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AssigneeBrother Kogyo Kabushiki Kaisha
InventorsNoriatsu Aoi, Akihiko Taniguchi, Masaya Fujioka, Shunichi Higashiyama
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A water base ink for ink-jet recording is provided, which makes it possible to perform the discharge operation stably and highly accurately for a long period of time without deteriorating a metal, for example, due to corrosion and/or dissolution even when the ink makes contact with the metal composed of nickel or an alloy containing nickel for a long period of time. The water base ink for ink-jet recording is usable for an ink-jet recording apparatus provided with an ink-jet head having a metal member which is composed of nickel or the alloy containing nickel and which is disposed at least in an ink supply passage for supplying the ink to a discharge section. The water base ink for ink-jet recording contains potassium p-tert-butylbenzoate, a coloring agent which is dispersible or soluble in water, water, and a water-soluble organic solvent.
A water base ink for ink-jet recording usable for an ink-jet recording apparatus provided with an ink-jet head in which at least a part of an ink flow passage is formed of nickel or a nickel alloy, the water base ink for ink-jet recording comprising:
An ink-jet recording apparatus comprising:
Dependencies are inferred from the claim text.