Diazo heat-sensitive recording material

Details Diazo heat-sensitive recording material Diazo heat-sensitive recording material

1993-07-26

1994-03-22

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430182, 430151, 430964, 430164, 430185, 430351, G03C 158, G03C 518

Patent

active

052963292

ABSTRACT:
A diazo heat-sensitive recording material which comprises a support having thereon a heat-sensitive recording layer comprising a diazo compound, a coupling component, a basic substance, and a binder; wherein the coupling component is an acylacetanilide represented by the formula (I): ##STR1## wherein R.sub.1 is substituted or unsubstituted alkyl or aryl; R.sub.2 is substituted or unsubstituted alkyl or aralkyl; R.sub.3 is substituted of unsubstituted alkyl, alkoxy, aralkyloxy, alkylthio, or aralkylthio, substituted amino, or halogeno; the total number of carbon atoms in R.sub.2 and (R.sub.3).sub.n is 5 or more; n is zero or an integer of from 1 to 4; and the R.sub.3 's may be the same or different when n is 2 or more, which is useful for forming a yellow color image and providing a developed color image with higher light-fastness, less soiling of a non-image area, and improved uniformity in color-developing layer due to the use of a more oil-soluble coupling component.

REFERENCES:
patent: 4225662 (1980-09-01), Matsuda et al.
patent: 4842979 (1989-06-01), Ishige et al.

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