Patent ID: 6652641
Filing Date: 2003-11-25
Classification: C01P,C08K,C09C

Abstract:
A process for producing a modified carbon black for rubber reinforcement, said process consisting essentially of:initially adding, to carbon black, water-dispersed silica and an organosilane compound having the formula (I): R1nâ€”Siâ€”(OR2)4-nâ€ƒâ€ƒ(I) wherein R1 represents a hydrocarbon group having 1 to 10 carbon atoms, R2 represents a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms, n is 1 or 2, and R1 and R2 may be the same or different, and thenmixing and dispersing the mixture of carbon black, water-dispersed silica and organosilane compound.