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US 10,077,369 B2Granted
Inkjet printing ink
AssigneePanasonic Intellectual Property Management Co., Ltd.
InventorsHaruka Kusukame, Masayo Shinoda, Tomoki Masuda
Life of this patent
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Abstract
An inkjet printing ink according to the present disclosure contains a pigment, acrylic particles, an alcohol, and water. The alcohol contains at least a trihydric alcohol. A ratio of an amount of the alcohol to a whole mass of the inkjet printing ink is 30% by mass or less. A ratio of an amount of the acrylic particles to a mass of the pigment is 5% by mass to 100% by mass. Further, the inkjet printing ink has negative skin irritation.
Claims10
An inkjet printing ink, comprising:
- a pigment in an amount of 3 to 10% by mass, relative to the whole mass of the inkjet printing ink,
- acrylic particles comprising
- homopolymer of an acrylic monomer or
- copolymer consisting of at least two types of acrylic monomers,
- an alcohol, and
- water,
- wherein the alcohol contains a trihydric alcohol in an amount of 10 to 20% by mass relative to the whole amount of the inkjet printing ink, and wherein the alcohol additionally contains a dihydric alcohol selected from the group consisting of
- diethylene glycol,
- propylene glycol,
- 1,3-propanediol,
- butylene glycol and
- hexanediol
- in an amount of 10 to 20% by mass relative to the whole amount of the inkjet printing ink,
- a ratio of an amount of the alcohol to a whole mass of the inkjet printing ink is 30% by mass or less, and
- a ratio of an amount of the acrylic particles to a mass of the pigment is 5% by mass to 100% by mass.
12 more elements
Dependencies are inferred from the claim text.