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Patent Searching and Data


Title:
THERMAL TRANSFER SHEET
Document Type and Number:
WIPO Patent Application WO/2015/045923
Kind Code:
A1
Abstract:
Provided is a thermal transfer sheet which exhibits good printing performance and still provides a printed material that has excellent resistance to boiling. A thermal transfer sheet which is obtained by sequentially providing one surface of a base with at least a transferable protective layer and a transferable coloring layer in this order and by providing the other surface of the base with a back surface layer. The transferable protective layer contains, as a main component, a cyclic olefin polymer having a glass transition temperature of 100°C or more and additionally contains a resin that is incompatible with the cyclic olefin polymer. The transferable coloring layer contains a coloring agent and a phenolic resin having a softening point of 100°C or more.

Inventors:
ISHIDA TADAHIRO (JP)
TAKAO MASATO (JP)
Application Number:
PCT/JP2014/074294
Publication Date:
April 02, 2015
Filing Date:
September 12, 2014
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD (JP)
International Classes:
B41M5/382; B41M5/395; B41M5/42
Foreign References:
JPH0958140A1997-03-04
JP2011201212A2011-10-13
JP2006306019A2006-11-09
JPH0494983A1992-03-27
JP2004230682A2004-08-19
JP2002192839A2002-07-10
JPS57105395A1982-06-30
Other References:
See also references of EP 2939843A4
Attorney, Agent or Firm:
KISHIMOTO, Tatsuhito et al. (JP)
Kishimoto Expert (JP)
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