POLYMER COMPOSITION Russian patent published in 2010 - IPC C08L9/00 C08L91/06 C08K3/04 C08K3/06 C08K3/22 C08K5/01 C08K5/18 C08K5/3417 C08K5/44 C08J5/06 

FIELD: chemistry.

SUBSTANCE: invention relates to polymer compositions, particularly to rubber mixtures for making tyre treads and can be used in the tyre industry. The polymer composition contains the following components, in pts. wt: polybutadiene rubber SKD 20-30, polyisoprene rubber SKI-3 70-80, zinc oxide 4-5, technical carbon N339 50-55, oleic acid 1.5-2.0, sulphur 1.5-2.2, sulfenamide T 1.0-1.5, diaphene PP 1.0-1.5, Pikar hydrocarbon resin 2-3, oil PN-6s 10-15, Omsk-10 wax 1.5-2.0, acetonanyl N 1.5-2.0, santogard PVI 0.1-0.15, 3-15 mm long pieces of waste hybrid saturated cords 1.5-20.0.

EFFECT: increased extension elongation, bouncing elasticity and lower brittleness temperature.

2 cl, 4 tbl