Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1989-01-06

1990-04-17

Hess, Bruce H.

Record receiver having plural interactive leaves or a colorless

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

Identified organic electron acceptor other than phenolic resin

427150, 428913, 503212, 503225, B41M 518

Patent

active

049180479

ABSTRACT:
A heat-sensitive recording material comprising a support having thereon a recording layer containing an electron-donating colorless dye and an electron-accepting compound, wherein the electron-accepting compound is selected from salicylic acid derivatives having an acyl group, a substituted amino group, an aryloxymethyl group, an alkoxy group or an aryloxy group, or metal salts thereof, and hydroxynaphthoic acid derivatives having an alkyloxy group or metal salts thereof, the recording layer further containing a metal compound in an amount of from about 0.05 to about 10 mols per mol of the electron-accepting compound.

REFERENCES:
patent: 3864146 (1975-02-01), Oda et al.
patent: 3983292 (1976-09-01), Saito et al.
patent: 4134847 (1979-01-01), Oda et al.
patent: 4228222 (1980-10-01), Murakami et al.
patent: 4234212 (1980-11-01), Kato et al.
patent: 4236732 (1980-12-01), Murakami et al.
patent: 4289332 (1981-09-01), Kato
patent: 4514745 (1985-04-01), Suzuki et al.

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