Title:
SYNTHESIS OF AROMATIC CARBOXYLIC ACID ZINC SALT AND HEAT-SENSITIVE RECORDING MATERIAL PRODUCED BY USING THE ZING SALT
Document Type and Number:
Japanese Patent JPH05345742
Kind Code:
A
Abstract:
PURPOSE: To provide a heat-sensitive recording material having excellent solvent- resistance, especially the stability of the non-image part.
CONSTITUTION: An aromatic carboxylic acid zinc salt is synthesized by the salt-exchange reaction of an aromatic carboxylic acid alkali metal salt with an inorganic zinc compound. In the above process, zinc sulfate is used as the inorganic zinc compound. A heat-sensitive recording material is obtained by using the aromatic carboxylic acid zinc salt as a color-developing agent.
Inventors:
HAYAKAWA KUNIO
FURUYA HIROMI
TORII MASASHI
TANIGUCHI KEIJI
FURUYA HIROMI
TORII MASASHI
TANIGUCHI KEIJI
Application Number:
JP17938692A
Publication Date:
December 27, 1993
Filing Date:
June 12, 1992
Export Citation:
Assignee:
RICOH KK
International Classes:
B41M5/333; B41M5/30; C07C51/41; C07C63/00; (IPC1-7): C07C63/00; B41M5/30; C07C51/41