Heat-sensitive recording paper

Details Heat-sensitive recording paper Heat-sensitive recording paper

1983-04-22

1984-11-27

Louie, Won H.

Stock material or miscellaneous articles

Structurally defined web or sheet

Weight per unit area specified

4285371, 428913, 4284111, 346227, 430338, 430340, 430961, 430531, B41M 516, B41M 518, B41M 522

Patent

active

044851391

ABSTRACT:
A heat-sensitive recording paper is disclosed. The paper is comprised of a support base having a heat-sensitive color forming layer coated thereon. The color forming layer contains color forming components comprising an almost colorless electron donating dye and an organic acid capable of forming color when contacted with the dye. The color forming layer is coated with a coating layer containing polyvinyl alcohol and boric acid. Due to the existence of the coating layer the recording paper has substantial resistance to decrease the recording density and occur the fog by various chemicals and oils.

REFERENCES:
patent: 2663654 (1953-12-01), Miller et al.
patent: 4245032 (1981-01-01), Fanselow
patent: 4291902 (1981-09-01), Burri
patent: 4349218 (1982-09-01), Garner et al.
patent: 4370370 (1983-01-01), Iwata et al.
patent: 4388362 (1983-06-01), Iwata, et al.

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