The present invention discloses a method for preparing high-performance tread rubber through a filler silylation reaction catalyzed in situ by an ionic liquid. The method is as follow: adding a gum rubber, a filler, a silane and an ionic liquid successively into an open mill or an internal mixer for mixing to obtain a rubber compound; high-temperature remilling the rubber compound; adding a vulcanizing package and an anti-aging agent into the remilled rubber compound at room temperature; and vulcanizing the rubber compound to obtain a vulcanized rubber. The method uses the ionic liquid as a catalyst for the silylation of filler surfaces, which effectively promotes the dispersion of a light-colored filler such as silica in the rubber, and improves the rubber-filler interfacial performance. Therefore, this method can substantially reduce an amount of the silane and improve dynamic mechanical performance of a tread rubber material, including reduced rolling resistance and heat build-up. This method has advantages such as simple technology and no additional processing equipment or step is needed, having an important prospect in preparation of the high-performance tire.
METHOD FOR PREPARING HIGH PERFORMANCE TREAD RUBBER BY FILLER SILYLATION REACTION CATALYZED IN-SITU BY IONIC LIQUID
VERFAHREN ZUR HERSTELLUNG VON HOCHLEISTUNGSFÄHIGEM LAUFFLÄCHENGUMMI DURCH FÜLLSTOFFSILYLIERUNGSREAKTION, DIE IN-SITU DURCH IONISCHE FLÜSSIGKEIT KATALYSIERT WIRD
PROCÉDÉ DE PRÉPARATION DE CAOUTCHOUC DE BANDE DE ROULEMENT DE HAUTE PERFORMANCE PAR RÉACTION DE SILYLATION DE CHARGE CATALYSÉE IN SITU PAR UN LIQUIDE IONIQUE
2021-06-09
Patent
Electronic Resource
English
European Patent Office | 2020
|European Patent Office | 2018
|European Patent Office | 2020
|Preparation method of green filler for tire tread rubber
European Patent Office | 2021
|Tread rubber composition, tread rubber and preparation method
European Patent Office | 2023
|