Title:
POLYMER EMULSION AND AQUEOUS INKJET RECORDING LIQUID CONTAINING SAID POLYMER EMULSION
Document Type and Number:
WIPO Patent Application WO/2010/079569
Kind Code:
A1
Abstract:
Provided is a pigmented aqueous inkjet recording liquid with which clogging of a nozzle is improved and stable discharge is possible, with said aqueous inkjet recording liquid having excellent properties-in particular, an optical density (OD) value and wear resistance-which are required of an inkjet recording liquid. This aqueous inkjet recording liquid is a polymer emulsion which is obtained by using specific amounts of an emulsifier, water, and an aqueous polymerization initiator to radical-polymerize a radical-polymerizable unsaturated monomer (a), for which a radical-polymerizable unsaturated monomer (a2) having a specific amount of an alkoxysilyl group is an essential component; wherein said recording liquid contains a pigment and a polymer emulsion in which, according to the particle counting method, the number of 1.5 μm or larger ultra-coarse particles in the polymer emulsion when converted to a solid content concentration 0.1% is 5.0 × 105/cm3.
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Inventors:
OSHIMA YOSHITERU (JP)
KITAMOTO TSUYOSHI (JP)
WASHIO SATOSHI (JP)
KITAMOTO TSUYOSHI (JP)
WASHIO SATOSHI (JP)
Application Number:
PCT/JP2009/007235
Publication Date:
July 15, 2010
Filing Date:
December 25, 2009
Export Citation:
Assignee:
TOYO INK MFG CO (JP)
OSHIMA YOSHITERU (JP)
KITAMOTO TSUYOSHI (JP)
WASHIO SATOSHI (JP)
OSHIMA YOSHITERU (JP)
KITAMOTO TSUYOSHI (JP)
WASHIO SATOSHI (JP)
International Classes:
B41J2/01; C08F2/24; B41M5/00; C08F220/26; C09D11/00; C09D11/023; C09D11/037; C09D11/10; C09D11/106; C09D11/107; C09D11/322; C09D11/324
Foreign References:
JPH01174506A | 1989-07-11 | |||
JP2009091487A | 2009-04-30 | |||
JPH09235499A | 1997-09-09 | |||
JP2006282986A | 2006-10-19 | |||
JP2002294105A | 2002-10-09 | |||
JP2009003026A | 2009-01-08 |
Other References:
See also references of EP 2377893A4
Attorney, Agent or Firm:
IEIRI, Takeshi (JP)
家入健 (JP)
家入健 (JP)
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