of rubber in the rubber latex with the silica in the aqueous suspension within a specific pH range.
    • 本发明提供一种二烯橡胶组合物及其抗拉强度,耐磨性和加工性优异的交联二烯橡胶,兼具良好的燃料效率和高夹持性的兼容性及其制造方法。 组合物的特征在于该组合物由100重量份的二烯橡胶组成,二烯橡胶的分子量分布以重均分子量与数均分子量的比率表示为1.1至30 ,20〜200重量份的二氧化硅和阳离子性聚合物,每克二氧化硅的甲苯不溶性橡胶含量在0.2〜1g的范围内,和二烯交联橡胶。 制造方法的特征在于,该方法包括以下步骤:使由阴离子乳化剂稳定的橡胶胶乳与含有阳离子聚合物的二氧化硅水溶液悬浮液反应,并使橡胶胶乳中的橡胶与二氧化硅共混 水性悬浮液在特定pH范围内。
    • 5. 发明授权
    • Diene rubber composition and process for producing the same
    • 二烯橡胶组合物及其制备方法
    • US07619028B2
    • 2009-11-17
    • US10543541
    • 2004-01-30
    • Kazutake WatanabeOsamu YatabeTakeshi KaratoYoshihiro ChinoTakahiko Fukahori
    • Kazutake WatanabeOsamu YatabeTakeshi KaratoYoshihiro ChinoTakahiko Fukahori
    • C08K3/36C08J3/16
    • C08K3/36B60C1/00B60C1/0016B60C1/0025B60C15/06B60C2009/0021C08J3/215C08J2321/00C08L21/00C08L101/02C08L2666/02
    • The present invention is to provide a diene rubber composition and a cross-linked diene rubber thereof excellent in tensile strength, wear resistance and processability, keeping compatibility of both good fuel efficiency and high gripping property, and a production method thereof. What is characterized in the composition is that the composition is comprised of 100 parts by weight of a diene rubber having a molecular weight distribution expressed in terms of the ratio of the weight-average molecular weight to the number-average molecular weight of 1.1 to 30, 20 to 200 parts by weight of silica and a cationic polymer, and that a toluene-insoluble rubber content per gram of the silica within the range from 0.2 to 1 g, and diene cross-linked rubber thereof. What is characterized in the production method is that the method comprises steps of allowing rubber latex stabilized by an anionic emulsifying agent to react with an aqueous suspension of silica containing a cationic polymer and effecting co-coagulation of rubber in the rubber latex with the silica in the aqueous suspension within a specific pH range.
    • 本发明提供一种二烯橡胶组合物及其抗拉强度,耐磨性和加工性优异的交联二烯橡胶,兼具良好的燃料效率和高夹持性的兼容性及其制造方法。 组合物的特征在于该组合物由100重量份的二烯橡胶组成,二烯橡胶的分子量分布以重均分子量与数均分子量的比率表示为1.1至30 ,20〜200重量份的二氧化硅和阳离子性聚合物,每克二氧化硅的甲苯不溶性橡胶含量在0.2〜1g的范围内,和二烯交联橡胶。 制造方法的特征在于,该方法包括以下步骤:使由阴离子乳化剂稳定的橡胶胶乳与含有阳离子聚合物的二氧化硅水溶液悬浮液反应,并使橡胶胶乳中的橡胶与二氧化硅共混 水性悬浮液在特定pH范围内。