CURABLE COMPOSITION Russian patent published in 2016 - IPC C08G59/66 C08G59/56 C08L63/00 C08L81/04

Abstract RU 2583433 C2

FIELD: chemistry.

SUBSTANCE: invention relates to a curable composition which can be used as an adhesive, sealant and coating material. Curable composition consists of a liquid polysulphide polymer, epoxy oligomer and an amine. Polysulphide polymer contains 8 % by weight or more thiol groups per molecule and has formula HS-(R-S_x)_n-R-SH, where R is a divalent or trivalent organic group having a -O-CH₂-O- bond and a branched alkylene group, average value of n is less than 10, x is an integer from 1 to 5 and average value of x is ranges 1 to 2.5. Amine used is an alicyclic tertiary amine or aromatic tertiary amine.

EFFECT: invention enables to obtain a composition having viscosity before hardening, as well as improved adhesion, hardness and hardening rate.

4 cl, 1 tbl, 12 ex

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RU 2 583 433 C2

Authors

Suga Jasukadzu

Khamada Jukiko

Matsumoto Kadzunori

Umano Rika

Dates

2016-05-10—Published

2012-12-05—Filed