Chemical treatment for silica-containing glass surfaces

Details Chemical treatment for silica-containing glass surfaces Chemical treatment for silica-containing glass surfaces

1997-10-17

1999-11-16

Weisberger, Richard

Coating processes

Pretreatment, per se, or post-treatment, per se

427402, 4274072, 4272556, 156 60, 156166, 156325, 156326, 156598, B05D 136, B05D 700

Patent

active

059853743

ABSTRACT:
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 conditions. 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.

REFERENCES:
patent: 2563288 (1945-06-01), Steinman

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