Hydrolyzed silane emulsions and their use as surface coatings

Details Hydrolyzed silane emulsions and their use as surface coatings Hydrolyzed silane emulsions and their use as surface coatings

1994-03-04

1996-08-27

Glass, Margaret W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524858, 10628712, 427387, C08J 303, C08J 307, C09D18306

Patent

active

055501842

ABSTRACT:
Novel and highly reactive hydrolyzed silane emulsions are achieved by emulsifying a hydrolyzable alkoxysilane (e.g., perfluoroalkylethyltris(2-(2-methoxyethoxy)ethoxy)silane, 2-perfluoroalkylethyltris(2-(2-(2-methoxyethoxy)ethoxy)ethoxy) silane, 2-Perfluoroalkylethyltris(polyoxyethyleneglycolmonomethylether)silane or the like) in water in the presence of an effective amount of an emulsifier of sufficiently high HLB value (preferably 14 or greater) to simultaneously retain said hydrolyzable alkoxysilane compound in a substantially totally hydrolyzed state and inhibit said resulting hydrolyzed alkoxysilane compound from self-condensation. Such reactive emulsions containing fluorocarbon silanes are useful to produce durable coatings that impart oil and water repellency to substrates having siliceous, cellulosic or proteinaceous surfaces.

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