Patent ID: 11945152
Assignee: MIMAKI ENGINEERING CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  C | IPC B  C

Claim 0:
1. A model material ink set for use in an optical molding method by an inkjet system, the ink set comprising a color ink and a clear ink as a model material ink,
wherein:
the color ink and the clear ink each contain one or more ethylenically unsaturated monomers,
the color ink contains, as the one or more ethylenically unsaturated monomers, 30 to 75% by mass of a (meth)acrylate and 20 to 50% by mass of an ethylenically unsaturated monomer that is not a (meth)acrylate and that contains a nitrogen atom, based on a total amount of the color ink,
the clear ink contains, as one or more ethylenically unsaturated monomers, 30 to 80% by mass of a (meth)acrylate based on a total amount of the clear ink, provided that a content of the ethylenically unsaturated monomer that is not a (meth)acrylate and that contains a nitrogen atom in the clear ink is less than 10% by mass based on the total amount of the clear ink, and
the (meth)acrylate contained in the clear ink comprises a (meth) acrylate having an aromatic hydrocarbon group, and the(meth) acrylate having an aromatic hydrocarbon group is phenoxyethyl (meth)acrylate and/or ethoxylated phenyl (meth)acrylate.