Title:
THERMAL TRANSFER RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2018/190425
Kind Code:
A1
Abstract:
Provided is a thermal transfer recording medium that is resistant to the occurrence of dye precipitation and scumming (good storage stability) and has a high dye transfer sensitivity. The thermal transfer recording medium (1) according to an embodiment of the present invention has a heat-resistant slip layer (40) laminated on one side of a substrate (10) and an undercoat layer (20) and a dye layer (30) laminated in the indicated sequence on the other side. The dye layer (30) contains compounds I, II, and III as a cyan dye and also contains, as binder, a polyvinyl acetal resin, a phenoxy resin, and a graft copolymer in which the main chain comprises polycarbonate and the side chain comprises a vinyl polymer.
Inventors:
FUKUNAGA GODAI (JP)
Application Number:
PCT/JP2018/015558
Publication Date:
October 18, 2018
Filing Date:
April 13, 2018
Export Citation:
Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
B41M5/385; B41M5/395; B41M5/44
Foreign References:
| JP2013082212A | 2013-05-09 | |||
| JP2010082982A | 2010-04-15 | |||
| JP2003205686A | 2003-07-22 | |||
| JP2015016642A | 2015-01-29 | |||
| JPH05330257A | 1993-12-14 | |||
| JPH05124365A | 1993-05-21 | |||
| JPH05201159A | 1993-08-10 | |||
| JP2013146876A | 2013-08-01 | |||
| JP2013202846A | 2013-10-07 |
Other References:
See also references of EP 3611026A4
Attorney, Agent or Firm:
HIROSE Hajime et al. (JP)
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