Filled arcylate and methacrylate films

Details Filled arcylate and methacrylate films Filled arcylate and methacrylate films

1989-03-20

1991-09-24

Seidleck, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Physical dimension specified

428331, 524493, 524560, 264 26, 264204, 26433118, B32B 516

Patent

active

050512986

ABSTRACT:
Free standing, optically clear, poly(acrylate) or poly(methacrylate) film having dispersed therein silica which is produced in situ from an alkoxysilane, using acid catalysis and a substantially stoichiometric amount of water for hydrolysis. The film forming process comprises a drying and curing step conducted in an open system. The temperatures and pH employed determine the nature and morphology of the dispersed silica phase. The film-forming process is conducted in the substantial absence of a polymerizable substance other than the alkoxysilane.

REFERENCES:
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patent: 3960805 (1976-06-01), Taylor
patent: 3971872 (1976-07-01), LeBoeuf
patent: 4049868 (1977-09-01), Laurin et al.
patent: 4242396 (1980-12-01), Wilson et al.
patent: 4330446 (1982-05-01), Miyosawa
patent: 4442168 (1984-04-01), White
patent: 4820682 (1989-04-01), Shimomura et al.
Clarson et al., Polym. Commun., 28, 1987, p. 249.
Stober et al., Journal of Collid and Interface Science, 26, 62-69, 1968.
Mark et al., Polymer, vol. 26, 1985, pp. 2069-2072.

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