DILUENT FOR PRODUCING BUTYL RUBBER Russian patent published in 2018 - IPC C08F2/14 C08F2/10 C08F210/12 

FIELD: chemistry.

SUBSTANCE: invention relates to a method for producing elastomers and to an elastomer obtained using said method. Method of producing elastomers comprises polymerisation of monomers in a reaction medium in the presence of an initiating system. Reaction is carried out in an organic diluent. One of the monomers is an isoolefin containing from 4 to 7 carbon atoms. Second monomer is a multi-olefin selected from the group consisting of isoprene and butadiene. Initiating system contains a Lewis acid and an initiator. Organic diluent contains methyl chloride in an amount of 48 to 52 vol. % and 1,1,1,2-tetrafluoroethane in an amount of 48 to 52 vol. %.

EFFECT: invention makes it possible to produce butyl rubber in a continuous manner in high yield, and carry out polymerisation at a high rate.

20 cl, 3 dwg, 1 tbl, 5 ex