Water-based ink and ink jet recording method using same
AssigneeBrother Kogyo Kabushiki Kaisha
InventorMasaya Fujioka
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Abstract
A water-based ink includes coloring agents, polyvalent alcohol, polyvalent alcohol monoalkyl ether, and water. The polyvalent alcohol monoalkyl ether preferably has a vapor pressure not greater than 0.1 mm Hg at 20.degree. C. The ink exhibits superior recording properties (signal responsiveness, stability in liquid form, discharge stability, continuous recording ability over long periods of time, and ink discharge stability after use has been suspended for long periods of time), fluid stability, preservation stability, adherence to recording materials, quick drying, printing quality and low odor, thus being an excellent ink for various types of ink jet recording.
Claims18
A water-based ink, comprising:
- at least one coloring agent;
- at least one polyvalent alcohol in an amount ranging from 5-50% by weight based on the weight of the ink;
- at least one polyvalent alcohol monoalkyl ether in an amount ranging from 5-15% by weight based on the weight of the ink;
- and
- water.
An ink jet recording method using water-based ink comprising jetting an ink comprising at least one coloring agent, at least one polyvalent alcohol monoalkyl ether present in an amount ranging from 5-15% by weight based on the weight of the ink, at least one polyvalent alcohol present in an amount ranging from 5-50% by weight based on the weight of the ink and water onto a recording medium.
Dependencies are inferred from the claim text.