RUBBER COMPOUND FOR MANUFACTURING FULL-PROFILED ARTICLES Russian patent published in 2003 - IPC

FIELD: rubber industry. SUBSTANCE: invention relates to manufacturing large-size fullprofiled articles, e.g. rail-way and tramway crossings and rubber road stops. Compound is composed of, wt %: regenerate 7-35, rubber-containing object machining waste 27- 64, fiber-filled object machining waste 0.7-9.0, ventilator installation waste 0.02-1.0, sulfur 0.7-3.0, curing accelerator 0.5-2.0, curing activator (industrial-grade zinc oxide) 0-1.5, scorching retardant (phthalic anhydride) 0.01-0.8, dispersant (stearic acid) 0.05-1.0, softening agent 3-20, petroleum plasticizer 4-20, and filler 3-38. EFFECT: reduced shrinkage and relative residual deformation of product, improved its frame structure, solidity, and appearance. 2 tbl