Patent ID: 6319994
Filing Date: 2001-11-20
Classification: C08C,C08F,C08J,C08L,Y02T

Abstract:
A process for the preparation of rubber blends containing one or more solution-polymerized rubber comprising hydroxyl groups, synthesized from diolefins and vinylaromatic monomers, wherein said at least one solution-polymerized rubber containing primary hydroxyl groups contain in the range of 0.1 to 5 wt. % of bonded hydroxyl groups, comprising the steps ofa) adding to a solution of, said at least one solution-polymerized rubber containing hydroxyl groups, one or more fillers, in amounts ranging from 0.5 to 500 parts by weight, based on 100 parts by weight of rubber, and optionally other working-up and/or processing and/or stabilizing aids, andb) removing the solvent.