Heat sensitive record material

Details Heat sensitive record material Heat sensitive record material

1984-09-14

1985-09-03

Hess, Bruce H.

Recorders

Record receiver deforming

346208, 346209, 346221, 427151, B41M 518

Patent

active

045395772

ABSTRACT:
A heat sensitive record material comprising a support sheet and a heat sensitive record layer formed on the support sheet, the heat sensitive record layer being composed essentially of a colorless or light-colored electron-donating colorless dye, an acidic substance which is thermally reactive with the electron-donating colorless dye to develop a color and a binder, characterized in that said heat sensitive record layer contains an effective amount of at least one anilide compound represented by the general formula: ##STR1## where R.sub.1 is an alkyl group having 1 to 6 carbon atoms or a cycloalkyl group; R.sub.2 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, a sulfamoyl group or a halogen atom; R.sub.3 is a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms or a halogen atom; and n is an integer of 0 to 5.

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

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