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US 2013/0155160 A1Published application
White ink for ink jet recording and recording apparatus
AssigneeSeiko Epson Corporation
InventorShohei SHIONO
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Abstract
White ink of the present invention for ink jet recording contains a white pigment having an average particle size of 200 nm to 400 nm and composed of metallic oxide, and the white ink satisfies Formula (1): 0.5×A≦V≦1.3×A (1) where A represents the white pigment content (mass %) in the white ink, and V represents the proportion (%) of the volume of the white pigment which has completely settled in the white ink to the total volume of the white ink.
Claims16
White ink for ink jet recording, the white ink comprising:
- a white pigment having an average particle size of 200 nm to 400 nm and composed of metallic oxide, wherein the white ink satisfies Formula (1):
- 0.5×A≦V≦1.3×A (1)
- where A represents the white pigment content (mass %) in the white ink, and V represents the proportion (%) of the volume of the white pigment which has completely settled in the white ink to the total volume of the white ink.
Dependencies are inferred from the claim text.