Title:
浸透乾燥型オフセット印刷用カラーインキ
Document Type and Number:
Japanese Patent JP7342684
Kind Code:
B2
Abstract:
To provide ink which can secure a stable quality of a paper surface due to excellent ink transferability without causing fountain sagging, and suppresses ink tightness.SOLUTION: Color ink for penetration drying-type offset printing contains (1) a chromatic color pigment, (2) a rosin-modified phenol resin which is a reactant of rosins and a resin raw material containing a phenol resin, and contains 60-80 mass% of the rosins based on the total weight of the solid content of the resin raw material, and (3) a paraffin-based solvent or a naphthene-based solvent having a dynamic viscosity at 40°C of 120 mm2/s or more and less than 5,000 mm2/s.SELECTED DRAWING: None
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Inventors:
Shunsuke Yonemura
Hiroaki Nagai
Kunio Ikeda
Hiroaki Nagai
Kunio Ikeda
Application Number:
JP2019230094A
Publication Date:
September 12, 2023
Filing Date:
December 20, 2019
Export Citation:
Assignee:
Toyo Ink sc Holdings Co., Ltd.
International Classes:
C09D11/102; C08G8/34; C09D11/033
Domestic Patent References:
| JP2007277424A | ||||
| JP2002338892A | ||||
| JP2013155262A | ||||
| JP2019019317A | ||||
| JP2017197701A | ||||
| JP2019070116A | ||||
| JP2012001714A |
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