Radiation-curable ink jet composition and ink jet recording method
AssigneeSeiko Epson Corporation
InventorsHiroki Nakane, Jun Ito
Life of this patent
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Abstract
A radiation-curable ink jet ink composition contains a polymerizable compound, an photopolymerization initiator and polysiloxane, in which the ink composition is used for recording on a package substrate as a recording medium; the polymerizable compound contains one or more kinds of compound having a pentaerythritol skeleton; an HLB value of the polysiloxane is 5 to 12; and the polysiloxane content is 0.1 to 2% by mass with respect to the total amount of the ink composition.
Claims6
A radiation-curable ink jet ink composition containing a polymerizable compound, a photopolymerization initiator and polysiloxane, in which the ink composition is used for recording on a package substrate or a semiconductor substrate as a recording medium,
- wherein the polymerizable compound contains one or more kinds of compound having a pentaerythritol skeleton, an HLB value of the polysiloxane is 5 to 12;
- and the polysiloxane content is 0.1 to 2% by mass with respect to a total amount of the ink composition.
Dependencies are inferred from the claim text.