Title:
OXIDATIVE POLYMERIZATION DRYING-TYPE OFFSET PRINTING INK COMPOSITION AND PRINTED MATTER
Document Type and Number:
WIPO Patent Application WO/2019/039449
Kind Code:
A1
Abstract:
Provided is an oxidative polymerization drying-type offset printing ink composition which prevents ink set-off even when powder is not sprayed or the amount of powder sprayed is reduced compared to the conventional case. This oxidative polymerization drying-type offset printing ink composition comprises: a varnish containing a rosin-modified phenol resin having a cloud point of 100-210°C in AF Solvent No. 6; a dryer; a pigment; and a petroleum wax having a melting point of 80°C or lower and containing normal paraffin, wherein the viscosity of the composition is 10-60 Pa·s as measured by an L-type viscometer, the content of the normal paraffin is 0.1-3 mass%, and the content of the pigment is within a specified range.
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Inventors:
TAKAHASHI MASAKAZU (JP)
KAWADA HARUKA (JP)
OKEMURA EIJI (JP)
WAKAHARA KEISUKE (JP)
IMAI KIYONOBU (JP)
ITO YASUHIRO (JP)
KAWADA HARUKA (JP)
OKEMURA EIJI (JP)
WAKAHARA KEISUKE (JP)
IMAI KIYONOBU (JP)
ITO YASUHIRO (JP)
Application Number:
PCT/JP2018/030755
Publication Date:
February 28, 2019
Filing Date:
August 21, 2018
Export Citation:
Assignee:
DIC GRAPHICS CORP (JP)
International Classes:
C09D11/08
Domestic Patent References:
| WO2016104286A1 | 2016-06-30 |
Foreign References:
| JP2011144315A | 2011-07-28 | |||
| JP2015183079A | 2015-10-22 | |||
| JP2010047670A | 2010-03-04 | |||
| JP2016017171A | 2016-02-01 | |||
| JP2010260896A | 2010-11-18 | |||
| JP2009073953A | 2009-04-09 | |||
| JP2016204557A | 2016-12-08 | |||
| JP2002003770A | 2002-01-09 | |||
| JPH08325500A | 1996-12-10 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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