Method of using siloxane polymers

Details Method of using siloxane polymers Method of using siloxane polymers

1997-09-03

1998-12-29

Glass, Margaret W.

Coating processes

With post-treatment of coating or coating material

Heating or drying

427387, 427515, 428447, 528 42, 528 31, 528 39, 528 10, B05D 302

Patent

active

058538089

ABSTRACT:
Silsesquioxane polymers that are useful for preparing SiO.sub.2 -rich ceramic coatings are obtained as the polymeric reaction products from the hydrolysis and condensation of organosilanes having a .beta.-substituted alkyl group. A preferred silsesquioxane polymer is the polymeric reaction product obtained from .beta.-chloroethyltrichlorosilane. Coating compositions containing such silsesquioxane polymers dissolved in organic solvent may be applied to a substrate and converted to SiO.sub.2 -rich ceramic thin layers by evaporating the solvent and heating the coated substrate at moderate temperatures.

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