A sealant composition for use with self-sealing tires is disclosed. The sealant composition comprises (a) the reaction product of polyisobutylene and a silane having no unsaturation and (b) a reinforcing filler. Also, a tire (2, 10) and a method of manufacturing such a tire (2, 10) is disclosed comprising this sealant composition in a sealant layer (7, 17). Furthermore, a method for reacting a silane having no unsaturation with polyisobutylene to make a reaction product of the polyisobutylene and the silane is disclosed. The method comprises reacting the polyisobutylene and the silane in the presence of a peroxide at an elevated temperature which is sufficient to cause the peroxide to break down thereby creating free radicals. Preferably, the silane has no unsaturation and has been first pre-reacted with a silicate filler.


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    Titel :

    LOW HYSTERESIS SEALANT COMPOSITION FOR SELF-SEALING TIRE


    Weitere Titelangaben:

    DICHTUNGSZUSAMMENSETZUNG MIT NIEDRIGER HYSTERESE FÜR SELBSTDICHTENDEN REIFEN
    COMPOSITION D'ÉTANCHÉITÉ À FAIBLE HYSTÉRÉSIS POUR PNEUMATIQUE AUTO-OBTURANT


    Beteiligte:

    Erscheinungsdatum :

    14.06.2023


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60C VEHICLE TYRES , Fahrzeugreifen / 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 / B29D PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE , Herstellen besonderer Gegenstände aus Kunststoff oder aus Stoffen in plastischem Zustand



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