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Title:
ACTIVE ENERGY RAY CURABLE INK COMPOSITION AND METHOD FOR MANUFACTURING PRINTED MATTER USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/162039
Kind Code:
A1
Abstract:
[Problem] To provide an active energy ray curable ink composition which is capable of maintaining basic properties of an ink composition such as compatibility while having an increased proportion of a biomass derived raw material. [Solution] Provided is an active energy ray curable ink composition which comprises a pigment, a compound having an ethylenically unsaturated bond, and a rosin-modified alkyd resin, wherein the rosin-modified alkyd resin is a polycondensate of an acid component that contains resin acid, fatty acid, and polybasic acid, and polyalcohol, has a solubility parameter SP value by a cloud point titration method of 9.0 to 11.0 (cal/cm3)1/2, and has an acid value of 1 to 50 mgKOH/g.

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Inventors:
HISHINUMA KEISHIRO (JP)
OMI NAOKI (JP)
HISANAGA YOSHIHIRO (JP)
NISHIMOTO AIKA (JP)
Application Number:
PCT/JP2019/048590
Publication Date:
August 13, 2020
Filing Date:
December 11, 2019
Export Citation:
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Assignee:
SAKATA INX CORP (JP)
International Classes:
C09D11/101
Domestic Patent References:
WO2015068283A12015-05-14
Foreign References:
JP2018065912A2018-04-26
JP2005225903A2005-08-25
JP2002327136A2002-11-15
JP2002363446A2002-12-18
JP2018058956A2018-04-12
JPS63264686A1988-11-01
JP2010072130A2010-04-02
JP5477995B12014-04-23
JP2004161812A2004-06-10
Other References:
K. W. SUHJ. M. CORBETT, J. APPL. POLYM. SCI., vol. 12, 1968, pages 2359
See also references of EP 3922688A4
Attorney, Agent or Firm:
MAEDA Shinya (JP)
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