INK COMPOSITION FOR INKJET PRINTING

USPTO Patent Application US 2012/0220702 A1
Application Date: Aug. 30th, 2012

ABSTRACT

A non-aqueous ink composition for inkjet printing is provided, which comprises 0.01 to 10 wt % of at least one ionic substance (A) selected from the group consisting of quarterly...
Assignee(s):
Inventor(s):
Tetsuo Hosoya,  Ibaraki-ken (JP)
Hiroshi Hayashi,  Ibaraki-ken (JP)
Marie Morinaga,  Ibaraki-ken (JP)
Naoyuki Torita,  Ibaraki-ken (JP)
Application Number:
13/505,596
International Classification:
C08K 5/19 (20060101); C08K 5/3467 (20060101); C08K 5/521 (20060101); C08K 5/17 (20060101); C08K 5/49 (20060101); C08K 5/09 (20060101)
US Classification:
524/88; 524/81; 524/154; 524/322; 524/140; 524/251
No Pictures Available

CLAIMS

What is claimed is:

1. A non-aqueous ink composition for inkjet printing, comprising relative to a weight of the composition: 0.01 to 10 wt % of at least one ionic substance (A) selected from the group consisting of quarterly ammonium salts, quarterly phosphonium salts, a combination of a fatty acid and/or an alkyl phosphate with...

DESCRIPTION

FIELD OF THE INVENTION

The present invention relates to an ink composition for inkjet printing, specifically to a non-aqueous ink composition comprising a copolymer having urethane bonds and an ionic substance. The non-aqueous ink composition hardly sticks to a nozzle plate, and can form a dense printed image.

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