Thermal transfer ribbon for high density/high resolution bar cod

Details Thermal transfer ribbon for high density/high resolution bar cod Thermal transfer ribbon for high density/high resolution bar cod

1997-05-30

1999-08-17

Hess, Bruce H.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428195, 428207, 428323, 428480, 428484, 4284884, 428500, 428522, B41M 500

Patent

active

059392070

ABSTRACT:
A thermal transfer ribbon having a pigmented layer with a unique combination of melt viscosity, hardness and mechanical properties and an ultra-thin release layer between the pigmented layer and a substrate is provided. The thermal transfer ribbon includes a release layer having a thickness of 0.1 to 1.0 micron provided on one side of the substrate, the release layer being composed of an ethylene vinylacetate copolymer, .alpha.-olefin maleic anhydride copolymer and wax. A pigmented layer is provided on the release layer and is composed of a low structure carbon black, a polystyrene resin and a polyacrylate resin. A heat-resistant backcoat is preferably provided on the back side of the substrate.

REFERENCES:
patent: 4865901 (1989-09-01), Ohno et al.

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