Invention Grant
- Patent Title: Pigment dispersions
- Patent Title (中): 颜料分散体
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Application No.: US12737659Application Date: 2009-08-05
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Publication No.: US08822591B2Publication Date: 2014-09-02
- Inventor: Yoshikazu Murakami , Hiroyuki Shimanaka , Toshiyuki Hitotsuyanagi , Shinya Tsuchida , Atsushi Goto , Yoshinobu Tsujii , Takeshi Fukuda
- Applicant: Yoshikazu Murakami , Hiroyuki Shimanaka , Toshiyuki Hitotsuyanagi , Shinya Tsuchida , Atsushi Goto , Yoshinobu Tsujii , Takeshi Fukuda
- Applicant Address: JP Chuo-ku, Tokyo JP Kyoto-shi, Kyoto
- Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.,Kyoto University
- Current Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.,Kyoto University
- Current Assignee Address: JP Chuo-ku, Tokyo JP Kyoto-shi, Kyoto
- Agency: Taft Stettinius & Hollister LLP
- Priority: JP2008-201411 20080805
- International Application: PCT/JP2009/063878 WO 20090805
- International Announcement: WO2010/016523 WO 20100211
- Main IPC: C08F8/30
- IPC: C08F8/30 ; C08F297/00 ; C09D7/00 ; C09D11/10 ; C09D153/00 ; C09D17/00 ; C08L53/00 ; C08F293/00
Abstract:
Disclosed is a pigment dispersion containing at least a pigment, a liquid medium and a high-molecular dispersant. The high-molecular dispersant is a block polymer represented by A-B or A-B-C, in which A, B and C each represent a polymer block and the A and C blocks may be the same or different. The block polymer and its production process are also disclosed. The high-molecular dispersant is free of problems of a smell, coloration, a heavy metal and cost, and its use can provide a pigment dispersion excellent in the dispersion stability of a pigment.
Public/Granted literature
- US20110136965A1 PIGMENT DISPERSIONS, BLOCK POLYMERS AND MANUFACTURING METHOD THEREFOR Public/Granted day:2011-06-09
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