Multilayer film

Details Multilayer film Multilayer film

1990-11-15

1992-04-07

Lesmes, George F.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Adhesive outermost layer

428352, 428483, 428520, B32B 712, B32B 2708, B32B 2736

Patent

active

051027348

ABSTRACT:
A multilayer film comprises a substrate layer of polymeric material having on a first surface thereof a polyester heat-sealable layer, and on a second surface thereof a thermoset acrylic resin backing layer. The backing layer is preferably a discontinuous coating. The heat-sealable layer is optionally coated with a release layer, preferably a polyurethane resin release layer.

REFERENCES:
patent: 4008203 (1977-02-01), Jones
patent: 4066820 (1978-01-01), Kelly et al.
patent: 4533509 (1985-08-01), Gust et al.
patent: 4695503 (1987-09-01), Liu et al.
patent: 4765999 (1988-08-01), Winter
patent: 4921764 (1990-05-01), Rudd et al.
patent: 4946743 (1990-08-01), Winter

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