Heat-sensitive recording material

Details Heat-sensitive recording material Heat-sensitive recording material

1997-11-20

1999-08-10

Chu, John S.

Radiation imagery chemistry: process, composition, or product th

Microcapsule, process, composition, or product

430156, 430157, 430160, 430162, 430171, 430179, 503215, 503227, G03C 154, G03F 7016

Patent

active

059357576

ABSTRACT:
A heat-sensitive recording material having a support and a heat-sensitive recording layer provided thereon. The heat-sensitive recording layer contains a diazonium salt compound and a coupler which reacts with the diazonium salt compound upon heating to form a color. The heat-sensitive recording layer contains a compound of the following formula (I): ##STR1## wherein R represents a member selected from the group consisting of a hydrogen atom, a halogen atom, an alkyl group, and an aryl group; X represents a member selected from the group consisting of --COOR.sup.1, --OCOR.sup.--1, --CONR.sup.1 R.sup.2, and --NR.sup.2 COR.sup.1 ; R.sup.1 represents an alkyl group or an aryl group, R.sup.2 represents a member selected from the group consisting of a hydrogen atom, an alkyl group, and an aryl group; n represents an integer from 1 to 5.

REFERENCES:
patent: 4334004 (1982-06-01), Scheler
patent: 4644376 (1987-02-01), Usami et al.
patent: 4891297 (1990-01-01), Takashima et al.
patent: 5486446 (1996-01-01), Matushita et al.

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