Title:
INK COMPOSITION FOR INKJET PRINTING FOR POLYVINYL CHLORIDE
Document Type and Number:
Japanese Patent JP2015067763
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an ink composition for inkjet printing for polyvinyl chloride capable of forming a printed matter excellent in ethanol resistance and excellent in discharge stability and storage stability.SOLUTION: There is provided an ink composition for inkjet printing for polyvinyl chloride containing a pigment (A), a vinyl chloride-vinyl acetate polymer resin (B) having weight average molecular weight/number average molecular weight of 5.0 to 7.0, a mass ratio of vinyl chloride unit/vinyl acetate unit of 80/20 to 90/10, a haze value of a resin solution with concentration of 20 mass% in diethylene glycol ethyl methyl ether of 10.0% or less, a pigment dispersant (C) and an organic solvent (D) containing a compound represented by the formula (1) RO-(AO)n-R, where AO is alkylene oxide having 2 or 3 carbon atoms, Rand Rare each independently an alkyl group having 1 to 4 carbon atoms and n is an integer of 1 to 4.
Inventors:
HAMANAKA SEIJI
MATSUYAMA TAKAHISA
TAMURA YUSUKE
IWAZAWA AKIRA
MATSUYAMA TAKAHISA
TAMURA YUSUKE
IWAZAWA AKIRA
Application Number:
JP2013204427A
Publication Date:
April 13, 2015
Filing Date:
September 30, 2013
Export Citation:
Assignee:
DAINIPPON TORYO KK
International Classes:
C09D11/00; B41J2/01; B41M5/00
Domestic Patent References:
| JP2011178987A | 2011-09-15 |
Attorney, Agent or Firm:
Michio Nagai
Yoichi Iino
Yoichi Iino
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