# US 8,771,824 B2 · Ultraviolet-curable composition for inkjet and recording material > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,771,824 B2 - Document ID: US8771824B2 - Status: Granted - Kind: B2 - Application number: 13/738,294 - Filed: 2013-01-10 - Published: 2013-08-01 - Granted: 2014-07-08 - Earliest claimed: 2012-02-01 - Assignees: Seiko Epson Corporation - Applicants: Seiko Epson Corporation - Inventors: Naoyuki Toyoda; Masaya Shibatani; Minoru Yamada; Tomohiro Ogawa; Hidekazu Moriyama - Web page: https://patentgrep.com/patent/US8771824B2 ## CPC - C09D 11/101: Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing - C09D 11/322: Pigment inks - C09D 11/38: characterised by non-macromolecular additives other than solvents, pigments or dyes - Y10T 428/24802: Discontinuous or differential coating, impregnation or bond [e.g., artwork, printing, retouched photograph, etc.] - Y10T 428/24909: Free metal or mineral containing - C09D: COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR (cosmetics A61K; processes for applying liquids or other fluent materials to surfaces, in general, B05D; staining wood B27K5/02; glazes or vitreous enamels C03C; natural resins, French polish, drying-oils, driers, turpentine, per se, C09F; polishing compositions other than French polish, ski waxes C09G; adhesives or use of materials as adhesives C09J; materials for sealing or packing joints or covers C09K3/10; materials for stopping leaks C09K3/12; processes for the electrolytic or electrophoretic production of coatings C25D) - Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION ## Abstract An ultraviolet-curable composition for inkjet, which is discharged by an inkjet method, includes a polymerized compound, a metal powder, and a dispersant. The metal powder is treated by a surface preparation with a fluorinated silane compound and/or a fluorinated phosphate ester as a surface preparation agent. The dispersant has a polymeric structure in a basic. ## Claims ### Claim 1 An ultraviolet-curable composition for inkjet adapted to be discharged by an inkjet method comprising: a polymerized compound; a metal powder; and a dispersant, wherein the metal powder is treated by a surface preparation with a fluorinated silane compound and/or a fluorinated phosphate ester as a surface preparation agent, and the dispersant has a polymeric structure in a basic. ### Claim 2 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein the metal powder mainly constituting A1 on at least a surface is treated by the surface preparation with the fluorinated silane compound and/or the fluorinated phosphate ester. ### Claim 3 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein the metal powder has a scale-like shape. ### Claim 4 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein the metal powder is treated by the surface preparation in the fluorinated silane compound having a chemical structure shown in formula (1) below R1SiX1aR2(3-a) (1) wherein, in formula (1), R1 represents a hydrocarbon group in which a part or all of hydrogen atoms are substituted by fluorine atoms, X1 represents hydrolysis group, ether group, chloro group or hydroxyl group, R2 represents alkyl group having a carbon number 1 to 4, and a represents an integer between 1 to 3. ### Claim 5 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein the metal powder is treated by the surface preparation in the fluorinated phosphate ester having a chemical structure shown in formula (2) below PORn(OH)3-n (2) wherein, in formula (2), R represents CF3(CF2)m—, CF3(CF2)m(CH2)l—, CF3(CF2)m(CH2O)l—, CF3(CF2)m(CH2CH2O)l—, CF3(CF2)mO—, or CF3(CF2)m(CH2)lO—, n represents an integer between 1 to 3, m represents an integer between 2 to 18, and 1 represents an integer between 1 to 18. ### Claim 6 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein the surface preparation agent has a perfluoroalkyl structure. ### Claim 7 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein an average grain diameter of the metal powder is more than 500 nm and less than 3.0 μm. ### Claim 8 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein the polymerized compound includes phenoxyethyl acrylate. ### Claim 9 (depends on 8) The ultraviolet-curable composition for inkjet according to claim 8, wherein in addition to phenoxyethyl acrylate, the polymerized compound includes at least one selected from a group comprising 2-(2-vinyloxyethoxy)ethyl acrylate, dipropylene glycol diacrylate, tripropylene glycol diacrylate, 2-hydroxy-3-phenoxypropyleacrylate, and 4-hydroxybutylacrylate. ### Claim 10 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein the polymerized compound includes at least one selected from a group comprising dimethylol tricyclodecane diacrylate, dimethylol dicyclopentane diacrylate, dicyclopentenyl acrylate, dicyclopentanyl acrylate, isobornyl acrylate, acryloylmorpholine, tetrahydrofurfuryl acrylate, cyclohexyl acrylate, isobutyl acrylate, t-butyl acrylate, benzyl acrylate, ethylcarbitol acrylate, and methoxy triethylene glycol acrylate. ### Claim 11 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, further comprising a composition A having a part structure shown in formula (5) below Wherein, in formula (5), R1 represents hydrogen atom, hydrocarbon group, alkoxy group, or oxygen radical, and R2, R3, R4, and R5 respectively and independently represent hydrogen atoms or hydrocarbon group. ### Claim 12 (depends on 1) The ultraviolet-curable composition for inkjet according to claim 1, wherein a relationship of 0.01≦XA/XM≦0.8 is satisfied when a content percentage of the composition A is XA (mass %) and a content percentage of the metal powder is XM (mass %). ### Claim 13 (depends on 1) A recording material produced by irradiating ultraviolet light onto a recording medium after the ultraviolet-curable inkjet composition according to claim 1 has been applied on the recording medium.