Provided is a lithographic ink having superior surface staining resistance and fluidity. Also provided is a method for manufacturing a printed material using the lithographic ink. The lithographic ink has all of a viscosity (A) at a rotational speed of 0.5 rpm, a viscosity (B) at a rotational speed of 20 rpm, and a viscosity (C) at a rotational speed of 50 rpm of 5 Pa.Math.s or more and 100 Pa.Math.s or less, the viscosities (A), (B), and (C) being measured by using a cone-plate rotating viscometer at 25° C., and has a viscosity ratio (C)/(B) of 0.8 or more and 1.0 or less.

Described herein are polymeric aminoacrylates formed by the reaction of polyalkylene glycol diacrylates with bireactive amines. The polymeric aminoacrylate are comprised of moieties of poly(alkylene glycol) diacrylate and moieties of bireactive amines. Also described herein are energy curable ink and coating compositions that include the described polymeric aminoacrylates. The energy curable ink and coating compositions that include the described polymeric aminoacrylates are well-suited for use in packaging applications where low migration of uncured monomer material after cure is desired, such as in the packaging of foodstuffs, pharmaceuticals, etc.

Described herein are polymeric aminoacrylates formed by the reaction of polyalkylene glycol diacrylates with bireactive amines. The polymeric aminoacrylate are comprised of moieties of poly(alkylene glycol) diacrylate and moieties of bireactive amines. Also described herein are energy curable ink and coating compositions that include the described polymeric aminoacrylates. The energy curable ink and coating compositions that include the described polymeric aminoacrylates are well-suited for use in packaging applications where low migration of uncured monomer material after cure is desired, such as in the packaging of foodstuffs, pharmaceuticals, etc.

A polyimidc-based solution for inkjet printing includes an α,ω-Bismaleimide(BMI) terminated oligomer, wherein said α,ω-Bismaleimide terminated oligomer is delined by formula (I), wherein R represents an aliphatic, an aromatic or mixed aliphatic and aromatic groups. ##STR00001##

A polyimidc-based solution for inkjet printing includes an α,ω-Bismaleimide(BMI) terminated oligomer, wherein said α,ω-Bismaleimide terminated oligomer is delined by formula (I), wherein R represents an aliphatic, an aromatic or mixed aliphatic and aromatic groups. ##STR00001##

Methods and devices for producing artificial nails are disclosed, comprising: automatically recognizing user nail information by means of a 3D scanner (S100); recognizing a selected nail decoration design of a 2D or 3D form by means of a UV 3D printer (S200); a step in which the UV 3D printer, equipped with a device capable of adjusting a Z axis, forms a decoration layer corresponding to a curved surface of a user's nail shape with the nail decoration design recognized in step S200, on the basis of the user nail information recognized in step S100 (S300); a step in which the UV 3D printer forms an adhesive layer to be attached with the decoration layer produced in step S300; and a step of completely curing the decoration layer and the adhesive layer in a short time by subjecting same to heat treatment by using a UV lamp of the UV 3D printer, thereby printing an artificial nail in which the adhesive layer is coupled to the bottom of the decoration layer.

Methods and devices for producing artificial nails are disclosed, comprising: automatically recognizing user nail information by means of a 3D scanner (S100); recognizing a selected nail decoration design of a 2D or 3D form by means of a UV 3D printer (S200); a step in which the UV 3D printer, equipped with a device capable of adjusting a Z axis, forms a decoration layer corresponding to a curved surface of a user's nail shape with the nail decoration design recognized in step S200, on the basis of the user nail information recognized in step S100 (S300); a step in which the UV 3D printer forms an adhesive layer to be attached with the decoration layer produced in step S300; and a step of completely curing the decoration layer and the adhesive layer in a short time by subjecting same to heat treatment by using a UV lamp of the UV 3D printer, thereby printing an artificial nail in which the adhesive layer is coupled to the bottom of the decoration layer.

A decorative material with improved release properties and scratch resistance. A decorative material according to a mode of the present invention includes a first gloss control layer provided to a front surface and a second gloss control layer provided on part of the first gloss control layer. The first gloss control layer contains a gloss control agent comprised of a hydrophilic inorganic material and a silicone-based release agent having a reactive terminal group. The reactive terminal group of the silicone-based release agent preferably has at least one of a hydroxyl group and an amino group. The second gloss control layer contains a silicone-based release agent having a reactive terminal group, and the reactive terminal group of the silicone-based release agent has at least one of an acryloyl group and a methacryloyl group.

A decorative material with improved release properties and scratch resistance. A decorative material according to a mode of the present invention includes a first gloss control layer provided to a front surface and a second gloss control layer provided on part of the first gloss control layer. The first gloss control layer contains a gloss control agent comprised of a hydrophilic inorganic material and a silicone-based release agent having a reactive terminal group. The reactive terminal group of the silicone-based release agent preferably has at least one of a hydroxyl group and an amino group. The second gloss control layer contains a silicone-based release agent having a reactive terminal group, and the reactive terminal group of the silicone-based release agent has at least one of an acryloyl group and a methacryloyl group.

Energy curable compositions including polyols, and any blend of ethylenically unsaturated monomers and oligomers. The polyols of the invention are essentially free of any ethylenically unsaturated groups. It is preferred that the polyol substances according to the invention have greater than one hydroxy group and preferably have boiling points in excess of 170° C. The compositions of the invention are particularly useful for the printing or coating of food packaging and may be applied via any printing or coating method, although inkjet printing is a preferred method.