Title:
分散剤、並びに、それを用いた顔料組成物、顔料分散体、及びインクジェットインキ
Document Type and Number:
Japanese Patent JP5470945
Kind Code:
B2
Abstract:
A dispersing agent characterized in that said dispersing agent is prepared by reacting primary and/or secondary amino groups of an amine compound comprising a polyamine (C) with isocyanate groups of a urethane prepolymer (E) having two isocyanate groups in one terminal region, wherein said urethane prepolymer (E) has been prepared by reacting hydroxyl groups in a vinyl polymer (A) having two hydroxyl groups in one terminal region with isocyanate groups in diisocyanates (B), and in that an amine number of said dispersing agent is 1 to 100 mgKOH/g is disclosed. The dispersing agent of the present invention has excellent dispersibility, flowability, and storage stability when used in small quantities. A pigment-dispersed product can be prepared therefrom, independently of the kinds of binder resin or solvent used. Further, the present invention is suitable for offset ink, gravure ink, resist ink for a color filter, inkjet ink, coating composition, and colored resin composition.
Inventors:
Kazunori Shigemori
Tachibana Tomoko
Ariyoshi Yasushi
Ken Yamasaki
Yoda Jun
Daisuke Fujiwara
Mutsumi Nakazato
Hiroshima Tsutomu
Tachibana Tomoko
Ariyoshi Yasushi
Ken Yamasaki
Yoda Jun
Daisuke Fujiwara
Mutsumi Nakazato
Hiroshima Tsutomu
Application Number:
JP2009067974A
Publication Date:
April 16, 2014
Filing Date:
March 19, 2009
Export Citation:
Assignee:
Toyo Ink sc Holdings Co., Ltd.
International Classes:
C09K23/16; C09B47/04; C09B48/00; C09B67/20; C09B67/22; C09D11/00; C09D17/00; C09K23/52
Domestic Patent References:
| JP2004339367A | ||||
| JP2007131753A | ||||
| JP2002532242A | ||||
| JP9035242A | ||||
| JP2002503746A |
Foreign References:
| WO2006132910A1 |