ADHESIVE COMPOSITION FOR CONCRETE SURFACES Russian patent published in 2003 - IPC

FIELD: manufacture of building materials; repair of concrete surfaces including repair of minor cracks and filling considerable cracks with putty; application of protective anticorrosive coats; filling polymer composite for porous materials. SUBSTANCE: proposed composition includes, mass-%: methyl methaclylate, 72.2-85; dimethyl aniline, 1.8-3.2; benzoyl perxide, 3.5-7.2; polyisocyanate, 2.1-13 and additionally hydroxylcontaining compound selected from group of lower alcohols and/or lowmolecular polyethers. In particular case, proposed composition contains polymer soluble in methyl methacrylate or finely-dispersed inert inorganic natural filler. EFFECT: enhanced stability in storage; increased depth of impregnation of concrete at high strength parameters. 3 cl, 1 tbl, 6 ex