Stock material or miscellaneous articles – Layer or component removable to expose adhesive – Ornamental – decorative – pattern – or indicia
Patent
1983-04-25
1986-04-08
Buffalow, Edith
Stock material or miscellaneous articles
Layer or component removable to expose adhesive
Ornamental, decorative, pattern, or indicia
428523, 428522, A61F 1302
Patent
active
045812683
ABSTRACT:
An improved process for preparing a laminate polymer article having an alkyl methacrylate polymer film uniformly laminated on at least one surface of the body of a polymer article formed from a prepolymer composition containing a polymerizable monomer, a solvent or a mixture thereof is disclosed. A composite acrylic film comprising (a) a carrier film insoluble in the polymerizable monomer and the solvent and (b) an alkyl methacrylate polymer film soluble in or swellable with the polymerizable monomer and the solvent, said carrier film and said alkyl methacrylate polymer film being adhered to each other through an adhesive layer capable of adhering relatively weakly to the alkyl methacrylate film and adhering relatively strongly to the carrier film and incapable of being dissolved in the polymerizable monomer and the solvent, is laminated on the prepolymer composition so that the alkyl methacrylate polymer film is in contact with the surface of the prepolymer composition; the prepolymer composition is polymerized; and then, the carrier film is peeled together with the adhesive layer from the resulting polymer article.
REFERENCES:
patent: 2225536 (1940-12-01), Humphner
patent: 2654684 (1953-10-01), Heikin
patent: 3166186 (1965-01-01), Karn
patent: 3411978 (1968-11-01), Frohbach et al.
patent: 3635746 (1972-01-01), Karian
patent: 4331727 (1982-05-01), Maas
Ohe Makoto
Sugi Koichiro
Buffalow Edith
Mitsubishi Rayon Co. Ltd.
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