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US 8,474,967 B2Granted
Ink jet recording process
AssigneeSeiko Epson Corporation
InventorsKatsuko Aoki, Hiroshi Mukai
Life of this patent
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Abstract
Recording onto a non-ink-absorbing recording medium is performed using an aqueous ink composition containing a first solvent composed of at least one selected from 2-pyrrolidone, 1,3-dimethyl-imidazolidinone, and N,N′-dimethylpropylene urea, a second solvent composed of at least one selected from 1,2-hexanediol and 1,2-pentanediol, and a third solvent composed of at least one selected from glycol diethers and heating the non-ink-absorbing recording medium at 40 to 60° C.
Claims6
An ink jet recording process comprising:
- heating a recording medium of a polyvinyl chloride film to a temperature range of 40 to 60° C. and discharging droplets of an aqueous ink composition with an ink jet recording apparatus;
- and
- heating the recording medium to a temperature range of 40 to 60° C. to dry the aqueous ink composition discharged on the recording medium,
- wherein the aqueous ink composition contains:
- water;
- at least one kind of water-insoluble coloring agent;
- water-insoluble thermoplastic resin particles;
- a surfactant;
- a first solvent composed of at least one selected from 2-pyrrolidone, 1,3-dimethyl-imidazolidinone, and N,N′-dimethylpropylene urea;
- a second solvent composed of at least one selected from 1,2-hexanediol and 1,2-pentanediol;
- and
- a third solvent composed of at least one selected from glycol diethers having a boiling point of 150 to 220° C., and
- the content (W1) of the first solvent in the aqueous ink composition is 4 to 15 mass %;
- the content (W2) of the second solvent in the aqueous ink composition is 3 to 8 mass %;
- the total content (W1+W2) of the first solvent and the second solvent is 18 mass % or less;
- and
- the content (W3) of the third solvent in the aqueous ink composition is 4 to 20 mass %.
14 more elements
Dependencies are inferred from the claim text.