An object of the present disclosure is to provide a polymer exhibiting reduced heat generation in a low strain region. To achieve the object, the present disclosure provides a multi-component copolymer, comprising a non-conjugated olefin unit, a conjugated diene unit, and an aromatic vinyl unit, characterized in that: a ratio [(C100-120/C0-1000)×100] of crystallinity (C100-120) derived from the non-conjugated olefin unit at 100-120° C. with respect to crystallinity (C0-100) derived from the non-conjugated olefin unit at 0-100° C., as measured by a differential scanning calorimeter (DSC), is 23% or less.


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    Title :

    MULTI-COMPONENT COPOLYMER, RUBBER COMPOSITION, RESIN COMPOSITION, TIRE, AND RESIN PRODUCT


    Contributors:

    Publication date :

    2022-07-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    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



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