An object of the present invention is to provide a multicomponent copolymer for use for producing a crosslinked rubber composition and a rubber product excellent in fracture performance (strength and elongation) at high temperatures while maintaining high weather resistance. Further, the invention provides a rubber composition containing the multicomponent copolymer, a crosslinked rubber composition obtained by crosslinking the rubber composition, and a rubber product and a tire using the rubber composition or the crosslinked rubber composition. The multicomponent copolymer of the invention contains a conjugated diene unit, a non-conjugated olefin unit and an aromatic vinyl unit, wherein the main chain is formed of an acyclic structure alone, the content of the aromatic vinyl unit is 3 mol% or more of the whole multicomponent copolymer, and the content of the non-conjugated olefin unit is more than 44 mol% and less than 97 mol% of the whole multicomponent copolymer.


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    Titel :

    MULTICOMPONENT COPOLYMER, RUBBER COMPOSITION, CROSS-LINKED RUBBER COMPOSITION, RUBBER PRODUCT, AND TIRE


    Weitere Titelangaben:

    MEHRKOMPONENTEN-COPOLYMER, KAUTSCHUKZUSAMMENSETZUNG, VERNETZTE KAUTSCHUKZUSAMMENSETZUNG, KAUTSCHUKPRODUKT UND REIFEN
    COPOLYMÈRE À COMPOSANTS MULTIPLES, COMPOSITION DE CAOUTCHOUC, COMPOSITION DE CAOUTCHOUC RÉTICULÉ, PRODUIT EN CAOUTCHOUC ET PNEU


    Beteiligte:
    HORIKAWA YASUO (Autor:in) / TARDIF OLIVIER (Autor:in) / ONO YAMATO (Autor:in)

    Erscheinungsdatum :

    01.05.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    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 / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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