PROCESS FOR THE PREPARATION OF PULVERULENT MIXTURES FLUIDS OF RUBBER AND FILLER CONTAINING POSSIBLE PLASTICIZING OIL

摘要

The invention relates to a process for preparing fluid powder mixtures of rubber and filler. /P P According to the invention, the rubber solution is emulsified in water in the presence of an anionic emulsifier and protective colloids, the whole is poured into an aqueous solution of fillers and the whole is poured into a precipitating bath with a pH of 1.0 to 5.0 which contains sodium silicate /P P The powders obtained according to the process are well stored and easy to transport.