PROBLEM TO BE SOLVED: To provide a polymer modifier composition for modifying a polymer having an unsaturated carbon-carbon bond, containing a nitrone compound having a carboxyl group, wherein the nitrone compound exhibits high reaction rate even when the polymer is modified at low temperature, a modified polymer obtained by modifying a polymer having the unsaturated carbon-carbon bond by the polymer modifier composition, a rubber composition containing the modified polymer and a tire using the rubber composition.SOLUTION: There is provided a polymer modifier composition for modifying a polymer having an unsaturated carbon-carbon bond, containing a nitrone compound having a carboxyl group and a zinc compound.SELECTED DRAWING: None

    【課題】カルボキシ基を有するニトロン化合物を含有する、不飽和炭素−炭素結合を有するポリマーを変性するためのポリマー変性剤組成物であって、低温で上記ポリマーを変性した場合であっても、上記ニトロン化合物が高い反応率を示すポリマー変性剤組成物、不飽和炭素−炭素結合を有するポリマーを上記ポリマー変性剤組成物で変性することで得られる変性ポリマー、上記変性ポリマーを含有するゴム組成物、及び、上記ゴム組成物を使用したタイヤを提供する。【解決手段】カルボキシ基を有するニトロン化合物と、亜鉛化合物とを含有する、不飽和炭素−炭素結合を有するポリマーを変性するためのポリマー変性剤組成物。【選択図】なし


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    Title :

    POLYMER MODIFIER COMPOSITION, MODIFIED POLYMER, RUBBER COMPOSITION AND TIRE


    Additional title:

    ポリマー変性剤組成物、変性ポリマー、ゴム組成物及びタイヤ


    Contributors:

    Publication date :

    2017-04-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C08C TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS , Behandlung oder chemische Modifizierung von Kautschuken / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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