FIELD: machine-building industry.
SUBSTANCE: rubber composition is made by mixing low-molecular polymer (B) based on conjugated dienes characterised by the presence of functional group, content of aromatic vinyl composition in the interval from 0 to less than 5% (wt), and weight-average molecular weight measured without chain breaking as a result of modification by gel permeation chromatography method and calculated to polystyrene, no less than 2000, but less than 150000, and filling element (C) to high-molecular rubber component (A), which is specific by weight-average molecular weight measured without chain breaking as a result of modification by gel permeation chromatography method and calculated to polystyrene, no less than 2000, but less than 150000 and their vulcanisation. The functional group of B polymer is selected from tin-, silicon- and nitrogen containing groups. The nitrogen containing group is derived from a group consisting of isocyanine, tio isocyanine, aminobenzophenone compositions, carbamide derivatives, ketimine or aldimine compositions containing relation C=N-C and cyclic amide compositions.
EFFECT: invention allows for producing good balance between flibility at low temperature and low resistance to rolling.
38 cl, 14 tbl, 16 ex
