| abstract |
The invention relates to a method for manufacturing a composition based on at least one diene elastomer, an inorganic filler as reinforcing filler and a coupling agent for said inorganic filler with the diene elastomer, said coupling agent responding. to the general formula (OR1) 3-a (R2) a Si-Z1-Sx-Z2-Si (R4) b (OR3) 3-b (I) defined in the claims, said method comprising steps:n (A) introducing, into a mixer, said elastomer, said inorganic filler, said coupling agent of general formula (I),n (B) mixing, ensuring that the temperature of the mixture remains less than or equal to 170 ° C.,n (C) regulating the speed of rotation of the rotors so as to bring the temperature of the mixture of step (B) in a range from 180 ° C to 240 ° C,n (D) cooling the mixture obtained in the previous step. |