PROBLEM TO BE SOLVED: To provide a polymer suitable as an additive for rubber that polymer chains having different properties are incorporated into a vinyl polymer.SOLUTION: There is provided a manufacturing method of a copolymer including introducing a polymer initiation group having a living radical polymerization initiation performance into a polymer by polymerizing a monomer containing at least one kind selected from a group consisting of isobutylene, isoprene and butadiene and living radical polymerizing a vinyl polymer from the polymerization initiation group. There is also provided a rubber composition consisting of the polymer. There is further provided a rubber composition by blending the polymer of 1 to 100 pts.mass with a rubber component consisting of diene rubber of 100 pts.mass.

    【課題】ビニルポリマーに特性の異なるポリマー鎖を組み込んだゴム用添加剤として好適な共重合体を提供する。【解決手段】イソブチレン、イソプレン及びブタジエンからなる群より選択された少なくとも1種を含むモノマーを重合してなるポリマーに、リビングラジカル重合開始能を有する重合開始基を導入し、前記重合開始基からビニル系モノマーをリビングラジカル重合することを特徴とする共重合体の製造方法である。また、該共重合体からなるゴム用添加剤である。更に、ジエン系ゴムからなるゴム成分100質量部に対し、該共重合体を1〜100質量部配合してなるゴム組成物である。【選択図】なし


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    Title :

    COPOLYMER AND MANUFACTURING METHOD THEREFOR, RUBBER COMPOSITION AND PNEUMATIC TIRE


    Additional title:

    共重合体及びその製造方法、並びにゴム組成物及び空気入りタイヤ


    Contributors:

    Publication date :

    2015-11-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


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



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