Radiation curable sompositions

Details Radiation curable sompositions Radiation curable sompositions

1998-05-18

1999-04-06

Berman, Susan W.

Coating processes

Direct application of electrical, magnetic, wave, or...

Polymerization of coating utilizing direct application of...

427515, 427517, 4302701, 522148, 522 99, 522 40, 522 59, 522 63, 522 65, C08J 328, C08J 718, G03F 7075

Patent

active

058915290

ABSTRACT:
Curable compositions comprising a substance that produces a base when exposed to radiation and a polymer molecule that contains silicon-hydrogen bonds which react with hydroxyl groups under the action of the base to form silicon-oxygen bonds (Si--O) and hydrogen molecules. These compositions cure when exposed to radiation. A pattern can be formed by placing a mask between a coating of the composition and the radiation source during this exposure episode and thereafter dissolving the uncured composition. The compositions have little weight loss during their cure, they can be cured by low intensity radiation, and they yield heat-resistant cured products.

REFERENCES:
patent: 5348839 (1994-09-01), Haluska et al.
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Chemistry and Technology of Silicones, pp. 205, 397.
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Lithogrophic Resists, Wiley-Interscience (New York), 1985.
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Chemistry and Technology of Silicones, 2nd Edition, p. 175, Walter Noll, Academic Press, Inc. (London) Ltd., 1968.
Database WPI, Week 9426, Derwent Publications Ltd., London, GB; AN 94-211957, May 27, 1994.

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