Title:
QUINACRIDONE PIGMENT FOR RESIN COLORING
Document Type and Number:
WIPO Patent Application WO/2018/003595
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a quinacridone pigment composition for coloring plastics, especially engineering plastics, that exhibits excellent heat resistance, undergoes very little fading (color change of molded plate) during resin molding, and has high coloring power; a dry color and master batch containing the pigment composition; and a resin composition. This problem is solved by providing 2,9-dichloroquinacridone characterized in that the crystallite diameter determined by x-ray diffraction is in the range of 20-40 nm and the specific surface area is 40 m2/g or higher.
Inventors:
HIGUCHI YUKIKO (JP)
SAITOU SHINGO (JP)
OKABE HIDEKI (JP)
SAITOU SHINGO (JP)
OKABE HIDEKI (JP)
Application Number:
PCT/JP2017/022654
Publication Date:
January 04, 2018
Filing Date:
June 20, 2017
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
C09B48/00; C08K5/3465; C08L101/00; C09B67/20; C09B67/52
Domestic Patent References:
| WO2011024896A1 | 2011-03-03 |
Foreign References:
| JPH05230384A | 1993-09-07 | |||
| JPH10251533A | 1998-09-22 | |||
| JP2009161690A | 2009-07-23 | |||
| JPS62220559A | 1987-09-28 |
Attorney, Agent or Firm:
KONO Michihiro (JP)
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