Invention Grant
- Patent Title: Aqueous ink for inkjet recording
- Patent Title (中): 用于喷墨记录的水性油墨
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Application No.: US13131221Application Date: 2009-11-20
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Publication No.: US08394871B2Publication Date: 2013-03-12
- Inventor: Atsushi Hiraishi , Masayuki Narita , Takahiro Sato , Kyoichi Shirota , Yasuhiro Doi , Hiroyuki Yoshida , Yusuke Shimizu
- Applicant: Atsushi Hiraishi , Masayuki Narita , Takahiro Sato , Kyoichi Shirota , Yasuhiro Doi , Hiroyuki Yoshida , Yusuke Shimizu
- Applicant Address: JP Tokyo
- Assignee: KAO Corporation
- Current Assignee: KAO Corporation
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2008-299491 20081125; JP2009-118468 20090515; JP2009-134413 20090603; JP2009-164736 20090713; JP2009-254289 20091105
- International Application: PCT/JP2009/069730 WO 20091120
- International Announcement: WO2010/061798 WO 20100603
- Main IPC: C09D11/10
- IPC: C09D11/10
Abstract:
The present invention provides [1] a water dispersion for ink-jet printing containing chain-like particles each containing anionic organic pigment particles and a cationic polymer, wherein the ratio of organic pigment primary particles forming the chain-like particles to all the pigment primary particles contained in the water dispersion is 10% by number or more; [2] a water-based ink for ink-jet printing containing the water dispersion; [3] a method for producing a water dispersion for ink-jet printing as described above in [1]; and [4] a water-based ink for ink-jet printing containing a water dispersion produced through the method. The water dispersion and water-based ink for ink-jet printing of the present invention realize excellent optical density.
Public/Granted literature
- US20110263752A1 AQUEOUS INK FOR INKJET RECORDING Public/Granted day:2011-10-27
Information query
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