To provide a sealant composition capable of self-sealing punctures made in a tire while also reducing an excessive flow of the sealant composition in the event of a puncture.SOLUTION: A sealant composition suited to form a sealant layer in a tire contains: 100 phr of elastomers, including at least 60 phr of an isobutylene-based elastomer component and at least 5 phr of a conjugated diene-based elastomer component. The sealant composition further contains at least 5 phr of a particulate filler, at least 0.5 phr of an organic peroxide, and optionally a colorant which provides the sealant with a non-black color.SELECTED DRAWING: Figure 1

    【課題】タイヤにできたパンクをセルフシーリングすることができ、その一方でパンクの事象が生じた場合のシーラント組成物の過剰な流動も減少させるシーラント組成物を提供する。【解決手段】タイヤにシーラント層を形成するのに適合したシーラント組成物は、少なくとも60phrのイソブチレンベースのエラストマー成分、および少なくとも5phrの共役ジエンベースのエラストマー成分を含む、100phrのエラストマーを含む。シーラント組成物は、少なくとも5phrの粒状充填剤、少なくとも0.5phrの有機過酸化物、および任意に、シーラントに非黒色の色を提供する着色剤をさらに含む。【選択図】図1


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    Title :

    SEALANT COMPOSITION FOR SELF-SEALING PNEUMATIC TIRE


    Additional title:

    セルフシーリング式空気入りタイヤのためのシーラント組成物



    Publication date :

    2024-10-11


    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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