WATER REPELLENT COMPOSITIONS

A composition is formed by combining water with an organic polymer such as polybutylene or an alkyd resin and an alkoxysilane of the formula R n Si(OR')4-n where R is an alkyl radical of 1-10 carbon atoms, an alkenyl radical having 2-8 carbon atoms, phenyl, chloropropyl or trifluoropropyl, n is...

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Bibliographische Detailangaben
Hauptverfasser: SMITH, JANET MARY, ESTES, TARA NICOLE, GEE, MICHAEL BRADLEY, SELLEY, DAVID BRIAN, BUCKINGHAM, ANNE MARIE
Format: Patent
Sprache:eng ; fre
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Zusammenfassung:A composition is formed by combining water with an organic polymer such as polybutylene or an alkyd resin and an alkoxysilane of the formula R n Si(OR')4-n where R is an alkyl radical of 1-10 carbon atoms, an alkenyl radical having 2-8 carbon atoms, phenyl, chloropropyl or trifluoropropyl, n is 1 or 2 and R' is an alkyl radical having 1-6 carbon atoms. The composition is free of amine or quaternary ammonium functional silanes. It is conveniently emulsified and used to treat a cellulosic or masonry surface to render it water repellent.