Title:
AQUEOUS PIGMENT DISPERSION
Document Type and Number:
WIPO Patent Application WO/2019/026804
Kind Code:
A1
Abstract:
The present invention relates to an aqueous pigment dispersion which comprises a pigment, a crosslinked polymer, and water, wherein the crosslinked polymer has been obtained by crosslinking a carboxylated polymer with a crosslinking agent and has an acid value of 70-300 mg-KOH/g, the aqueous pigment dispersion containing a compound which releases formaldehyde. The aqueous pigment dispersion has excellent storability even in long-term storage at high temperatures.
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Inventors:
SUZUKI TAKAYUKI (JP)
YAMAMOTO TAKAKO (JP)
MAEKAWA ERIKA (JP)
UEDA YASUFUMI (JP)
YAMAMOTO TAKAKO (JP)
MAEKAWA ERIKA (JP)
UEDA YASUFUMI (JP)
Application Number:
PCT/JP2018/028309
Publication Date:
February 07, 2019
Filing Date:
July 27, 2018
Export Citation:
Assignee:
KAO CORP (JP)
International Classes:
B41J2/01; C09D17/00; B41M5/00; C09B67/20; C09C3/10; C09D11/322; C09D11/38
Domestic Patent References:
| WO2000024679A1 | 2000-05-04 |
Foreign References:
| JP2017119845A | 2017-07-06 | |||
| JP2011137102A | 2011-07-14 | |||
| US6433039B1 | 2002-08-13 | |||
| JPH11335610A | 1999-12-07 | |||
| JP2015196745A | 2015-11-09 | |||
| US6114366A | 2000-09-05 | |||
| JPS5516037A | 1980-02-04 | |||
| JP2004231896A | 2004-08-19 | |||
| JP2004231897A | 2004-08-19 | |||
| JP2009108115A | 2009-05-21 | |||
| JP2004231896A | 2004-08-19 | |||
| JP2004231897A | 2004-08-19 | |||
| JP2009535486A | 2009-10-01 | |||
| JP2009108115A | 2009-05-21 |
Other References:
See also references of EP 3663369A4
Attorney, Agent or Firm:
KATAOKA, Makoto et al. (JP)
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