The present invention relates to a process for manufacturing a rubber composition based on at least one natural rubber and on one reinforcing filler, which process comprises the following steps (a) and (b): • (a) the addition, to a fresh natural rubber field latex, of a substance selected from the group consisting of proteases, surfactants and mixtures thereof, in order to produce a treated latex, • (b) the removal of water from the natural rubber. The process in accordance with the invention makes it possible to prepare a rubber composition based at least on natural rubber and on a reinforcing filler that has a reduced hysteresis without degradation of its limiting properties.
PROCEDE DE FABRICATION D’UNE COMPOSITION DE CAOUTCHOUC A BASE DE CAOUTCHOUC NATUREL.
2017-09-01
Patent
Electronic Resource
French
IPC: | C08J Verarbeitung , WORKING-UP / B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED , Vorbereiten oder Vorbehandeln der zu verformenden Masse / 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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