The present invention addresses the problem of providing a copolymer having reduced heat generation in low-strain areas. The solution for said problem being a multi-component copolymer comprising a non-conjugated olefin unit, a conjugated diene unit, and an aromatic vinyl unit, the multi-component copolymer characterized in that the ratio [(C100-120/C0-100) plus 100] of crystallinity (C100-120) derived from the non-conjugated olefin unit at 100-120 DEG C relative to crystallinity (C0-100) derived from the non-conjugated olefin unit at 0-100 DEG C, as measured by a differential scanning calorimeter (DSC), is 23% or less.

    本发明所要解决的问题为提供一种共聚物,其在低应变区域中具有降低的发热性。所述问题的解决方案为一种多元共聚物,其包括非共轭烯烃单元、共轭二烯单元、和芳香族乙烯基单元,所述多元共聚物的特征在于,通过差示扫描量热计(DSC)测量的在100‑120℃的源自所述非共轭烯烃单元的结晶度(C100‑120)相对于在0‑100℃的源自所述非共轭烯烃单元的结晶度(C0‑100)的比率[(C100‑120/C0‑100)×100]为23%以下。


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    Titel :

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


    Weitere Titelangaben:

    多元共聚物、橡胶组合物、树脂组合物、轮胎以及树脂制品


    Beteiligte:
    SHODA YASUHIRO (Autor:in) / TANEMURA SHUN (Autor:in)

    Erscheinungsdatum :

    24.12.2021


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / 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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