Ultra-thin, uniform sol-gel coatings
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United States of America Patent
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Dec 29, 1992
Grant Date -
N/A
app pub date -
Feb 23, 1990
filing date -
Feb 23, 1990
priority date (Note) -
Expired
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Abstract
A method of coating a substrate with a uniform, ultra-thin film of a polymer comprising immersing a substrate having active hydrogens on its surface in a solution comprising at least one hydrolyzable metal alkoxide of a polymeric network-forming cation, water, a solvent and a base, said solution having undergone substantially no polymer growth, for a time sufficient to form in situ said film on said substrate, removing and drying said coated substrate.
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