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US 8,137,793 B2Granted
Ink composition and hardened material using thereof
AssigneeToyo Ink Mfg. Co., Ltd.
InventorsYuji Kameyama, Kazuhiro Jonai, Norio Suzuki
Life of this patent
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Abstract
An active energy ray-curable ink composition having excellent adhesiveness to various base materials and satisfactory ejection stability is provided. An active energy ray-curable inkjet ink composition comprising polymerizable monomers, the polymerizable monomers comprising 60 to 98% by weight of monofunctional monomers, the monofunctional monomers comprising 25 to 65% by weight of isobornyl acrylate and 12.5 to 69% by weight of N-vinyl caprolactam based on the total amount of the polymerizable monomers.
Claims9
An active energy ray-curable inkjet ink composition comprising:
- polymerizable monomers, the polymerizable monomers comprising 60 to 98% by weight of monoethylenically unsaturated monomers, the monoethylenically unsaturated monomers comprising 25 to 65% by weight of isobornyl acrylate and 12.5 to 60% by weight of N-vinyl caprolactam based on the total amount of the polymerizable monomers, and
- a resin having an acid value of 50 mg KOH/g or higher and a weight average molecular weight of 1000 to 20000.
Dependencies are inferred from the claim text.