Provided are a modified conjugated diene polymer, a rubber composition, and a tire, having excellent low-loss properties and durability. Further provided is a method for manufacturing a modified conjugated diene polymer, the method enabling the manufacture of the modified conjugated diene polymer according to the present invention. A modified conjugated diene polymer having two or more modified groups in each molecule of the modified conjugated diene polymer, and in which the modified groups between the molecules have noncovalent bonds having an energy of 10-250 kJ/mol. A rubber composition including the modified conjugated diene polymer. A tire obtained using the rubber composition. A method for manufacturing a modified conjugated diene polymer, the method including i) a step for anionically polymerizing at least a conjugated diene compound in the presence of an alkali metal compound and forming a conjugated diene polymer, ii) a step for furthermore adding an alkali metal compound toa conjugated diene polymer, and iii) a step for reacting the product obtained in step ii) with a modifying agent and introducing a modified group to the conjugated diene polymer.

    提供了低损耗性和耐久性都优异的改性共轭二烯系聚合物、橡胶组合物和轮胎。还提供了一种制造改性共轭二烯系聚合物的方法,该方法能够制造根据本发明的改性共轭二烯系聚合物。一种改性共轭二烯系聚合物,其在该改性共轭二烯系聚合物的每个分子中具有两种或更多种改性基团,并且其中分子之间的改性基团具有能量为10~250kJ/mol的非共价键。一种橡胶组合物,其包括所述改性共轭二烯系聚合物。一种轮胎,其是使用该橡胶组合物而获得的。一种制造该改性共轭二烯系聚合物的方法,该方法包括:i)在碱金属化合物的存在下使至少一种共轭二烯化合物进行阴离子聚合并形成共轭二烯系聚合物的步骤;ii)进一步将碱金属化合物添加到共轭二烯系聚合物中的步骤;以及iii)使步骤ii)中获得的产物与改性剂反应并将改性基团引入到所述共轭二烯系聚合物中的步骤。


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    Title :

    MODIFIED CONJUGATED DIENE POLYMER, RUBBER COMPOSITION, TIRE, AND METHOD FOR MANUFACTURING MODIFIED CONJUGATED DIENE POLYMER


    Additional title:

    改性共轭二烯系聚合物、橡胶组合物、轮胎和制造改性共轭二烯系聚合物的方法


    Contributors:

    Publication date :

    2020-04-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen