Catonic emulsion of alkylalkoxysilanes

Details Catonic emulsion of alkylalkoxysilanes Catonic emulsion of alkylalkoxysilanes

B - Operations, Transporting

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B01F 17/54 (2006.01) B01F 3/08 (2006.01) B27K 3/50 (2006.01) C04B 41/49 (2006.01) C08J 3/03 (2006.01) C09D 4/00 (2006.01) C09K 3/18 (2006.01)

Patent

CA 2125803

The present invention teaches masonry water repellents comprising aqueous emulsions of alkylalkoxysilanes with either a quaternary ammonium surfactant or a mixture of a quaternary ammonium surfactant with an amino and/or a nonionic surfactant. The alkylalkoxysilane is present at a level of about one to sixty weight percent of the final solution weight. The surfactants are present at levels of about 0.05 to 25 weight percent of the final solution weight. The useful quaternary ammonium surfactants are alkyltrimethyl or dialkyldimethyl ammonium compounds or quarternary ammonium modified dimethylpolysiloxanes. Amino acid nonionic surfactants are used as additives to the quaternary surfactants. The types of nonionic surfactants contemplated herein are alkylamines and alkyl acetylenic alcohols.

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