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Chemical treatment for silica-containing glass surfaces

United States Patent

5,999,681
December 7, 1999
View the Complete Patent at the US Patent & Trademark Office
Dehydroxylated, silica-containing, glass surfaces are known to be at least partially terminated by strained siloxane rings. According to the invention, a surface of this kind is exposed to a selected silane compound or mixture of silane compounds under reaction-promoting conditons. The ensuing reaction results in opening of the strained siloxane rings, and termination of surface atoms by chemical species, such as organic or organosilicon species, having desirable properties. These species can be chosen to provide qualities such as hydrophobicity, or improved coupling to a polymeric coating.
Grabbe; Alexis (Albuquerque, NM), Michalske; Terry Arthur (Cedar Crest, NM), Smith; William Larry (Albuquerque, NM)
Lucent Technologies Inc. (Murray Hill, NJ)
09/ 290,740
April 13, 1999
GOVERNMENT CONTRACT This invention was made with Government support under Funds-In Agreement No. DE-FI04-88AL54100, awarded by The United States Department of Energy. The government has certain rights in this invention.