Heat-sensitive recording materials

Recorders – Record receiver deforming

Patent

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Details

346226, 427152, B41M 518

Patent

active

045701695

ABSTRACT:
A heat-sensitive recording material composed of a heat-sensitive, color-forming layer on a sheet substrate. The heat-sensitive, color-forming layer is mainly composed of a color-forming component consisting of a colorless or light-colored leucodye and an acidic compound for allowing said leucodye to develop color by heating, and further includes on the upper surface thereof a protective layer composed mainly of a polyvinyl alcohol and containing an epoxy compound having in its molecule at least two epoxy groups or an ethylenimine compound having in its molecule at least two ethylenimine groups.

REFERENCES:
patent: 4311750 (1982-01-01), Kubo et al.

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