POLYMER, POLYMER-CONTAINING RUBBER MIXTURE, CROSS-LINKED RUBBER MIXTURE, OBTAINED BY CROSS-LINKING OF RUBBER MIXTURE, AND TYRE, WHICH CONTAINS CROSS-LINKED RUBBER MIXTURE Russian patent published in 2015 - IPC C08F36/08 C08F4/54 C08F4/606 B60C1/00 

FIELD: chemistry.

SUBSTANCE: invention relates to polymer, which represents synthesised polyisoprene or isoprene copolymer, rubber mixture, which contains such polymer, and tyre, which contains said rubber mixture. Polymer by invention contains residual catalyst, obtained from catalyst, applied in polymerisation in quantity 300 ppm or less.

EFFECT: obtaining polymer, capable of producing cross-linked rubber mixture with improved wear resistance, that is stability to rupture, abrasion and crack growing.

8 cl, 3 tbl, 3 ex