| abstract |
The invention relates to dry building material formulations, containing one or more hydraulically setting binders, one or more fillers, one or more polymers in the form of powders (polymer powders) that can be redispersed in water, and optionally one or more additives, characterized in that the polymer powders can be obtained by drying aqueous dispersions containing one or more silica sols and one or more polymers of ethylenically unsaturated monomers. |