| abstract |
The present invention relates to a composition for hydrophobing building materials in the form of a solids-free water-in-oil emulsion with a viscosity of at least 10,000 mPa:S, wherein the composition comprises: (A) water, (B) emulsifier, (C) an active component selected from one or more monomelic alkylalkoxysilanes, arylalkoxysilanes and/or acrylate derivatives, preferably from octyltrimethoxysilane, octyltriethoxysilane and fluorinated acrylates and (D) at least one polyester polymer, and its use for surface treatment, impregnation and injection. |