Heat sensitive recording material

Details Heat sensitive recording material Heat sensitive recording material

1991-02-15

1992-02-25

Schwartz, Pamela R.

Record receiver having plural interactive leaves or a colorless

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

Having nonreactant particles of defined size

427152, 503200, 503226, B41M 540

Patent

active

050913573

ABSTRACT:
A heat-sensitive recording material comprising a substrate, an intermediate layer formed on the substrate, and a heat-sensitive recording layer formed on the intermediate layer, said intermediate layer comprising an inorganic powder having an oil absorption of 50 ml/100 g or more as measured in accordance with JIS K5101, an aqueous adhesive and a carboxymethyl cellulose in an amount of 3 to 20% by weight based on the weight of the aqueous adhesive, and said heat-sensitive recording layer comprising an electron-donating, colorless dye precursor, an electron-accepting developer and a sensitizer. Said heat-sensitive recording material has a high sensitivity and hardly causes scum adhesion to a thermal head.

REFERENCES:
German Patent Office Official Action Dated Mar. 8, 1991 and translation of same.
"Japanese Industrial Standard Testing Methods for Pigments", JIS K5101-1964, UDC 667.622:620.1, pp. 1-15.

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