Title:
LINERLESS THERMOSENSITIVE RECORDING LABEL
Document Type and Number:
WIPO Patent Application WO/2022/107844
Kind Code:
A1
Abstract:
Disclosed is a linerless thermosensitive recording label having a support body and having: on one surface of the support body sequentially from the side closer to the support body, an undercoat layer, a thermosensitive recording layer containing a dye precursor and a developer, a protective layer containing an adhesive agent, and a release layer; and, on the other surface of the support body, a pressure sensitive adhesive layer. In the undercoat layer, a styrene-butadiene latex is contained at a proportion of 10-80 mass% in the total solid amount of the undercoat layer. At least one crosslinking agent selected from the group consisting of adipic acid dihydrazide, 1,3-(hydroxymethyl)urea, and glyoxal is contained in at least one layer among the undercoat layer, the thermosensitive recording layer, and the protective layer. The contained amount of the crosslinking agent is 0.001-1.0 g/m2.
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Inventors:
AKIMOTO SHINYA (JP)
MOROFUJI KENTARO (JP)
TAKEMURA TAKASHI (JP)
MOROFUJI KENTARO (JP)
TAKEMURA TAKASHI (JP)
Application Number:
PCT/JP2021/042415
Publication Date:
May 27, 2022
Filing Date:
November 18, 2021
Export Citation:
Assignee:
OJI HOLDINGS CORP (JP)
International Classes:
B41M5/337; B41M5/40; B41M5/42; B41M5/44
Domestic Patent References:
| WO2020175649A1 | 2020-09-03 |
Foreign References:
| JP2017177627A | 2017-10-05 | |||
| JP2013195889A | 2013-09-30 | |||
| JP2020175556A | 2020-10-29 |
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (JP)
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