CURED RUBBER MIXTURE Russian patent published in 1996 - IPC

FIELD: production of roofing material, hydroinsulation of various building items. SUBSTANCE: according to the first variant proposed cured rubber mixture contains (mass parts): butyl rubber 100, sulfur 1.5-2.0, tetramethyl thiuram disulfide 0.65-1.5, 2-mercaptobenzothiazole 0.65-1.5, zinc oxide 3-6, stearic acid 2.0-3.5, technical carbon having specific surface 14-113 m² 50-100, paraffin 8-13 and stabilizing agent 0.2-1.0. According to the second variant said mixture contains (mass parts): butyl rubber 100, phenol-formaldehyde resin 8-13, dihydrate of tin chloride 1.5-3.5, zinc oxide 3-6, stearic acid 2.0-3.5, technical carbon having specific surface 14-113 m² 20-80, paraffin 3-5, mineral filler 20-80, stabilizing agent 0.2-1.0. According to the third variant proposed rubber mixture contains (mass parts): butyl rubber 100, compound having quinoid structure 1.6-5.0, manganese dioxide 0.8-2.5, zinc oxide 3-6, stearic acid 2-3.5, technical carbon having specific surface 14-113 m² 20-80, mineral filler 20-80, paraffin 3-6, stabilizing agent 0.2-1.0. EFFECT: improves quality of desired product. 2 tbl