Heat-sensitive black recording material

Details Heat-sensitive black recording material Heat-sensitive black recording material

1983-06-29

1985-02-26

Hess, Bruce H.

Recorders

Record receiver deforming

346208, 346209, 346217, 346221, 427151, 428913, 428914, B41M 518

Patent

active

045020671

ABSTRACT:
Disclosed is a heat-sensitive recording material capable of forming an image of a hue close to a pure black at a low density, which comprises a dispersion of a leuco dye, a heat-fusible organic acidic substance solid at normal temperature and a sensitizing agent in a binder, wherein the leuco dye comprises a fluoran type leuco dye for forming a black color and a benzofluoran type leuco dye for forming a red dye in an amount of 0.01 to 1% by weight based on said black color-forming leuco dye.

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