To provide a coating agent used for producing a rubber product which has a coating film excellent in solvent resistance and is excellent in ozone resistance, and to provide such a rubber product and a pneumatic tire.SOLUTION: The coating agent, which is applied onto a surface of a rubber base material to form a coating film, comprises a main agent and a curing agent. The main agent contains a polymer obtained by polymerizing a (meth)acrylate, and a solvent. The polymer has a hydroxyl group. The curing agent contains an isocyanate compound. A coating film formed using the coating agent has an elongation at break of 50% or more.SELECTED DRAWING: None

    【課題】耐溶剤性に優れる被膜を有し、耐オゾン性に優れるゴム製品の製造に用いられる塗布剤、並びに、そのようなゴム製品、及び空気入りタイヤを提供する。【解決手段】ゴム基材の表面上に塗布し被膜を形成するための塗布剤であって、塗布剤が主剤と硬化剤とを有し、主剤が(メタ)アクリル酸エステルを重合してなる重合体及び溶剤を含有し、上記重合体が水酸基を有し、硬化剤がイソシアネート化合物を含有し、塗布剤を用いて形成される被膜の切断時伸びが50%以上となる、塗布剤。【選択図】なし


    Access

    Download


    Export, share and cite



    Title :

    COATING AGENT, RUBBER PRODUCT, AND PNEUMATIC TIRE


    Additional title:

    塗布剤、ゴム製品、及び空気入りタイヤ


    Contributors:

    Publication date :

    2019-01-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C09D Überzugsmittel, z.B. Anstrichstoffe, Firnisse oder Lacke , COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS / B60C VEHICLE TYRES , Fahrzeugreifen



    RUBBER PRODUCT AND PNEUMATIC TIRE

    MIYAZONO TOSHIYA | European Patent Office | 2021

    Free access

    RUBBER COMPOSITION, VULCANIZED RUBBER PRODUCT, AND PNEUMATIC TIRE

    SAKAI SATOYUKI | European Patent Office | 2017

    Free access

    Pneumatic rubber tire

    SHI DELONG | European Patent Office | 2015

    Free access

    RUBBER COMPOSITION FOR TIRE FIBER COATING MEMBER, TIRE FIBER COATING MEMBER, AND PNEUMATIC TIRE

    KUNIZANE TAKAO / KOJIMA MASAAKI | European Patent Office | 2021

    Free access

    STEEL CORD COATING RUBBER COMPOSITION AND PNEUMATIC TIRE

    NODA ASUKA | European Patent Office | 2024

    Free access