FIELD: rubber industry. SUBSTANCE: rubber compound includes, wt.parts: diene rubber, 100; sulfur, 1-3; zinc oxide, 3.0-5.5; vulcanization accelerator, 1-3; scorching retardant (phthalic anhydride), 0.5-1.0; antioxidant, 1-5; plasticizer, 5-20; and carbon black, 20-70; said diene rubber being butadiene/styrene/methylmethacrylate [(68-85)/(11-20)/(4-12)] copolymer. EFFECT: improved dynamic properties, rupture and wear resistance, and increased friction coefficient of vulcanizate. 2 tbl, 4 ex
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Authors
Dates
2003-02-27—Published
2001-02-13—Filed