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Ink, method of reducing kogation on heater of ink-jet recording head, ink-jet recording process, ink-jet recording apparatus, recording unit, and method for lengthening the life of recording head
Ink, method of reducing kogation on heater of ink-jet recording head, ink-jet recording process, ink-jet recording apparatus, recording unit, and method for lengthening the life of recording head
Disclosed herein is a method of reducing kogation on the surface of a heater for applying thermal energy to an ink to eject the ink from an orifice in an ink-jet printer having a recording head equipped with the heater, wherein the heater has an outermost protective layer comprising a metal and/or a metal oxide, and the ink comprises (a) a coloring material, (b) a liquid medium, and (c) at least one selected from the group consisting of polyol phosphates and salts thereof.
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