INTUMESCENT COMPOSITION CONTAINING SILICATE-MODIFIED EPOXY RESIN Russian patent published in 2020 - IPC C09D5/00 

FIELD: chemistry.

SUBSTANCE: invention relates to a new intumescent coating composition. Described is an intumescent coating composition containing (a) a reaction product of tetraalkoxyorthosilicate or its partially condensed oligomer and epoxy resin containing hydroxyl groups, wherein alkoxy groups are independently selected from C₁-C₂₀-alkoxy groups, (b) one or more foaming additives and (c) one or more metal oxides and/or hydroxides. Method for protecting structures from fire or heat and substrate is also described.

EFFECT: high foam strength and high fire-resistance.

14 cl, 5 tbl, 4 ex