FIELD: chemistry.
SUBSTANCE: present invention relates to production of acrylonitrile copolymers. Described is a method for synthesis of copolymers of acrylonitrile with itaconic acid derivatives through mixing thereof in a solvent medium with addition of a radical polymerisation initiator and heating, the method characterised by that heating is carried out to temperature of 65-85°C, the solvent used is supercritical carbon dioxide, the itaconic acid derivatives used are monoesters or monoamides thereof, and content of the itaconic acid derivatives in the copolymer ranges from 0.01 to 4 mol.%. Also described is a method for synthesis of copolymers of acrylonitrile, itaconic acid derivatives and methyl acrylate through mixing thereof in a solvent medium with addition of a radical polymerisation initiator and heating, the method characterised by that heating is carried out to temperature of 65-85°C, the solvent used is supercritical carbon dioxide, the itaconic acid derivatives used are monoesters or monoamides thereof, and content of the itaconic acid derivatives in the copolymer ranges from 0.01 to 4 mol.% and content of methyl acrylate ranges from 0.01 to 4 mol.%.
EFFECT: obtaining copolymers of acrylonitrile with itaconic acid derivatives using an environmentally safe, cheap and energy-efficient method with high output.
2 cl, 1 tbl, 11 ex
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