FIELD: chemistry.
SUBSTANCE: invention relates to diene rubber compositions reinforced with inorganic filler, which can be used particularly for making tyres or intermediate products for tyres, including treads. The composition is based on at least: one diene elastomer, one sulphur-based crosslinking system, one inorganic filler as a reinforcing filler, one crosslinking agent of general formula: (HO)3-nR1 nSi-Z-Sm-R2, wherein each of groups R1, which are identical or different, is a monovalent hydrocarbon-based group selected from alkyl groups which are linear or branched, cycloalkyl or aryl groups containing 1-18 carbon atoms; R2 is a monovalent hydrocarbon-based group selected from alkyl groups which are linear or branched, cycloalkyl or aryl groups containing 1-30 carbon atoms; Z is a divalent linking group containing 1-18 carbon atoms; n is a number equal to 0, 1 or 2; and m is a number greater than or equal to 2.
EFFECT: binding agents make it possible to improve processability of compositions containing same in an uncured state, and also improve processing safety.
13 cl, 4 tbl
