Heat-sensitive recording materials

Details Heat-sensitive recording materials Heat-sensitive recording materials

B - Operations, Transporting

41

M

42/3

B41M 5/44 (2006.01)

Patent

CA 1223730

ABSTRACT OF THE DISCLOSURE 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 molcule at least two epoxy groups or an ethylenimine compound having in its molecule at least two ethylenimine groups.

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