Provided are copolymers which provide improved overall performance in terms of fuel economy and wet grip performance, as well as rubber compositions and tires containing the copolymers. Included is a copolymer obtained by copolymerizing an aromatic vinyl compound, a conjugated diene compound, and a compound represented by the formula (1) below or by copolymerizing a conjugated diene compound and a compound represented by the formula (1) below, the copolymer having a weight average molecular weight of 1.0*10<3> to 2.5*10<6>, wherein R<1> and R<2> may be the same or different and each represents a functional group containing at least two selected from the group consisting of carbon, hydrogen, and silicon, and R<1> and R<2> may be joined together to form a ring structure.
本发明所要解决的问题是提供一种可改善燃料经济性和湿抓地性能的综合性能的共聚物以及使用该共聚物的橡胶组合物和轮胎。解决该问题的技术方案是涉及一种共聚物,其是将芳香族乙烯基化合物、共轭二烯化合物和下式(1)所示的化合物,或者共轭二烯化合物和下式(1)所示的化合物共聚而获得的重均分子量为1.0×103~2.5×106的共聚物。[化1](式中,R1、R2为可相同也可不同的包含选自碳、氢和硅中的至少两种的官能团。R1、R2也可相互键合形成环结构)。
COPOLYMER, RUBBER COMPOSITION, AND TIRE
共聚物、橡胶组合物和轮胎
2021-07-27
Patent
Electronic Resource
Chinese
IPC: | C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |