STYRENE-BUTADIENE RUBBER WITH HIGH CONTENT OF STYRENE AND VINYL LINKS AND METHODS FOR PRODUCTION THEREOF Russian patent published in 2017 - IPC C08F236/10 C08F236/06 C08F297/04 C08L53/02 

Abstract RU 2606129 C2

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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RU 2 606 129 C2

Authors

Khamann Evemari

Valenti Silviya

Shmidel Karin

Dates

2017-01-10Published

2012-03-01Filed