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    • 10. 发明公开
    • Modified conjugated diene rubber, method and composition thereof
    • 维多利亚德·梵文
    • EP2604631A1
    • 2013-06-19
    • EP12190409.8
    • 2012-10-29
    • TSRC Corporation
    • Hsieh, Chi-ChenLin, FuTsai, Chi-TaLin, Hui-KaiLin, Bo-Han
    • C08C19/44C08F36/14C08F36/06C08F136/06
    • C08C19/44C08C19/22C08C19/25C08F4/56C08F8/30C08F36/04C08F36/06C08F36/08C08K3/36C08L15/00
    • A modified conjugated diene rubber is made by the method including step (a): reacting an alkali metal ion-containing conjugated diene rubber with a first modifier having a structural formula (I),

      wherein R 1 , R 2 , R 3 are each independently selected from the group consisting of C 1 -C 12 of alkyl and C 2 -C 12 of alkenyl groups and C 6 -C 12 of aromatic group, and R 4 is selected from the group consisting of C 1 -C 12 of alkyl, C 2 -C 12 of alkenyl, C 1 -C 12 of alkoxy groups and C 6 -C 12 of aromatic group; and step (b): adding a second modifier having a structural formula (II) after the step (a),

               (II) HO - R 5 - Y

      wherein R 5 is selected from the group consisting of C 1 -C 12 of alkylene, C 2 -C 12 of alkenylene, C 3 -C 12 of alicyclic groups and C 6 -C 12 of aromatic group, and Y is selected from the group consisting of oxygen-containing C 1 -C 12 group and nitrogen-containing C 1 -C 12 group, wherein Y has the oxygen atom or the nitrogen atom directly connected to a carbon atom of R 5 .
    • 通过包括步骤(a)的方法制备改性共轭二烯橡胶:使含碱金属离子的共轭二烯橡胶与具有结构式(I)的第一改性剂反应,其中R 1,R 2,R 3各自独立地 选自由C 1 -C 12烷基和C 2 -C 12烯基和C 6 -C 12芳基组成的组,R 4选自C 1 -C 12烷基, C 2 -C 12烯基,C 1 -C 12烷氧基和C 6 -C 12芳基; 和步骤(b):在步骤(a)之后加入具有结构式(II)的第二改性剂,€ƒ€ƒ€ƒ€ƒ€ƒ(II)HO-R 5 -Y其中 R 5选自亚烷基的C 1 -C 12,亚烯基的C 2 -C 12,脂环族的C 3 -C 12和芳香族的C 6 -C 12,Y选自 由含氧C 1 -C 12基和含氮C 1 -C 12基组成,其中Y具有与R 5的碳原子直接连接的氧原子或氮原子。