To provide a sealant material composition which enables securement of good sealability, and suppression of fluidization of a sealant accompanied by running.SOLUTION: A composition obtained by compounding 1 to 40 pts.mass of an organic peroxide, 0.1 to 40 pts.mass of a cross-linking agent, and more than 0 pts.mass and less than 1 pts.mass of an auxiliary cross-linking agent with 100 pts.mass of a rubber constituent containing a butyl-based rubber is used as a sealant material composition composing a sealant layer disposed on an inner surface of a pneumatic tire.SELECTED DRAWING: Figure 1

    【課題】良好なシール性を確保すると共に、走行に伴うシーラントの流動を抑制することを可能にしたシーラント材組成物を提供する。【解決手段】空気入りタイヤの内表面に配置されたシーラント層を構成するシーラント材組成物として、ブチル系ゴムを含有するゴム成分100質量部に対して、有機過酸化物1質量部〜40質量部、架橋剤0.1質量部〜40質量部、架橋助剤0質量部超1質量部未満が配合されたものを用いる。【選択図】図1


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    Title :

    SEALANT MATERIAL COMPOSITION


    Additional title:

    シーラント材組成物


    Contributors:

    Publication date :

    2021-02-22


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    C09K Materialien für Anwendungen, soweit nicht anderweitig vorgesehen , MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR / B60C VEHICLE TYRES , Fahrzeugreifen / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen



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