Title:
INDUSTRIAL DEINK OF INK COMPOSITION
Document Type and Number:
Japanese Patent JP2019163479
Kind Code:
A
Abstract:
To provide an ink composition capable of an industrial deink method without reducing printing performance of an ink.SOLUTION: There is provided an ink composition containing a stimulation responsive dispersant for dispersing a pigment in an aprotic polar solvent, the stimulation responsive dispersant contains a stimulation responsive part with a photodissociation group, and a hydrophilic part for solvent stabilization of the pigment, and the stimulation responsive part with the photodissociation group having a Ph-(C=O)-A type combination structural formula with a benzoyl group and a polar group at an α position to carbonyl of the benzoyl group initiates degradation when stimulation is received, wherein a phenyl group Ph may be substituted by a fixation part or the hydrophilic part and A is a polar group.SELECTED DRAWING: None
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Inventors:
GEERT GASTON PAUL DEROOVER
LODE ERIK DRIES DEPREZ
LODE ERIK DRIES DEPREZ
Application Number:
JP2019095711A
Publication Date:
September 26, 2019
Filing Date:
May 22, 2019
Export Citation:
Assignee:
XEIKON MFG NV
International Classes:
C09D11/38; C09K23/00; B41J2/01; B41M5/00
Domestic Patent References:
| JP2001123096A | 2001-05-08 | |||
| JP2010201370A | 2010-09-16 | |||
| JP2009226622A | 2009-10-08 | |||
| JP2003326691A | 2003-11-19 |
Foreign References:
| US8246754B2 | 2012-08-21 |
Attorney, Agent or Firm:
Norihito Yamao
Yoshida Tamaki
Chie Sawauchi
Yoshida Tamaki
Chie Sawauchi