Patent ID: 11952501
Assignee: SEIKO EPSON CORPORATION
Field: Basic materials chemistry (Chemistry)
Classification: CPC C  B | IPC B  C

Claim 0:
1. An ink set of radiation curable ink jet compositions, comprising:
an under layer ink; and
an over layer ink,
wherein the under layer ink contains, as a polymerizable compound, 80.0 percent by mass or more of a monofunctional polymerizable compound with respect to a total mass of polymerizable compounds and contains 55.0 percent by mass or more of a polymerizable compound having a nitrogen heterocyclic structure and/or a polymerizable compound having a hydroxy group in total with respect to the total mass of the polymerizable compounds, and
wherein the polymerizable compound having the nitrogen heterocyclic structure and/or the polymerizable compound having the hydroxy group is contained in the underlayer ink in an amount of at least 20 percent by mass relative to a total mass of the underlayer ink.