The present invention relates to methods for removing carbon from a char product that is formed by heating a silica-containing rubber compound in an inert atmosphere or under vacuum. The method includes heating the char product in an oxidising atmosphere to remove the carbon material leaving a silica-containing product. The methods are particularly applicable to vehicle tyre rubber compositions. Silica-containing products obtained by these methods and rubber compositions incorporating such silica-containing products are also aspects of the invention.
SILICA-CONTAINING RUBBER PROCESSING METHOD AND SILICA-CONTAINING PRODUCT OBTAINABLE THEREOF
VERARBEITUNGSVERFAHREN FÜR KIESELERDE-KAUTSCHUK SOWIE KIESELERDE-PRODUKTE DADURCH ERHÄLTLICH
PROCÉDÉ DE TRAITEMENT DU CAOUTCHOUC CONTENANT DE LA SILICE ET PRODUIT CONTENANT DE LA SILICE SUSCEPTIBLE D'ÊTRE OBTENU PAR LEDIT PROCÉDÉ
2018-05-16
Patent
Electronic Resource
English
IPC: | B09B DISPOSAL OF SOLID WASTE , Beseitigung von festem Abfall / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / B60C VEHICLE TYRES , Fahrzeugreifen / C01B NON-METALLIC ELEMENTS , Nichtmetallische Elemente / C08K Verwendung von anorganischen oder nichtmakromolekularen organischen Stoffen als Zusatzstoffe , USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS |
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