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US 2006/0205839 A1Published application
Ink for ink-jet recording
AssigneeBrother Kogyo Kabushiki Kaisha
InventorsAkiko Noguchi, Takashi Kawaguchi
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Abstract
A pigment ink for ink-jet recording which is excellent in freezing resistance and fixability includes a pigment, an aqueous resin emulsion, polyethylene glycol and diethylene glycol. This ink satisfies the following formulae (1), (2) and (3): A<15 (1) A+B>10 (2) 30≦A×α+B≦64 (3) wherein: A is the content of polyethylene glycol (%); B is the content of diethylene glycol (%); and α is the molecular weight ratio of polyethylene glycol to diethylene glycol.
Claims8
An ink for ink-jet recording comprising a pigment, an aqueous resin emulsion, polyethylene glycol and diethylene glycol, wherein
- the following formulae (1), (2) and (3) are satisfied:
- A<15 (1)
- A+B>10 (2)
- 30≦A×α+B≦64 (3)
- wherein:
- A is a content of polyethylene glycol (mass %);
- B is a content of diethylene glycol (mass %);
- and a is a molecular weight ratio of polyethylene glycol to diethylene glycol.
5 more elements
Dependencies are inferred from the claim text.