INTUMESCENT COMPOSITION Russian patent published in 2018 - IPC C09D5/18 C09K21/14 C09K21/02 C09D163/00 

FIELD: chemistry.

SUBSTANCE: present invention relates to a novel intumescent coating composition having excellent intumescent properties. Composition comprises an organic polymer, a blowing agent and a special additive. Additive comprises various combinations of metal / metalloid atoms from (a) and / or (b), and (c) and / or (d), where (a) is metal/metalloid alkoxide; (b) is a hydroxy-functional polysiloxane; (c) is a metal/metalloid oxide; (d) is a metal hydroxide. Invention also relates to substrates coated with an intumescent coating composition, to a method for preparing an intumescent coating and a method for protecting structures from heat/fire.

EFFECT: invention provides high intumescent coating properties.

15 cl, 7 tbl