Title:
PIGMENT COMPOSITION, COATING MATERIAL CONTAINING SAID PIGMENT COMPOSITION, AND DISPERSANT
Document Type and Number:
WIPO Patent Application WO/2018/030506
Kind Code:
A1
Abstract:
A pigment composition which contains a pigment, water and a neutralized product of an acidic group-containing dispersant (S) and a basic compound, and wherein the acidic group-containing dispersant (S) contains the resin (S1) or (S2) described below.
(S1) A resin which is a reaction product of an acid anhydride group of a tricarboxylic acid anhydride and/or a tetracarboxylic acid dianhydride and a hydroxyl group of a polymer (A) that has a hydroxyl group and an acidic group.
(S2) A resin which is a polymer obtained by polymerizing an ethylenically unsaturated monomer (C) containing an acidic group-containing ethylenically unsaturated monomer (c1) in the presence of a reaction product of an acid anhydride group of a tricarboxylic acid anhydride and/or a tetracarboxylic acid dianhydride and a hydroxyl group of a compound (B) having a hydroxyl group.
Inventors:
SAITO SAYAKA (JP)
FUJIKI MASAYUKI (JP)
HIRABAYASHI YUKI (JP)
FUJIKI MASAYUKI (JP)
HIRABAYASHI YUKI (JP)
Application Number:
PCT/JP2017/029049
Publication Date:
February 15, 2018
Filing Date:
August 10, 2017
Export Citation:
Assignee:
TOYO INK SC HOLDINGS CO LTD (JP)
TOYOCOLOR CO LTD (JP)
TOYOCOLOR CO LTD (JP)
International Classes:
C09D17/00; C08F2/38; C08F8/00; C08F20/12; C09B67/20; C09B67/46; C09D201/00; C09K23/52
Domestic Patent References:
| WO2008007776A1 | 2008-01-17 |
Foreign References:
| JP2012036379A | 2012-02-23 | |||
| JP2008029901A | 2008-02-14 | |||
| JP2010185934A | 2010-08-26 | |||
| JPH0931360A | 1997-02-04 | |||
| JP2000239376A | 2000-09-05 | |||
| JP2001064562A | 2001-03-13 | |||
| JP2000319571A | 2000-11-21 |
Attorney, Agent or Firm:
MIYOSHI Hidekazu et al. (JP)
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