Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Physical dimension specified
Patent
1975-09-02
1977-06-14
Kendall, Ralph S.
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Physical dimension specified
428447, 428448, 428451, 428339, 427164, 427407G, B29D 1100, G02C 702, B32B 2708
Patent
active
040298426
ABSTRACT:
A transparent coated resin composite comprising: (a) a resin substrate mainly comprising polymethyl methacrylate, (b) a precoating which is formed of a silicon compound selected from the group consisting of methacryloxyalkyltrialkoxysilanes, aminoalkyl-trialkoxysilanes, vinyltris(alkoxyalkoxy)silanes, vinyltrialkoxysilanes and hydrolysates thereof on said substrate, and (c) an over-coating which is formed of a silicon compound selected from the group consisting of glycidoxyalkyltrialkoxysilanes, N-aminoalkylaminoalkyl-trialkoxysilanes, (3,4-epoxycyclohexyl)alkyltrialkoxysilanes and hydrolysates thereof on said precoating is provided. The over-coating may contain other polymerizable monomers. The over-coating which provides the substrate with the good abrasion resistance and anti-fogging property is firmly bonded to the substrate by virtue of the precoating and exhibits excellent abrasion resistance as well as anti-fogging property without impairing the optical characteristics of methyl methacrylate resins.
REFERENCES:
patent: 3160551 (1964-12-01), Buetow et al.
patent: 3698982 (1972-10-01), Griffin
patent: 3749593 (1973-07-01), Keiser
Kaetsu Isao
Okubo Hiroshi
Yoshida Masaru
Japan Atomic Energy Research Institute
Kendall Ralph S.
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