Process for the manufacture of a self-sealing elastomer composition comprising at least one diene elastomer, one hydrocarbon resin with a given softening temperature and one liquid plasticizing agent, characterized in that it comprises the following successive stages: (a) incorporating the hydrocarbon resin in the diene elastomer by kneading these components in a mixer at a temperature or up to a temperature referred to as “hot compounding” temperature greater than the softening temperature of the hydrocarbon resin, in order to obtain a masterbatch; (b) incorporating the liquid plasticizing agent in the masterbatch by kneading the combined mixture in the same mixer or in a different mixer, in order to obtain the self-sealing composition; and (c) forming the said self-sealing composition dimensionally.
METHOD OF MANUFACTURING A SELF-SEALING COMPOSITION
2015-10-29
Patent
Electronic Resource
English
IPC: | B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING , Mischen, z.B. Lösen, Emulgieren, Dispergieren / C09J ADHESIVES , Klebstoffe / B29C Formen oder Verbinden von Kunststoffen , SHAPING OR JOINING OF PLASTICS / B60C VEHICLE TYRES , Fahrzeugreifen / C08J Verarbeitung , WORKING-UP / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
Self-sealing composition, self-sealing tire, and method for manufacturing self-sealing tire
European Patent Office | 2023
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