Heat-sensitive recording sheet

Details Heat-sensitive recording sheet Heat-sensitive recording sheet

1983-11-21

1985-08-06

Hess, Bruce H.

Recorders

Record receiver deforming

346208, 346216, 427150, 427151, B41M 518

Patent

active

045339295

ABSTRACT:
A heat-sensitive recording sheet comprised of a support base having a heat-sensitive color forming layer thereon is disclosed. The layer is comprised of an electron donating dye, an electron accepting compound which reacts with the dye to form a color and a surface active agent. The surface active agent has a structure of ##STR1## as a hydrophobic atomic group, wherein R.sub.1 and R.sub.2 independently represent an alkyl group having 3 to 18 carbon atoms, an aryl group having 6 to 18 carbon atoms, an aralkyl group having 7 to 18 carbon atoms, or a cycloalkyl group having 5 to 10 carbon atoms. The heat-sensitive recording sheet has high sensitivity, produces high density color images and results a reduced amount of background fog.

REFERENCES:
patent: 4165398 (1979-08-01), Raine et al.
patent: 4168845 (1979-09-01), Oeda et al.

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