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US 12,180,376 B2Granted
Radiation-curable ink jet composition and recording method
AssigneeSeiko Epson Corporation
InventorsKyohei Tanaka, Emi Takeuchi
Life of this patent
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Abstract
A radiation-curable ink jet composition includes inorganic particles, a coloring material, and a polymerizable compound. The polymerizable compound contains a monofunctional monomer. A content of the monofunctional monomer is 80% by mass or greater with respect to a total amount of the polymerizable compound. A content of the inorganic particles is 10% by mass or less with respect to a total amount of the ink composition.
Claims6
A radiation-curable ink jet composition comprising:
- inorganic particles;
- a coloring material;
- and
- a polymerizable compound,
- wherein the polymerizable compound contains a monofunctional monomer,
- a content of the monofunctional monomer is 80% by mass or greater with respect to a total amount of the polymerizable compound,
- a content of the inorganic particles is 10% by mass or less with respect to a total amount of the ink composition,
- the monofunctional monomer contains a monofunctional monomer having an alicyclic group, and a content of the monofunctional monomer having the alicyclic group is in a range of 15% to 35% relative to a total amount of the polymerizable compound,
- the polymerizable compound contains a polyfunctional monomer, and
- the polyfunctional monomer contains a vinyl group-containing (meth) acrylate represented by Formula (1):
- H2C═CR1—CO—OR2—O—CH═CH—R3(1)
- wherein in the formula (1), R1 represents a hydrogen atom or a methyl group, R2 represents a divalent organic residue having 2 to 20 carbon atoms, and R3 represents a hydrogen atom or a monovalent organic residue having 1 to 11 carbon atoms.
9 more elements
Dependencies are inferred from the claim text.