Title:
HEAT HISTORY DISPLAY MEMBER
Document Type and Number:
WIPO Patent Application WO/2015/045800
Kind Code:
A1
Abstract:
Provided is a heat history display member capable of accurately displaying a heat history (history of temperature over time) of an object through hue variation even if the member is subjected to high temperature conditions over a long period of time or many times. A heat history display member comprising a laminated body provided with a heat history display layer in which an associative fluorescent dye having different fluorescence wavelengths in an excimer state and a monomer state is fixed in a specific molecular dispersion state and a protective resin layer provided on at least one side of the heat history display layer, said heat history display member being characterized in that none of the layers in contact with the heat history display layer contains an adhesive resin.
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Inventors:
TOGAWA KEIICHIRO (JP)
NISHIDA MITSUO (JP)
NARUSAWA HARUHIKO (JP)
TSUJII YASUHITO (JP)
NISHIDA MITSUO (JP)
NARUSAWA HARUHIKO (JP)
TSUJII YASUHITO (JP)
Application Number:
PCT/JP2014/073490
Publication Date:
April 02, 2015
Filing Date:
September 05, 2014
Export Citation:
Assignee:
TOYO BOSEKI (JP)
International Classes:
G01K11/16; C09K9/02; G09F3/02
Domestic Patent References:
WO2011125837A1 | 2011-10-13 |
Foreign References:
JP2009300986A | 2009-12-24 | |||
JP2006095795A | 2006-04-13 |
Attorney, Agent or Firm:
Fukami Patent Office, p. c. (JP)
Patent business corporation Fukami patent firm (JP)
Patent business corporation Fukami patent firm (JP)
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