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US 7,404,852 B2Granted
Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet ink
AssigneeToshiba Tec Kabushiki Kaisha
InventorsMitsuru Ishibashi, Toru Ushirogochi, Kazuhiko Ohtsu, Ryozo Akiyama, Masashi Hiroki
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Abstract
An inkjet ink is provided, which includes a solvent and a pigment having an average particle diameter of not larger than 250 nm. The number of flocculates of pigment particles having a diameter of 1 μm or more is 1.6×108/cm3 or less.
Claims5
An inkjet ink comprising:
- an organic solvent, at least 90% by weight of the organic solvent being a polymerizable monomer;
- a pigment having an average particle diameter of 250 nm or less;
- and
- a photopolymerization initiator,
- wherein the number of flocculates of pigment particles having a diameter of 1 μm or more is 1.6×108/cm3 or less.
2 more elements
Dependencies are inferred from the claim text.