FIELD: chemistry.
SUBSTANCE: invention relates to a styrene-butadiene rubber based on a solution with high content of styrene and vinyl links with defined content of styrene. Described is a polymer which contains (a) a styrene unit with number of styrene links of 4-6, 27–50 wt% of total content of styrene in polymer, (b) vinyl from more than 30 to 80 wt% of total amount of polymerised 1,3-butadiene, (b) a styrene 40–70 wt% of total weight of polymer. Also described is a method for polymerisation of said polymer, a composition containing said polymer, and products containing at least one component produced from said composition.
EFFECT: technical result is production of styrene-butadiene rubber with high content of styrene and vinyl links with narrow molecular weight distribution.
20 cl, 5 ex
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