STABILISING ADDITIVE FOR CRUSHED ROCK-MASTIC ASPHALT MIX AND PRODUCTION METHOD THEREOF Russian patent published in 2012 - IPC C08L95/00 C08L91/00 C08K13/02 

FIELD: chemistry.

SUBSTANCE: additive includes an organic binder, a structure-forming agent, sodium hydroxide and water. The organic binder is oil and fat wastes selected from: a fatty composition or gossypol resin or floatation tar or class B industrial oleic acid. The structure-forming agent used is cellulose fibre. Components are in the following ratio in wt %: cellulose fibre - 80-85, oil and fat wastes - 10-15, sodium hydroxide - 0.4-0.8, water - the balance. The stabilising additive is obtained by mixing an emulsion prepared in advance by mixing the oil and fat wastes with hot water and sodium hydroxide, and cellulose fibre followed by pressing, drying and granulation.

EFFECT: obtained additive meets all the necessary quality requirements and is obtained from ecologically clean and cheap material.

2 cl, 2 tbl, 4 ex