FIELD: chemistry.
SUBSTANCE: invention relates to vulcanisable compositions and to a method of preparation of a multimodal polymer composition, included as a component into a vulcanisable composition. The vulcanisable composition for production of tyre components contains: i) rubber component, ii) filling agent, iii) solidifying agent for rubber, in which the rubber component contains a multimodal polymer, including, at least, two different peak molecular weights in the range, restricted by the lower limit of 80 kg/mol and the upper limit of 500 kg/mol, with the multimodal polymer being represented by polybutadiene, which contains, at least, 90% of repeating units in cis-1,4-configuration.
EFFECT: good properties of vulcanisates are obtained.
9 cl, 3 tbl, 12 ex
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