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Title:
PHOTOCURABLE CLEAR INK COMPOSITION FOR INKJET PRINTING
Document Type and Number:
WIPO Patent Application WO/2018/030027
Kind Code:
A1
Abstract:
The present invention addresses the problem in which microgelation caused by heat may easily occur in a clear ink so that storage stability of the ink may deteriorate, and when the microgelation occurs in the clear ink over time, the inkjet ejection property may deteriorate. To solve the problem, the present invention provides a clear ink composition for inkjet printing, in which a photopolymerizable compound, a photopolymerization initiator, and an inorganic filler having an average particle diameter of 1-200 nm are contained in an amount of 0.05-5.0 mass%, and which has a visible light transmittance of 30% or higher.

Inventors:
NAKASHIMA OKINORI (JP)
MYOSE TAKUYA (JP)
OKAMOTO TAKUYA (JP)
FUKE KAZUHIRO (JP)
NITTA RYOICHI (JP)
Application Number:
PCT/JP2017/024233
Publication Date:
February 15, 2018
Filing Date:
June 30, 2017
Export Citation:
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Assignee:
SAKATA INX CORP (JP)
International Classes:
C09D11/32; B41J2/01; B41M5/00; C09D11/36
Foreign References:
JP2015081294A2015-04-27
JP2011219648A2011-11-04
JP2016108448A2016-06-20
JP2010106085A2010-05-13
JP2011213931A2011-10-27
JP2013121992A2013-06-20
JP2008081594A2008-04-10
JP2015057330A2015-03-26
JP2014172986A2014-09-22
JP2015081294A2015-04-27
JP2011219648A2011-11-04
Other References:
See also references of EP 3498789A4
Attorney, Agent or Firm:
YAMADA Yasuyuki et al. (JP)
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