Silica reinforced rubber composition
    14.
    发明授权
    Silica reinforced rubber composition 失效
    硅胶增强橡胶组合物

    公开(公告)号:US5679729A

    公开(公告)日:1997-10-21

    申请号:US681031

    申请日:1996-07-22

    CPC分类号: C08K5/103 C08K5/01 C08K5/375

    摘要: The present invention relates to a silica reinforced rubber composition and pneumatic tires having treads comprised of the silica reinforced rubber compositions. The silica reinforced rubber composition comprises an elastomer, silica, optionally carbon black and a silica coupler of the formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 individually represent hydrogen or an alkyl of 1 to 6 carbon atoms; X represents oxygen or sulfur; and Z represents a hydroxyalkyl group of 2 to 7 carbon atoms.

    摘要翻译: 本发明涉及二氧化硅增强橡胶组合物和具有由二氧化硅增强橡胶组合物组成的胎面的充气轮胎。 二氧化硅增强橡胶组合物包含弹性体,二氧化硅,任选炭黑和下式的二氧化硅偶联剂:其中R 1,R 2和R 3各自表示氢或1-6个碳原子的烷基; X表示氧或硫; Z表示2〜7个碳原子的羟烷基。

    Diaryl-p-phenylenediamine disulfides
    16.
    发明授权
    Diaryl-p-phenylenediamine disulfides 失效
    二芳基对苯二胺二硫化物

    公开(公告)号:US06627686B1

    公开(公告)日:2003-09-30

    申请号:US09655684

    申请日:2000-09-06

    IPC分类号: C08K517

    摘要: The present invention relates to mixed diaryl-p-phenylenediamine disulfides and its use in compounds. The mixed diaryl-p-phenylenediamine are of the formula and mixtures thereof wherein R1 and R2 are each independently selected from the group consisting of hydrogen and alkyls having from 1 to 8 carbon atoms.

    摘要翻译: 本发明涉及混合二芳基对苯二胺二硫化物及其在化合物中的用途。 混合的二芳基对苯二胺具有下式及其混合物,其中R 1和R 2各自独立地选自氢和具有1至8个碳原子的烷基。