RECLAIM RUBBER AND RUBBER MIXTURE FOR FOOTING MAKING ON ITS BASE Russian patent published in 1995 - IPC

FIELD: rubber industry. SUBSTANCE: reclaim rubber has, mas. p.: edge of porous rubber on the basis of butadienestyrene, butadienemethylstyrene and butadiene rubber 100; styrene-indene resin 11.4-15.2; petroleum-polymeric resin 25.7-26.5; alkylphenolamine resin modified with 5-50 wt.-% vat residue in styrene production 7.9-15.8. Rubber mixture has, mas. p.: butadiene, butadienestyrene, styrene rubber at the ratio 12.95:55.95:31.1-100; reclaim rubber 24.6-49.2; alkylphenolamine resin modified with 5-50 wt.-% vat residue in styrene production 3.9-7.8; softening agents 10-15; silica filler 20-27; kaolin 50.4-69.4; sulfur 4.0-6.2; 2-mercaptobenzthiazole 0.6-1.4; phthalic anhydride 0.65-1.45; rubber flour 19.9-25.1, and zinc oxide 4-8. EFFECT: enhanced quality of reclaim rubber. 6 tbl