Water-redispersible powders of vinyl/acrylic polymers
作者： Bruno Thiebaut , Jean-Francois Colombet
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摘要: Water-dispersible, storage-stable pulverulent compositions of matter, well adopted as adjuvants for hydraulic binders used in the construction industry, comprise particulates a water-insoluble film-forming vinyl and/or acrylic polymer, e.g., ester, alkyl(meth)acrylate or vinylaromatic homopolymer copolymer, containing from 0.5 to 20 parts by weight at least one silicone, an alkali alkaline earth metal organosiliconate liquid organopolysiloxane, per 100 such polymer.
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