Title:
PIGMENT DISPERSION FOR INKJET INK, INKJET INK, AND PRINTED MATTER
Document Type and Number:
WIPO Patent Application WO/2024/079999
Kind Code:
A1
Abstract:
A purpose of the present invention is to provide an inkjet ink which, when printed on various substrates including plastic substrates, gives printed matter having satisfactory abrasion resistance and alcohol resistance and which emits no odor during production, etc. Specifically, the present invention relates to a pigment dispersion for inkjetting which comprises a dispersant (A), a pigment (B), a binder (C), and water (D), and is characterized in that the dispersant (A) includes a non-crosslinked resin (A1) at least having constituent units (a1) derived from a monomer having an acid group and that, in the resin (A1), the acid groups in the constituent units (a1) have been neutralized with an alkanolamine to a degree of neutralization of 80-200% when the degree of neutralization of the acid groups with a theoretical equivalent amount is taken as 100%, the alkanolamine having 1-3 hydroxyl groups in the structure.
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Inventors:
NISHIJIMA TAKASHI (JP)
HATTORI IWAO (JP)
YOKOYAMA RYUJI (JP)
ENOMOTO YUYA (JP)
HATTORI IWAO (JP)
YOKOYAMA RYUJI (JP)
ENOMOTO YUYA (JP)
Application Number:
PCT/JP2023/030421
Publication Date:
April 18, 2024
Filing Date:
August 24, 2023
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09D11/326; B41M5/00; C09D17/00
Domestic Patent References:
| WO2022168738A1 | 2022-08-11 |
Foreign References:
| JPH08311383A | 1996-11-26 | |||
| JPH08183920A | 1996-07-16 | |||
| JP2022505750A | 2022-01-14 | |||
| JP2010163580A | 2010-07-29 | |||
| JP2009173879A | 2009-08-06 | |||
| JP2022170110A | 2022-11-10 |
Attorney, Agent or Firm:
ONO Takayuki (JP)
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