ELASTOMERIC COMPOSITE AND METHOD FOR PRODUCTION THEREOF Russian patent published in 2013 - IPC C08J3/22 C08L7/00 C08L21/02 C08K3/04 

FIELD: chemistry.

SUBSTANCE: invention relates to methods of producing elastomeric composites and composites obtained using said methods. The method involves mixing a first aqueous fluid medium containing elastomeric latex with a second aqueous fluid medium containing filler particles; stimulating coagulation of the elastomeric latex to obtain mother batch crumbs; bringing the level of water content of the mother batch crumbs to a value ranging from about 1 wt % to about 20 wt % to obtain an anhydrous coagulum; removing water from the anhydrous coagulum by exposing the anhydrous coagulum to mechanical energy, resulting in heating of the anhydrous coagulum due to friction, wherein the anhydrous coagulum reaches temperature from about 130°C to about 190°C, where the level of water content is reduced to a value from about 0.5% to about 3%, and where the entire reduction of the level of water content is achieved by evaporation to obtain a plasticised mother batch; and exposing the plasticised mother batch to mechanical energy of at least 0.3 MJ/kg, with further reduction of the level of water content.

EFFECT: invention reduces viscosity of mother batches, improves filler dispersion, simplifies preparation of mother batches for producing a vulcanised rubber product.

48 cl, 6 dwg, 22 tbl, 13 ex