THERMOSENSITIVE RECORDING MATERIAL

WIPO Patent Application WO/2006/075604

A1

A thermosensitive recording material that is reduced in the change of recording sensitivity attributed to a change of environmental humidity and excels in the resistance to ground fogging under heat. There is provided a thermosensitive recording material having a support and a thermosensitive recording layer, wherein the thermosensitive recording layer contains a leuco dye and a colorant, the leuco dye being in the form of composite particles containing the leuco dye and a hydrophobic resin, and wherein the thermosensitive recording layer contains, as the colorant, any of the compounds of the following general formula (1) and any of the compounds of the following general formula (2) in a mass ratio of 70:30 to 30:70. General formula (1) [Chemical formula 1] wherein R1 is n-butyl, isobutyl, sec-butyl or tert-butyl. General formula (2) [Chemical formula 2] wherein R2 is n-butyl, iso-butyl, sec-butyl or tert-butyl.

JP5454113	Thermal recording body
JP2023158292	NOVEL DEVELOPER AND RECORDING MATERIAL
JPH0788111	[Title of Invention] Thermal recording medium

KIDO HIROYUKI (JP)
KOBAYASHI MASAFUMI (JP)
KAWAI MASATO (JP)
NOJIMA MASAHARU (JP)

PCT/JP2006/300192

July 20, 2006

January 11, 2006

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OJI PAPER CO (JP)
KIDO HIROYUKI (JP)
KOBAYASHI MASAFUMI (JP)
KAWAI MASATO (JP)
NOJIMA MASAHARU (JP)

B41M5/333; B41M5/28; B41M5/30

WO2002098674A1

2002-12-12

JP2003291541A	2003-10-15
JP2003305957A	2003-10-28
JPH10264530A	1998-10-06
JP2003159876A	2003-06-03
JPS5257153A	1977-05-11
JP2003154760A	2003-05-27
JPH07196568A	1995-08-01
JPH09278695A	1997-10-28
JP2003237243A	2003-08-27

SAEGUSA, Eiji et al. (1-7-1 Doshomachi, Chuo-k, Osaka-shi Osaka, JP)

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