Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1997-06-30
1999-08-03
Schwartz, Pamela R.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428212, 428352, 428354, 428355R, 4284744, 4284747, 428480, 428484, 428500, 428913, 428914, B41M 300
Patent
active
059323191
ABSTRACT:
A heat-transfer label that is particularly well-suited for decorating treated low-density polyethylene (LDPE) containers and that exhibits strong resistance to degradation from animal fats and the like, even when subjected to flexing. In a preferred embodiment, the label includes a support, a wax release layer over the support and a transfer portion over the wax release layer. The transfer portion includes a protective lacquer layer, the protective lacquer layer comprising a pair of cross-linked polyester resins and a cross-linked vinyl resin, each of said cross-linked resins being cross-linked by a hexamethoxymethylmelamine resin. The transfer portion also includes an ink layer over the protective lacquer layer, the ink layer comprising a polyamide ink. The transfer portion further includes an adhesive layer over the ink layer, the adhesive layer comprising nitrocellulose and a soft polyamide resin.
REFERENCES:
patent: 3922435 (1975-11-01), Asnes
patent: 4426422 (1984-01-01), Daniels
patent: 4548857 (1985-10-01), Galante
patent: 4935300 (1990-06-01), Parker et al.
Technical literature for ViTEL 2300 polyester resin (Bostik, Middleton MA), publicly available before the filing of the present application.
Technical literature for CYMEL 300 melamine resin (American Cyanamid), publicly availabe before the filing of the present application.
Technical literature for ViTEL 5545 polyester resin (Bostik, Middleton MA), publicly available before the filing of the present application.
Technical literature for CYCAT 4040 catalyst (Cytec Indus. Inc., West Paterson, NJ), published Feb. 15, 1994.
Technical literature for VAGH vinyl resin (Union Carbide Chemicals, Danbury, CT), publicly available before the filing of the present application.
Makar Onsy Y.
Stein Samuel H.
Avery Dennison Corporation
Schwartz Pamela R.
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