Title:
PHOTOCURABLE INK COMPOSITION FOR INKJET PRINTING
Document Type and Number:
WIPO Patent Application WO/2023/032388
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a photocurable ink composition for inkjet printing, which not only exhibits excellent LED curing properties and yellowing resistance, but also exhibits excellent solubility and can be adjusted to a suitable viscosity even in the absence of a solvent. Provided as a solution to this problem is a photocurable ink composition for inkjet printing, which contains an amine-modified oligomer at a quantity of 1.0-10.0 mass% relative to the entire amount of photopolymerizable components and which contains 1.0-40.0 parts by mass of a photopolymerization initiator represented by formula (1) and 0.3-5.0 parts by mass of a thioxanthone-based sensitizer relative to a total of 100 parts by mass of photopolymerizable components.
Inventors:
KAWAMOTO KENJI (JP)
FUKE KAZUHIRO (JP)
MYOSE TAKUYA (JP)
NAKASHIMA OKINORI (JP)
FUKE KAZUHIRO (JP)
MYOSE TAKUYA (JP)
NAKASHIMA OKINORI (JP)
Application Number:
PCT/JP2022/022872
Publication Date:
March 09, 2023
Filing Date:
June 07, 2022
Export Citation:
Assignee:
SAKATA INX CORP (JP)
International Classes:
C09D11/38
Domestic Patent References:
| WO2020226018A1 | 2020-11-12 |
Foreign References:
| JP2020169251A | 2020-10-15 | |||
| JP2009029859A | 2009-02-12 | |||
| JP2021070718A | 2021-05-06 | |||
| JP2020507664A | 2020-03-12 | |||
| JP6725663B2 | 2020-07-22 | |||
| JP2019528331A | 2019-10-10 | |||
| JP2020507664W | ||||
| JP2020169251A | 2020-10-15 |
Attorney, Agent or Firm:
YAMADA, Yasuyuki et al. (JP)
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