Patent ID: 7939592
Filing Date: 2011-05-10
Classification: C04B

Abstract:
1. A process for the preparation of a water repellant single layer architectural coating comprising applying to a substrate a hydraulically settable mineral binder composition containing 0.1 to 10 weight percent based on dry weight of the composition, of a polymer composition in the form of a water-redispersible powder or an aqueous dispersion thereof, the water-redispersible powder comprising: a) a vinyl chloride-ethylene copolymer consisting of up to 95 weight percent of vinyl chloride residues and 5 to 30 weight percent of ethylene residues, the weight percents based on the total weight of the vinyl chloride-ethylene copolymer; b) 5 to 30 weight percent of one or more protective colloids, based on the weight of a), b), and c); and c) 5 to 30 weight percent of one or more anti-blocking agents in powder form, based on the weight of a), b), and c).