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,...

2009-02-18

2011-12-06

Klemanski, Helene (Department: 1734)

Compositions: coating or plastic

Coating or plastic compositions

Marking

C106S031860, C347S100000

Reexamination Certificate

active

08070871

ABSTRACT:
An ink jet ink is provided which can retain good stability and shows superior intermittent ejection stability not only under a low-temperature, low-humidity environment but also a high-temperature, low-humidity environment even when the evaporation of water in the ink progresses. The ink jet ink includes a coloring material and water-soluble organic solvents, wherein the content of the coloring material is less than 7.0 mass %, the water-soluble organic solvents include glycerin and a branched alkanediol having hydroxyl groups at both terminals of its main chain, the content C of glycerin is 6.0 to 12.0 mass %, the content A of the branched alkanediol is 4.0 to 11.0 mass %, and the content A of the branched alkanediol and the total content B of the water-soluble organic solvents satisfy the relationship of 0.30≦A/B≦0.50.

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