Title:
THERMAL RECORDING MATERIAL
Document Type and Number:
Japanese Patent JPH04113883
Kind Code:
A
Abstract:
PURPOSE: To make thermal response highly sensitive and enhance coloring density by adding a specific compound.
CONSTITUTION: In a compound of formula (1), n is an integer of 0 or 1; R is a divalent base with 5 or larger carbon atoms; and Ar is an aryl group which can have a substitution group. For example, 2-benzyloxydibenzofran and phenethyloxydibenzofuran are recommended. The favorable dosage of a developer is 5 to 400wt.% for a dye precursor, especially 20 to 30wt.%. Above all, the most favorable dosage of the developer is 20 to 300wt.%.
Inventors:
IKEDA MITSUHIRO
Application Number:
JP23373290A
Publication Date:
April 15, 1992
Filing Date:
September 04, 1990
Export Citation:
Assignee:
MITSUBISHI PAPER MILLS LTD
International Classes:
B41M5/337; B41M5/26; (IPC1-7): B41M5/26