Title:
METHOD FOR PRODUCING PIGMENT COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/100468
Kind Code:
A1
Abstract:
The present invention attempts to solve the problem of providing a method for producing a pigment composition whereby it is possible to both reduce the number of coarse particles that can be included in a pigment composition and improve the production efficiency of the pigment composition. The present invention relates to a method for producing a pigment composition in which a pigment is dispersed in a liquid medium by a pigment dispersion resin via a step 1 in which a starting material composition including the pigment, the pigment dispersion resin, and the liquid medium is processed by a disperser, said method for producing a pigment composition being characterized in that the disperser is provided with a structure for causing a plurality of quantities of the starting material composition to collide with each other.
Inventors:
NAITO WAKANA (JP)
HOTATE SHOICHI (JP)
SUGO KENJI (JP)
GANBAYASHI HIDEKI (JP)
HOTATE SHOICHI (JP)
SUGO KENJI (JP)
GANBAYASHI HIDEKI (JP)
Application Number:
PCT/JP2020/041274
Publication Date:
May 27, 2021
Filing Date:
November 05, 2020
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09C1/56; C09B67/08; C09B67/20; C09C3/04; C09D11/322; C09D17/00
Foreign References:
| JPH04501128A | 1992-02-27 | |||
| JP2000516656A | 2000-12-12 | |||
| JPH1036738A | 1998-02-10 | |||
| JP2001262038A | 2001-09-26 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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