POLYMERIC COMPOSITION Russian patent published in 2003 - IPC

FIELD: chemistry of polymers. SUBSTANCE: invention relates to production of color, in part white high-filled polymeric compositions. The composition comprises the following components, wt.-%: natural rubber, 14-30; butadiene rubber, 1.0-1.84; non-oil-filled rubber, 1.0-16.6; zinc white, 1-13; silicic acid, 4.5-25.00; stearic acid, 0.3-3.0; polymeric sulfur, 1.1-11.39; diphenylguanidine, 0.1-3.0; tetramethylthiuram disulfide, 0.01-1.00; phthalic anhydride, 0.03-0.20; pigment, 0.18-2.5; abrasive powder, 2.0-41.95. Invention provides the prolonged exploitation time due to elevation of Shore hardness value up to 98 ± 3 arbitrary units and adhesion value up to 3.3 MPa to metallic backing. Invention can be used in production of articles and materials with high hardness and adhesion values to metallic backing ebonite, rubber-metallic articles, polymeric base for abrasive powders of different types. EFFECT: enhanced, improved and valuable properties of composition. 1 tbl, 5 ex