Amine catalysts for the low temperature conversion of silica pre

Details Amine catalysts for the low temperature conversion of silica pre Amine catalysts for the low temperature conversion of silica pre

1990-06-04

1992-05-26

Lusignan, Michael

Coating processes

With post-treatment of coating or coating material

Chemical agent applied to treat coating

4271262, 4271264, 427226, 427344, 427377, 427387, 4273977, B05D 304, B05D 310

Patent

active

051166372

ABSTRACT:
This invention relates to a low temperature method of converting coatings of hydrogen silsesquioxane resin or hydrolyzed or partially hydrolyzed R.sub.X Si(OR).sub.4-X to ceramic silica coatings. The method comprises applying a silica precursor coating to a substrate, exposing the coating to an environment comprising an amine and subjecting the coating to a temperature sufficient to yield the ceramic coating. The methods of the invention are particularly applicable to applying coatings on electronic devices.

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patent: 5063267 (1991-11-01), Hanneman et al.
W. Noll, "Chemistry & Technology of Silicones", Academic Press, NY, N.Y. (1968), pp. 205, 213.
R. L. Merker, et al., J Polymer Science-Part A, vol. 2, pp. 31-44 (1964).
J. of Non-Crystalline Solids, 64, 209-221 (1984).

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