The invention relates to an elastomer composition based on: a. 7 phr to 45 phr of a first diene elastomer, which is an isoprene elastomer, b. 10 phr to 45 phr of a second diene elastomer, which is a copolymer of butadiene and a vinyl aromatic monomer, c. C. From 10 phr to 55 phr of a third non-functionalized diene elastomer, c. From 10 phr to 55 phr of a second non-functionalized diene elastomer, c. From 10 phr to 55 phr of a third non-functionalized diene elastomer, c. From 10 phr to 55 phr of a second non-functionalized diene elastomer, c. From 10 phr to 55 phr of a second non-functionalized diene elastomer, c. From 0 phr to 50 phr of a third non-functionalized diene elastomer, and d. From 0 phr to 50 phr of a second non-functionalized diene elastomer, the present invention relates to a thermoplastic elastomer composition comprising: d. 0 to 5 phr of a third non-functionalized diene elastomer which is a copolymer of butadiene and a vinyl aromatic monomer and which has a glass transition temperature strictly greater than-65 DEG C and less than or equal to-30 DEG C, d. 40 to 85 phr of a fourth diene elastomer which is polybutadiene, e. 40 to 85 phr of silica as reinforcing filler, e. 0 to 5 phr of a third non-functionalized diene elastomer which is a copolymer of butadiene and a vinyl aromatic monomer and which has a glass transition temperature strictly greater than-65 DEG C and less than or equal to-30 DEG C, d. 0 to 5 phr of a second diene elastomer which is f. At least one agent for coupling silica to at least one of the diene elastomers, g. 0 phr to 9 phr of at least one plasticizer, h. At least one crosslinking system. The invention also relates to a tire tread comprising a composition as described above and to a tire comprising at least one such composition or comprising one such tire tread.

    本发明涉及一种弹性体组合物,所述弹性体组合物基于:a.7phr至45phr的第一二烯弹性体,所述第一二烯弹性体为异戊二烯弹性体,b.10phr至45phr的第二二烯弹性体,所述第二二烯弹性体为丁二烯和乙烯基芳族单体的共聚物,所述共聚物在其结构内包含至少一个通过硅原子键合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团,并且所述共聚物具有严格小于‑70℃的玻璃化转化温度,c.10phr至55phr的第三非官能化二烯弹性体,所述第三非官能化二烯弹性体为丁二烯和乙烯基芳族单体的共聚物,并且具有严格大于‑65℃且小于或等于‑30℃的玻璃化转变温度,d.0phr至5phr的第四二烯弹性体,所述第四二烯弹性体为聚丁二烯,e.40phr至85phr的作为增强填料的二氧化硅,f.至少一种用于将二氧化硅偶联至至少一种所述二烯弹性体的试剂,g.0phr至9phr的至少一种增塑剂,h.至少一种交联体系。本发明还涉及一种包含如上文所述的组合物的轮胎胎面和一种包含至少一种这样的组合物或包括一种这样的轮胎胎面的轮胎。


    Access

    Download


    Export, share and cite



    Title :

    Elastomeric compositions with improved properties


    Additional title:

    具有改善的性质的弹性体组合物


    Contributors:

    Publication date :

    2024-09-17


    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



    ELASTOMERIC COMPOSITIONS COMPRISING IONOMERS

    VARGANTWAR PRUTHESH HARIHARRAO / IGNATZ-HOOVER FREDERICK / BASU SOUMENDRA KUMAR et al. | European Patent Office | 2016

    Free access

    ELASTOMERIC COMPOSITIONS AND THEIR APPLICATIONS

    FREDERIC GUBBELS / VICTOR BAILY / GREGORY CHAMBARD | European Patent Office | 2020

    Free access

    Propylene copolymers in elastomeric compositions

    D'CRUZ BERNARD / JACOB SUNNY / RODGERS MICHAEL BRENDAN et al. | European Patent Office | 2016

    Free access

    ELASTOMERIC COMPOSITIONS COMPRISING EPDM AND EPR

    DHARMARAJAN NARAYANASWAMI / WALKER RON / LOYD SCOTT | European Patent Office | 2018

    Free access

    ELASTOMERIC COMPOSITIONS COMPRISING EPDM AND EPR

    DHARMARAJAN NARAYANASWAMI / WALKER RON / LOYD SCOTT H | European Patent Office | 2023

    Free access