CURABLE RUBBER COMPOUND Russian patent published in 2004 - IPC

FIELD: rubber industry.

SUBSTANCE: rubber compound is prepared from unsaturated rubber, vulcanization substance, filler, and other ingredients. Rubber compound is further supplemented by 0.5 to 5.0 wt parts (per 100 wt parts rubber) of antiaging agent composed of liquid alloy of antiaging agents prepared at 70-90^оС at following proportions of components, wt parts: N-isopropyl-N-phenyl-p-phenylenediamine 35-40, N,N'-diphenyl-p-phenylenediamine 10-24, 2-mercaptobenzothiazole 6-10, ε-caprolactam 35-40, and powder carrier in amount 50-85 wt parts per 15-50 wt parts of alloy of antiaging agents.

EFFECT: increased heat-oxidative resistance of rubbers.

6 tbl, 6 ex