Inkjet printing process and non-aqueous ink set
AssigneeRiso Kagaku Corporation
InventorsToshihiro Endo, Shinichiro Shimura, Naoyuki Torita
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Abstract
An inkjet printing process including forming an image by superposing two or more kinds of inks, wherein the two or more kinds of inks contain (A) an ink containing at least a first coloring material, a non-aqueous solvent, a non-aqueous resin, and a water-soluble resin having an amino group, and (B) an ink containing at least a second coloring material, a non-aqueous solvent, and a nitrogen-containing graft copolymer having a polyester side chain, and a non-aqueous ink set containing the ink (A) and the ink (B).
Claims15
An inkjet printing process comprising forming an image by superposing two or more different inks selected from an ink set, the ink set comprising:
- (A) an ink containing at least a first coloring material,
- a non-aqueous solvent,
- a non-aqueous resin, and
- a water-soluble resin having an amino group, and
- (B) an ink containing at least
- a second coloring material,
- a non-aqueous solvent, and
- a nitrogen-containing graft copolymer having a polyester side chain.
A non-aqueous ink set comprising
- (A) an ink containing at least
- a first coloring material,
- a non-aqueous solvent,
- a non-aqueous resin, and
- a water-soluble resin having an amino group, and
- (B) an ink containing at least
- a second coloring material,
- a non-aqueous solvent, and
- a nitrogen-containing graft copolymer having a polyester side chain.
Dependencies are inferred from the claim text.