Title:
WATER-BASED INK-JET INK AND PRINTED MATTER
Document Type and Number:
WIPO Patent Application WO/2021/176792
Kind Code:
A1
Abstract:
A water-based ink for ink-jet printing which comprises a colorant, one or more resins, a wetting agent, a surfactant, and water, wherein the wetting agent includes a polyhydric alcohol having a solubility parameter of 11.0-15.0 in an amount of 60 mass% or larger with respect to the whole wetting agent, the resins include a (meth)acrylic resin having a polydimethylsiloxane chain structure and a polyether chain structure in side chains and having a weight-average molecular weight of 2,000-30,000, the (meth)acrylic resin being water-soluble, and the ratio of the amount of the polyhydric alcohol to the amount of the (meth)acrylic resin is 1500:1 to 6:1 by mass, the water-based ink having a content of fluorine atoms of up to 500 mass ppm of the whole water-based ink.
Inventors:
YODA ATSUSHI (JP)
MASATOKI MUTSUKO (JP)
JONAI KAZUHIRO (JP)
MASATOKI MUTSUKO (JP)
JONAI KAZUHIRO (JP)
Application Number:
PCT/JP2020/046335
Publication Date:
September 10, 2021
Filing Date:
December 11, 2020
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYOCOLOR CO LTD (JP)
TOYOCOLOR CO LTD (JP)
International Classes:
C09D11/322; C09D11/38
Domestic Patent References:
| WO2017168817A1 | 2017-10-05 | |||
| WO2000022056A1 | 2000-04-20 | |||
| WO2018181645A1 | 2018-10-04 |
Foreign References:
| JP2019151843A | 2019-09-12 | |||
| JP2019177661A | 2019-10-17 | |||
| JP2013194161A | 2013-09-30 | |||
| JP2018058347A | 2018-04-12 | |||
| JP2018122529A | 2018-08-09 | |||
| JP2016029120A | 2016-03-03 | |||
| JP2005023248A | 2005-01-27 | |||
| JP2020015234A | 2020-01-30 | |||
| JP2004043518A | 2004-02-12 | |||
| JP2007238813A | 2007-09-20 | |||
| JPH0326724A | 1991-02-05 | |||
| JP2009263553A | 2009-11-12 | |||
| JP2020038302A | 2020-03-12 |
Other References:
J.A. BRYDSON: "Plastics Materials", 1995, BUTTERWORTH-HEINEMANN
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
Download PDF: