FIELD: chemistry.
SUBSTANCE: copolymer comprises monomer units forned by farnesene, a method for obtaining the copolymer, a rubber composition containing the copolymer, and the tire produced with the use of the rubber composition. The copolymer comprises a monomer unit formed by isoprene and a monomer unit formed by farnesene.
EFFECT: providing a copolymer capable of improving the dispersibility of carbon black and silicon dioxide in the rubber composition with the use of the copolymer as part of the rubber composition, improving the technological properties of the rubber composition during mixing, moulding or vulcanization, providing excellent rolling resistance and wear resistance with little mechanical strength and hardness deterioration in rubbers on its base.
17 cl, 6 tbl, 20 ex
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