Title:
DECORATIVE SHEET
Document Type and Number:
WIPO Patent Application WO/2024/071387
Kind Code:
A1
Abstract:
There is provided a decorative sheet having high ink adhesion without using an oil-based ink having a high environmental load. The decorative sheet includes: a base paper; a thermoplastic resin layer provided on one surface side of the base paper; an ink layer provided on the thermoplastic resin layer of opposite to the base paper side and containing a water-based ink and at least one of a xylene diamine-based curing agent, a polycarbodiimide-based curing agent, and an aziridine-based curing agent as a curing agent; and a surface protective layer provided on the opposite surface side to the thermoplastic resin layer of the ink layer. The addition amount of the curing agent in the ink layer is preferably 1 part by mass or more and 30 parts by mass or less based on 100 parts by mass of the water-based ink.
Inventors:
ISEYA TAKAHIRO (JP)
Application Number:
PCT/JP2023/035669
Publication Date:
April 04, 2024
Filing Date:
September 29, 2023
Export Citation:
Assignee:
TOPPAN HOLDINGS INC (JP)
International Classes:
B32B27/00; B32B27/10; B32B27/26; C09D11/03
Foreign References:
| JP2003011315A | 2003-01-15 | |||
| JP2006272936A | 2006-10-12 | |||
| JP2013018231A | 2013-01-31 | |||
| JPH08150693A | 1996-06-11 | |||
| JP2020075442A | 2020-05-21 | |||
| JP2000218747A | 2000-08-08 | |||
| JP2019073017A | 2019-05-16 | |||
| JP2016006181A | 2016-01-14 | |||
| JP2008247020A | 2008-10-16 | |||
| JP2006205709A | 2006-08-10 |
Other References:
OSAMU HARA: "The curing agent of epoxy resin ", THREE BOND TECHNICAL NEWS, vol. 32, 20 December 1990 (1990-12-20), XP093156853
Attorney, Agent or Firm:
HIROSE Hajime et al. (JP)
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