Aqueous ink composition, ink set, image forming method, and resin microparticles
AssigneeFUJIFILM Corporation
InventorsKoji YASUDA, Toshihiro KARIYA, Atsushi KAERIYAMA
Life of this patent
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Abstract
An aqueous ink composition includes an aqueous medium and resin microparticles formed from a resin, in which the resin has a structural unit represented by General Formula (1) or (2), and the content of the resin microparticles is 1% to 15% by mass, R1, R2, and R3 each represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms; A1 represents —O— or —NR3—; L1 represents an alkylene group having 6 to 22 carbon atoms; M1 and M2 each represent a hydrogen atom, an alkali metal ion, or an ammonium ion; A2 represents a single bond, —COO—, or —CONH—; and L2 represents a divalent linking group having 6 to 23 carbon atoms.
Claims20
An aqueous ink composition at least comprising:
- an aqueous medium;
- and
- resin microparticles composed of a resin,
- wherein the resin has a structural unit represented by General Formula (1) or (2), and
- the content of the resin microparticles in the aqueous ink composition is 1% to 15% by mass,
- in General Formula (1), R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;
- A1 represents —O— or —NR3—;
- R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;
- L1 represents an alkylene group having 6 to 22 carbon atoms;
- and
- M1 represents a hydrogen atom, an alkali metal ion, or an ammonium ion, and
- in General Formula (2), R2 has the same meaning as R1;
- A2 represents a single bond, —COO—, or —CONH—;
- L2 represents a divalent linking group having 6 to 23 carbon atoms;
- and
- M2 has the same meaning as M1.
Resin microparticles comprising:
- a resin having a structural unit represented by General Formula (1) or General Formula (2),
- in General Formula (1), R1 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;
- A1 represents —O— or —NR3—;
- R3 represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms;
- L1 represents an alkylene group having 6 to 22 carbon atoms;
- and
- M1 represents a hydrogen atom, an alkali metal ion, or an ammonium ion, and
- in General Formula (2), R2 has the same meaning as R1;
- A2 represents a single bond, —COO—, or —CONH—;
- L2 represents a divalent linking group having 6 to 23 carbon atoms;
- and
- M2 has the same meaning as M1.
Dependencies are inferred from the claim text.