Title:
光硬化型インクジェット印刷用インク組成物
Document Type and Number:
Japanese Patent JP7354505
Kind Code:
B2
Abstract:
To provide a photocurable ink composition for inkjet printing, which has excellent curability, tackiness, adhesiveness, bending resistance, scratch resistance, water resistance, ethanol resistance, and the like.SOLUTION: A photocurable ink composition for inkjet printing satisfies all of the following requirements A to F. A: a total content of one or more compounds selected from vinyl methyl oxazolidinone, N,N-dimethylacrylamide, benzyl acrylate, and N-vinyl caprolactam is 30.0 mass% or more. B: a total content of one or more compounds selected from monofunctional or polyfunctional monomers containing a saturated hydrocarbon group having a carbon number of 6 or more is 15.0 mass% or more. C: a content of bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide is 3.5 mass% or more. D: two photoinitiators satisfy a combination of specific contents. E: a content of an amine-modified oligomer is 0.5 to 15.0 mass%. F: a coloring material.SELECTED DRAWING: None
Inventors:
Okinori Nakajima
Ryoichi Nitta
Mitsunori Ogasawara
Ryoichi Nitta
Mitsunori Ogasawara
Application Number:
JP2021013631A
Publication Date:
October 03, 2023
Filing Date:
January 29, 2021
Export Citation:
Assignee:
Sakata Inx Co., Ltd.
International Classes:
C09D11/38; B41J2/01; B41M5/00; C09D11/326
Domestic Patent References:
| JP2017149825A | ||||
| JP2019183018A | ||||
| JP201931618A | ||||
| JP201530796A | ||||
| JP2012201815A | ||||
| JP2015160890A | ||||
| JP201121118A | ||||
| JP201168783A | ||||
| JP2018122431A |
Foreign References:
| WO2010143738A1 |
Attorney, Agent or Firm:
Yasuyuki Yamada
Tatsuya Ando
Tatsuya Ando