Heat-sensitive recording materials

Details Heat-sensitive recording materials Heat-sensitive recording materials

1983-11-18

1985-06-11

Hess, Bruce H.

Recorders

Record receiver deforming

346209, 346221, 427150, 427151, B41M 518

Patent

active

045232059

ABSTRACT:
A heat-sensitive material comprising a support having formed thereon a heat-sensitive recording layer, which has a high whiteness and is suitable for use in high-speed recording, is disclosed. The heat-sensitive recording layer comprises a colorless or pale-colored basic dye and a color developing material that, when heated, reacts with the basic dye to form a color, wherein the heat-sensitive recording layer further comprises at least one heat-fusible material having a melting point in the range of 70.degree. C. to 140.degree. C. and selected from the compounds represented by following formulae (I) to (VI): ##STR1## wherein R.sub.1, R.sub.2, R.sub.5, R.sub.6, and R.sub.7 independently represent a phenyl group, a benzyl group, or a tolyl group, each of which groups may be substituted with a halogen atom; and R.sub.3 and R.sub.4 independently represent an aryl group or an aralkyl group, each of which groups may be substituted with an alkyl group, an aralkyl group, a halogen atom, a hydroxy group, an alkoxy group, an aryloxy group, an alkylcarbonyloxy group, an arylcarbonyloxy group, an alkoxycarbonyl group, or an aryloxycarbonyl group.

REFERENCES:
patent: 4251593 (1981-02-01), Sakamoto et al.
patent: 4444844 (1984-04-01), Kubo et al.

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