Thermal recording sheet

Details Thermal recording sheet Thermal recording sheet

1993-08-26

1995-04-11

Hess, B. Hamilton

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, 503207, 503216, 503217, 503221, 503226, B41M 540

Patent

active

054058210

ABSTRACT:
A thermal recording sheet superior in dynamic sensitivity, dot reproducibility, image quality and image storage stability, and having no trouble of turning yellow of the sheet caused by NOx gas.
A thermal recording sheet comprising an intermediate layer and a thermal color developing layer provided in turn on a substrate, wherein the intermediate layer contains a pigment having an oil absorption (according to JIS K5101) of less than 80 ml/100 g, and a compound of the following general formula (I): ##STR1## wherein R denotes propyl, isopropyl, or n-butyl, and calcium carbonate are contained in the thermal color developing layer as an organic color developer and a pigment, respectively.

REFERENCES:
JIS Japanese Industrial Standard Methods of test for pigments JIS K 5101-1991.

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