Heat-sensitive black recording element

Details Heat-sensitive black recording element Heat-sensitive black recording element

1983-06-29

1985-02-19

Hess, Bruce H.

Recorders

Record receiver deforming

427151, 346204, 346214, 346217, 346218, 346221, B41M 518, B41M 522

Patent

active

045008973

ABSTRACT:
Disclosed is a heat-sensitive recording element 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 rhodamine lactam type leuco dye for forming a red dye in an amount of 1.5 to 30% by weight based on said black color-forming leuco dye.

REFERENCES:
patent: 4236732 (1980-12-01), Murakami et al.

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