Title:
THERMORESPONSIVE COMPOSITION AND THERMORESPONSIVE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/190229
Kind Code:
A1
Abstract:
One embodiment of the present invention provides a thermoresponsive composition and a thermosresponsive material that contain microcapsules and a coloring material. The microcapsules have a number average wall thickness of 10–200 nm and encapsulate: a coloring pigment that is the product of reacting an electron-donating dye precursor and an electron-accepting compound that causes the electron-donating dye precursor to become colored; and a discoloration-temperature regulator. The coloring material is on the inside and/or the outside of the microcapsules.
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Inventors:
KAWAKAMI HIROSHI (JP)
Application Number:
PCT/JP2018/014486
Publication Date:
October 18, 2018
Filing Date:
April 04, 2018
Export Citation:
Assignee:
FUJIFILM CORP (JP)
International Classes:
C09K9/02; C09B11/28; C09B67/08
Domestic Patent References:
| WO2016194915A1 | 2016-12-08 |
Foreign References:
| JP2014213543A | 2014-11-17 | |||
| JP2012077261A | 2012-04-19 | |||
| JP2009166310A | 2009-07-30 | |||
| JP2009067863A | 2009-04-02 | |||
| JP2005089576A | 2005-04-07 | |||
| JP2004359762A | 2004-12-24 | |||
| JP2004255632A | 2004-09-16 | |||
| JP2012158621A | 2012-08-23 |
Attorney, Agent or Firm:
TAIYO, NAKAJIMA & KATO (JP)
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