The present invention is to provide an aromatic vinyl-diene copolymer which exhibits excellent mechanical properties and wear resistance when being formed into a tire, a method for producing the aromatic vinyl-diene copolymer, and a rubber composition containing the aromatic vinyl-diene copolymer. The aromatic vinyl-diene copolymer of an embodiment of the present invention is an aromatic vinyl-diene copolymer which is a copolymer of an aromatic vinyl and a diene, wherein the content of a repeating unit derived from an aromatic vinyl is 18 mass % or greater, among repeating units derived from a diene, a proportion of a vinyl structure is 8 mol % or less, a proportion of a 1,4-trans structure is 75 mol % or less, and a proportion of a 1,4-cis structure is from 17 to 90 mol %, and a glass transition temperature is −60° C. or lower.


    Access

    Download


    Export, share and cite



    Title :

    Aromatic vinyl-diene copolymer, method for producing aromatic vinyl-diene copolymer, and rubber composition


    Contributors:
    UENISHI KAZUYA (author) / ASHIURA MAKOTO (author) / FUJITA MOTOJI (author) / AMINO NAOYA (author) / MIHARA SATOSHI (author) / SHINKE YU (author)

    Publication date :

    2021-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen / 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 / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS



    CONJUGATED DIENE-VINYL AROMATIC HYDROCARBON COPOLYMER

    TAI CHIA-HON / HSIEH KUAN-LIN / KUO HUNG JUI | European Patent Office | 2016

    Free access

    CONJUGATED DIENE-AROMATIC VINYL COPOLYMER, RUBBER COMPOSITION AND PNEUMATIC TIRE

    SUZUKI AYAKA | European Patent Office | 2019

    Free access