The invention relates to a tyre that has an improved performance balance, the tread of which includes a rubber composition based on at least one elastomer matrix, a reinforcing filler and a vulcanization system, in which the elastomer matrix comprises from 35 to 95 parts by weight per hundred parts by weight of elastomer, phr, of a first diene elastomer, the first diene elastomer being a butadeiene- and styrene-based copolymer, said copolymer comprising within its structure at least one alkoxysilane group linked to the elastomer by the silicon atom, and at least one function comprising a nitrogen atom, and having a vitreous transition temperature of less than -70DEG C, from 5 to 40 phr of a second elastomer, said second diene elastomer being isoprene elastomer.

    本发明涉及具有改进的性能平衡的轮胎,所述轮胎的胎面包含橡胶组合物,所述橡胶组合物基于至少一种弹性体基质、增强填料和硫化体系,其中弹性体基质包含35至95重量份/百重量份弹性体(phr)的第一二烯弹性体和5phr至40phr的第二弹性体,所述第一二烯弹性体为基于丁二烯和苯乙烯的共聚物,所述共聚物在其结构内包含至少一个通过硅原子连接至弹性体的烷氧基硅烷基团和至少一个包含氮原子的官能,并具有小于‑70℃的玻璃化转变温度,所述第二二烯弹性体为异戊二烯弹性体。


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    Title :

    RUBBER COMPOSITION FOR A TYRE TREAD


    Additional title:

    用于轮胎胎面的橡胶组合物


    Contributors:

    Publication date :

    2021-06-25


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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