Heat-sensitive recording material

Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonreactant particles of defined size

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Details

427152, 428446, 428457, 428514, 428522, 503200, 503226, B41M 518

Patent

active

047585471

ABSTRACT:
A novel heat-sensitive recording material is provided comprising a support, a heat-sensitive coloring layer containing an electron donating dye precursor which is normally colorless or light-colored and an electron accepting compound which exhibits a color upon reaction with said dye precursor, a first protective layer containing a polyvinyl alcohol resin and a second protective layer containing a silicon-containing denaturated polyvinyl alcohol, a colloidal silica and/or amorphous silica, wherein either of the first or second protective layer may be coated directly on said coloring layer.

REFERENCES:
patent: 4583103 (1986-04-01), Hayashi et al.
patent: 4594269 (1986-06-01), Miyauchi et al.

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