Title:
THERMAL RECORDING MEDIUM AND COATING SOLUTION FOR FORMING THERMAL COLORING LAYER
Document Type and Number:
Japanese Patent JP2011025545
Kind Code:
A
Abstract:
To acquire a clear enough image by suppressing the generation of foaming of a coating solution and bubbling on a coating surface by using a small amount of dispersant which excels in dispersability of a developer.
The thermal recording medium has a thermal coloring layer containing a leuco dye and a developer on a supporting base material, and this thermal coloring layer contains polyvinyl alcohol resin containing carboxyl group, which has a structural unit expressed in the formula (1). In the formula, R1, R2, R3 each independently shows hydrogen atom or alkyl group, X indicates alkylene group having carbon numbers of 4-50, Y shows hydrogen atom or alkali metal.
Inventors:
KITAWAKI MAYUKA
BANDAI SHUSAKU
KYOGOKU KIMIYUKI
KURODA TSUYOSHI
BANDAI SHUSAKU
KYOGOKU KIMIYUKI
KURODA TSUYOSHI
Application Number:
JP2009174140A
Publication Date:
February 10, 2011
Filing Date:
July 27, 2009
Export Citation:
Assignee:
NIPPON SYNTHETIC CHEM IND
International Classes:
B41M5/337
Domestic Patent References:
JP2000272238A | 2000-10-03 | |||
JPH11321104A | 1999-11-24 | |||
JP2006152206A | 2006-06-15 |
Attorney, Agent or Firm:
Yoneda Keikei