Ink jet ink, ink jet recording method, ink cartridge,...

Details Ink jet ink, ink jet recording method, ink cartridge,... Ink jet ink, ink jet recording method, ink cartridge,...

2007-11-13

2007-11-13

Klemanski, Helene (Department: 1755)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031580, C106S031770, C106S031860, C347S100000

Reexamination Certificate

active

11321552

ABSTRACT:
Provided is an ink jet ink containing a coloring material having a buffer region in an ink use range, the ink jet ink being capable of suppressing the occurrence of the deterioration (dissolution) of a heating portion surface in contact with liquid; and the disconnection of wiring for applying a voltage to a heating portion even when long term continuous printing is performed. The ink jet ink is used for an ink jet recording apparatus equipped with a recording head having a heating portion surface in contact with liquid comprising a metal and/or a metal oxide. The ink jet ink contains a coloring material in a content (mass %) of 3 mass % or more with respect to the total mass of the ink jet ink. The coloring material is a colorant having a buffer region in an ink use range, and comprises a compound represented by the following general formula (I) and/or a compound represented by the following general formula (II)in-line-formulae description="In-line Formulae" end="lead"?H(OCH2CH2)pR5.   General formula (II)in-line-formulae description="In-line Formulae" end="tail"?

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STN Registry File printout of the Structures of SURFYNOL 104PG50, SURFYNOL 82 and SURFYNOL 465, 3 pages, Nov. 1984.

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