Heat and light-sensitive recording materials with dialonium comp

Details Heat and light-sensitive recording materials with dialonium comp Heat and light-sensitive recording materials with dialonium comp

1986-01-29

1987-03-24

Bowers, Jr., Charles L.

Radiation imagery chemistry: process, composition, or product th

Diazo reproduction, process, composition, or product

Composition or product which contains radiation sensitive...

430151, 430176, 430180, 430182, 430346, 430348, 346209, 346218, 346219, G03C 160, G01D 900

Patent

active

046525122

ABSTRACT:
This invention provides a heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer which is formed over the substrate and which contains a diazonium salt, a coupler and at least one of specific heat-fusible basic amidine and diamidine compounds in which the nitrogen atom(s) of ##STR1## moiety(moieties) has(have) a substituent and the nitrogen atom(s) or ##STR2## moiety(moieties) has(have) at least one substituent, the substituent being independently selected from the group consisting of phenyl, naphthyl, phenyl-C.sub.1 -C.sub.4 alkyl and naphthyl-C.sub.1 -C.sub.4 alkyl, each optionally substituted with C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, phenyloxy, nitro or halogen, and in which amidine compounds are other than formamidines. The heat-sensitive recording material is especially excellent in storage stability.

REFERENCES:
patent: 3389995 (1968-06-01), Tripp et al.
patent: 4400456 (1983-08-01), Matsuda et al.
patent: 4487826 (1984-12-01), Watanabe et al.
patent: 4529681 (1985-07-01), Usami et al.

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