Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1991-11-05

1993-01-12

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

Having a colorless color-former, developer therefor, or...

Having nonchromogenic liquid spread-control or...

503208, B41M 530

Patent

active

051790688

ABSTRACT:
Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer provided on the support, the heat-sensitive recording layer comprises a dye precursor, a developer, a binder and an aromatic compound represented by the following structural formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are independently hydrogen atoms or lower alkyl groups; R.sup.4, R.sup.5 and R.sup.6 are independently hydrogen atoms, alkyl groups, cycloalkyl groups, alkoxy groups, halogen atoms, aralkyl groups, aryl groups, acyl groups, formyl groups, nitro groups or cyano groups; and X.sup.1 and X.sup.2 are oxygen atoms or sulfur atoms. This heat-sensitive recording material is excellent in heat responsiveness and sensitivity, and cause little thermal head stain.

REFERENCES:
patent: 4471074 (1984-11-01), Iwakura et al.
patent: 4599271 (1986-07-01), Chao

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