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US 2020/0369047 A1Published application
Photo-curable ink jet ink set and ink jet recording method using the same
AssigneeSeiko Epson Corporation
InventorsKeitaro NAKANO, Jun ITO
Life of this patent
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Abstract
A photo-curable ink jet ink set includes an undercoating photo-curable ink jet ink containing a (meth)acrylic acid ester having a vinyl ether group expressed by general formula (I), and an overcoating photo-curable ink jet ink. The undercoating photo-curable ink jet ink has a higher surface tension than the overcoating photo-curable ink jet ink.
Claims8
A photo-curable ink jet ink set comprising:
- an undercoating photo-curable ink jet ink having a surface tension and containing a (meth)acrylic acid ester having a vinyl ether group expressed by general formula (I):
- CH2═CR1—COOR2—O—CH═CH—R3, wherein R1 represents a hydrogen atom or a methyl group, R2 represents a divalent organic residue having a carbon number of 2 to 20, and R3 represents a hydrogen atom or a monovalent organic residue having a carbon number of 1 to 11;
- and
- an overcoating photo-curable ink jet ink having a surface tension and containing a phenoxyethyl (meth)acrylate,
- wherein the surface tension of the undercoating photocurable ink jet ink is higher than the surface tension of the overcoating photo-curable ink jet ink.
2 more elements
Dependencies are inferred from the claim text.