Block copolymer and polymer modified bituminous binder composition for use in base course asphalt paving application
    10.
    发明授权
    Block copolymer and polymer modified bituminous binder composition for use in base course asphalt paving application 有权
    用于基础沥青铺路应用的嵌段共聚物和聚合物改性沥青粘合剂组合物

    公开(公告)号:US08357735B2

    公开(公告)日:2013-01-22

    申请号:US13427651

    申请日:2012-03-22

    Abstract: The present invention provides a polymeric composition that includes a coupled block copolymer having a plurality of arms comprising at least two blocks of a monovinylaromatic hydrocarbon that are located on at least two of the plurality of arms, and at least one block of a conjugated diene located on at least one of the plurality of arms, and optionally one or more block copolymers comprising at least one block of monovinylaromatic hydrocarbon and at least one block of a conjugated diene, the block copolymer may be selected from linear copolymers, linear triblock copolymers, multiarm coupled block copolymers, and mixtures thereof. The molecular weight of the polymeric composition is in the range from about 100 kg/mol to about 400 kg/mol.

    Abstract translation: 本发明提供一种聚合物组合物,其包括具有多个臂的偶联嵌段共聚物,所述多个臂包含至少两个位于所述多个臂中的至少两个臂上的单乙烯基芳烃的嵌段和至少一个共轭二烯的嵌段 在多个臂中的至少一个上,以及任选的一个或多个包含至少一个单乙烯基芳烃嵌段和至少一个共轭二烯嵌段的嵌段共聚物,该嵌段共聚物可以选自线性共聚物,线性三嵌段共聚物,多元共聚物 偶联嵌段共聚物及其混合物。 聚合物组合物的分子量在约100kg / mol-约400kg / mol的范围内。

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