Compositions: coating or plastic – Coating or plastic compositions – Coating repellent
Patent
1993-06-30
1995-02-28
Bell, Mark L.
Compositions: coating or plastic
Coating or plastic compositions
Coating repellent
10628714, 252357, 528 33, 556450, C09D 520
Patent
active
053933303
ABSTRACT:
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 quaternary ammonium modified dimethylpolysiloxanes. Amino and 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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Chaves Antonio
Chen Ming J.
Bell Mark L.
Marcantoni Paul
OSi Specialties Inc.
Reiskind Andrew S.
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