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Title:
ACTINIC RAY HARDENING INK AND METHOD OF IMAGE FORMING, AND INKJET RECORDING APPARATUS, UTILIZING THE INK
Document Type and Number:
WIPO Patent Application WO/2008/010396
Kind Code:
A1
Abstract:
A photopolymerizable-compound-containing actinic ray hardening ink containing a urethane polymer, characterized in that the number of isocyanate groups remaining in the urethane polymer and urethane oligomers is 0.1% or less of the sum of all isocyanate groups of isocyanate compound needed for the synthesis of the urethane polymer. Accordingly, there is provided an actinic ray hardening ink that despite storage temperature and period, is capable of forming a hardened film excelling in color mixing resistance, hardness, peel resistance and flexibility. Further, there are provided a method of image forming, and inkjet recording apparatus, utilizing the ink.

Inventors:
MOGI KENTAROU (JP)
TAKABAYASHI TOSHIYUKI (JP)
Application Number:
PCT/JP2007/062994
Publication Date:
January 24, 2008
Filing Date:
June 28, 2007
Export Citation:
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Assignee:
KONICA MINOLTA MED & GRAPHIC (JP)
MOGI KENTAROU (JP)
TAKABAYASHI TOSHIYUKI (JP)
International Classes:
C09D11/00; B41J2/01; B41M5/00; B41M5/50; B41M5/52
Foreign References:
JP2004124077A2004-04-22
JP2004059857A2004-02-26
JP2004277483A2004-10-07
JP2004351761A2004-12-16
JP2006298951A2006-11-02
JPH06200204A1994-07-19
JP2000504778A2000-04-18
JPH083493A1996-01-09
JP2001220526A2001-08-14
JP2002188025A2002-07-05
JP2002317139A2002-10-31
JP2003055449A2003-02-26
JP2001310937A2001-11-06
JPS60132767A1985-07-15
US6145979A2000-11-14
Other References:
See also references of EP 2045299A4
"Organic Materials for Imaging", 1993, pages: 187 - 192
"High precision color digital standard image data ", December 1995, FOUNDATION, JAPANESE STANDARDS ASSOCIATION
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