NATURAL RUBBER MIX FOR MAKING RUBBER PRODUCTS Russian patent published in 1999 - IPC

FIELD: rubber-processing industry. SUBSTANCE: present invention describes natural rubber mix which comprises fillers, softeners (plasticizers). Antiageing agents, cross- linking agents, zinc oxide and other additives, 1,4- polybutadiene with cis-moiety of more than 90% and epoxidated natural rubber, ratios of components being as follows (wt %): natural rubber containing viscosity stabilizer, fillers, softeners (plasticizers), antiageing agents, cross-linking agents, zinc oxide and other additives, 40-90; 1,4-polybutadiene with cis-moiety of more than 90%, 5-30; epoxidated natural rubber, 5-30. Natural rubber mix is used at low temperatures, is oil- resistant, has insignificant tendency to crystallize and has high permissible load. EFFECT: improved properties of the natural rubber mix. 8 cl, 2 tbl