Heat-sensitive recording sheet

Details Heat-sensitive recording sheet Heat-sensitive recording sheet

1985-08-06

1987-02-17

Hess, Bruce H.

Recorders

Record receiver deforming

346208, 346216, 346225, 427150, B41M 518

Patent

active

046443754

ABSTRACT:
Heat-sensitive recording sheet comprising in a heat-sensitive color forming layer a colorless basic dyestuff and 4-isopropoxy-4'-hydroxydiphenyl sulfone as organic developer, wherein said color forming layer contains as sensitizer one of the compounds represented by the following formula (II) or (III): ##STR1## where, in the general formula (II) and (III), A represents a hydrogen atom, halogen atom, nitro group, lower alkyl group, lower alkoxy group or hydroxy group, l represents an integer from 1 to 5 and m represents an integer from 0 to 3. The sheet provides high density images and excellent stability of images.

REFERENCES:
patent: 4446209 (1984-05-01), Iwakura et al.
patent: 4480052 (1984-10-01), Ichijima et al.

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