ACTIVE ENERGY RAY-CURABLE INKJET PRINTING INK COMPOSITION
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United States of America Patent
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Issued Date -
Mar 21, 2024
app pub date -
Jul 8, 2021
filing date -
Jul 29, 2020
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Abstract
An object is to provide an active energy ray-curable inkjet printing ink composition characterized in that the ink composition has low viscosity and no odor, offers excellent storage stability, discharge stability, and curability, and generates no curing wrinkles when cured, while the cured coating film exhibits excellent bending tolerance property, rub resistance, and water resistance. A solution is an active energy ray-curable inkjet ink composition satisfying requirements A to D below:
- A: an amine-modified oligomer is contained by 1.0 to 20.0% by mass in all active energy ray-polymerizable components;B: alkoxy group-containing (meth)acrylates are contained by 2.0 to 20.0% by mass in all active energy ray-polymerizable components;C: a (meth)acrylate containing an alkyl group with 10 to 20 carbon atoms is contained by 2.0 to 25.0% by mass in all active energy ray-polymerizable components; andD: at least one type selected from the group that consists of 1,6-hexanediol diacrylate, 3-methyl-1,5-pentanediol diacrylate, dipropylene glycol diacrylate, propoxylated(2)neopentyl glycol diacrylate, 1,10-decanediol diacrylate, and hydroxypivalic acid neopentyl glycol diacrylate is contained by 30.0 to 60.0% by mass in all active energy ray-polymerizable components.
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