POLYTHIOESTER WITH FINAL EPOXY-GROUP Russian patent published in 2008 - IPC C07D303/34 C08G59/02 C08G59/20 C08G59/30 

FIELD: chemistry, pharmacology.

SUBSTANCE: invention relates to polyesters with final epoxy-group. Claimed is product of reaction of dithiol, polyvinyl ether and monoepoxide of definite structures and method of its obtaining, according to which at first stage n+1 moles of dithiol and n moles of polyvinyl ester react, and at second stage to n moles of obtained product n+1 moles of monoepoxyolefin are added. Also claimed is hardened composition, which contains polyester with final epoxygroup and hardening agent.

EFFECT: obtaining flexible, fuel- and temperature-resistant polyesters with final epoxygroup, which have controlled narrow weight distribution of epoxy equivalent.

18 cl, 1 tbl, 2 ex