WO2017030334A1 - 잉크젯 프린트 강판용 잉크 조성물, 이를 이용한 잉크젯 프린트 강판 및 잉크젯 프린트 강판의 제조 방법 - Google Patents
잉크젯 프린트 강판용 잉크 조성물, 이를 이용한 잉크젯 프린트 강판 및 잉크젯 프린트 강판의 제조 방법 Download PDFInfo
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- WO2017030334A1 WO2017030334A1 PCT/KR2016/008944 KR2016008944W WO2017030334A1 WO 2017030334 A1 WO2017030334 A1 WO 2017030334A1 KR 2016008944 W KR2016008944 W KR 2016008944W WO 2017030334 A1 WO2017030334 A1 WO 2017030334A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/38—Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M1/00—Inking and printing with a printer's forme
- B41M1/26—Printing on other surfaces than ordinary paper
- B41M1/28—Printing on other surfaces than ordinary paper on metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0011—Pre-treatment or treatment during printing of the recording material, e.g. heating, irradiating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0023—Digital printing methods characterised by the inks used
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0058—Digital printing on surfaces other than ordinary paper on metals and oxidised metal surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
- B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0036—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using protective coatings or layers dried without curing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M7/00—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock
- B41M7/0081—After-treatment of prints, e.g. heating, irradiating, setting of the ink, protection of the printed stock using electromagnetic radiation or waves, e.g. ultraviolet radiation, electron beams
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/101—Inks specially adapted for printing processes involving curing by wave energy or particle radiation, e.g. with UV-curing following the printing
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/106—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C09D11/107—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds from unsaturated acids or derivatives thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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
- C09D11/00—Inks
- C09D11/30—Inkjet printing inks
- C09D11/32—Inkjet printing inks characterised by colouring agents
- C09D11/322—Pigment inks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M2205/00—Printing methods or features related to printing methods; Location or type of the layers
- B41M2205/40—Cover layers; Layers separated from substrate by imaging layer; Protective layers; Layers applied before imaging
Definitions
- the present invention relates to an ink composition for an inkjet printed steel sheet, a method for producing an inkjet printed steel sheet and an inkjet printed steel sheet printed using the same.
- Conventional patterned printed steel sheet can be divided into silk screen printed steel sheet and roll printed steel sheet.
- the printed steel sheets are difficult to produce products of high resolution, and with the disadvantage of producing only repeating patterns, there is a problem that it is difficult to produce products of various colors.
- each silk screen frame or each etched roll is required for each color. And it is difficult to print each color in the correct position, so it has to accept high defect rate.
- UV-curable inks are used to obtain high production speeds and high-resolution patterns on steel sheets.
- inkjet injection is difficult due to high viscosity. There is a problem of poor applicability.
- One aspect of the present invention is an ink jet printed steel sheet which is excellent in ink jetting property and printability, can manufacture an ink jet printed steel sheet having high resolution, high hardness and coating film adhesion, and maintains low viscosity without adding an organic solvent.
- An object of the present invention is to provide an ink composition, a printed steel sheet and an inkjet printed steel sheet using the same.
- coating film adhesion and high hardness UV curable resin composition for forming a film to minimize the ink, excellent ink jetting and printing workability, high hardness, adhesiveness with a metal material and providing an ink composition for inkjet print steel sheet providing printability without using a solvent
- One embodiment of the present invention 11 to 50% by weight of the linear (acrylate) type oligomer based on the total weight of the composition; 19 to 75% by weight of a reactive acrylate monomer; 0.1 to 15% by weight of an ultraviolet curable initiator; 0.5-10% by weight of one or more selected from the group consisting of dyes and pigments; And 0.1 to 10% by weight of at least one selected from the group consisting of an antioxidant, an antifoaming agent, and a dispersing agent.
- the ink composition for an inkjet printed steel sheet may further include 0.1 to 15% by weight of a linear acrylate monomer having inorganic particles attached to the total weight of the composition.
- the said linear acrylate oligomer is any one or more of a linear epoxy acrylate oligomer and a linear urethane acrylate oligomer.
- the linear epoxy acrylate oligomer is preferably at least one selected from the group consisting of cyclic aliphatic epoxy acrylate oligomers, aliphatic polyglycidyl epoxy acrylate oligomers and glycidyl amine type epoxy acrylate oligomers.
- the said linear urethane acrylate oligomer is aliphatic urethane acrylate.
- the reactive acrylate monomer is preferably a branch type monomer including a benzene ring or a hyperbranch type monomer including no benzene ring.
- the reactive acrylate monomer is selected from the group consisting of phenoxyethyl (meth) acrylate (phenoxyethyl methacrylate), bisphenol A diglycidyl ether di (meth) acrylate and trimethylolpropane triacrylate. It is preferred that there is at least one.
- the inorganic particles are preferably at least one selected from the group consisting of silica, titanium dioxide and aluminum oxide.
- the inorganic particles are preferably spherical inorganic particles having a diameter of 2 to 500nm.
- the linear acrylate monomer is isobonyl acrylate (isobonyl acrylate), isobonyl methacrylate (isobonyl methacrylate), tetrahydrofuryl acrylate (tetrahydrofuryl acrylate), tripropylene glycol diacrylate (tripropyleneglycol diacrylate), 1, 6 It is preferably at least one selected from the group consisting of -hexanediol diacrylate (1, 6-hexane diol diacrylate) and pentaerythritol triacrylate.
- the UV-curable initiator is 2,2-dimethoxy-2-phenylacetonephenone, 1-hydroxycyclohexyl phenyl ketone, 1- (4- Isopropylphenyl) -2-hydroxy-2-methylpropane-1-one (1- (4-Isopropylphenyl) -2-hydroxy-2-methylpropane-1-one), 1,1-dimethoxy deoxybenzoin (1,1-dimethoxy deoxybenzoin), 3,3'-dimethyl-4-methoxybenzophenone (3,3'-dimethyl-4-methoxybenzophenone), 1- (4-dodecyl phenyl) -2-hydroxy- 2-methylpropan-1-one (1- (4-dodecyl phenyl) -2-hydroxy-2-methyl propan-1-one), 2-methyl-1- [4- (methylthio) phenyl] -2- Morpholinopropan-1-one (2-methyl-1- [4- (methylthio) phenyl
- the viscosity of the ink composition for an inkjet printed steel sheet is preferably 25 to 1 to 50 cps.
- Another embodiment of the present invention provides an inkjet printed steel sheet, including an inkjet printed layer on which one or both surfaces of the steel sheet are printed, the ink composition for inkjet printed steel sheet.
- the steel sheet is preferably at least one selected from the group consisting of cold rolled steel sheet, hot rolled steel sheet, galvanized steel sheet, aluminum plated steel sheet, color coated steel sheet, stainless steel sheet, magnesium steel sheet, aluminum steel sheet, zinc steel sheet and titanium steel sheet.
- the transparent coating layer is selected from the group consisting of an ultraviolet curing clear coating layer, a polyester resin layer having a molecular weight of 3,000 to 25,000, a resin coating layer containing fluorine, and an unsaturated polyester resin layer having self-cleaning properties. It is preferable that it is any one or more.
- the transparent film layer is preferably any one or more selected from the group consisting of polyester phthalate, polypropylene, polyethylene and ethyl vinyl acetate.
- the thickness of the said transparent film layer is 10-150 micrometers.
- the inkjet printed steel sheet further includes one or more layers selected from the group consisting of a plating layer, a pretreatment layer, a primer layer, and a color coating layer between the steel sheet and the inkjet printing layer.
- Another embodiment of the invention the step of supplying the ink composition for the inkjet printed steel sheet to the inkjet head; And spraying the ink composition for an inkjet printed steel sheet on one or both sides of the steel sheet by using inkjet printing, thereby providing a method of manufacturing an inkjet printed steel sheet.
- the steel sheet is preferably at least one selected from the group consisting of cold rolled steel sheet, hot rolled steel sheet, galvanized steel sheet, aluminum plated steel sheet, color coated steel sheet, stainless steel sheet, magnesium steel sheet, aluminum steel sheet, zinc steel sheet and titanium steel sheet.
- the ink composition for an inkjet printed steel sheet of the present invention may be applied to various kinds of metal materials such as steel sheets by improving adhesiveness, high hardness, and the like, and by using the ink resin composition for inkjet printed steel sheets, a conventional silk screen printed steel sheet or roll print It is possible to shorten the process compared to the steel sheet, to implement a high-resolution product, and to be applied to a steel surface that is difficult to apply with a conventional inkjet ink composition.
- composition cured by ultraviolet rays instead of the aqueous / oil type resin composition to be dried by heat, productivity can be improved eco-friendly without using a solvent.
- FIG. 1 is a schematic diagram showing an embodiment of an inkjet printed steel sheet of the present invention.
- FIG. 2 is a schematic view showing another embodiment of the inkjet printed steel sheet of the present invention.
- FIG. 3 is a schematic view showing another embodiment of the inkjet printed steel sheet of the present invention.
- FIG. 4 is a schematic view showing another embodiment of the inkjet printed steel sheet of the present invention.
- FIG. 5 is a schematic view showing another embodiment of the inkjet printed steel sheet of the present invention.
- FIG. 6 is a schematic diagram showing an embodiment (right) of the present invention including a prior art (left) and a hyperbranch type monomer including a linear monomer.
- FIG. 7 is a schematic diagram (left) showing the dispersion form of the general inorganic particles and a schematic diagram (right) showing the dispersion form of the monomer to which the inorganic particles are attached.
- FIG. 8 is a schematic diagram (left) showing the configuration of the oligomer, monomer and inorganic particles of the prior art and the schematic diagram (right) showing the configuration of the monomer to which the oligomer, monomer and inorganic particles of the present invention are attached.
- One embodiment of the present invention 11 to 50% by weight of the linear (acrylate) type oligomer based on the total weight of the composition; 19 to 75% by weight of a reactive acrylate monomer; 0.1 to 15% by weight of an ultraviolet curable initiator; 0.5-10% by weight of one or more selected from the group consisting of dyes and pigments; And 0.1 to 10% by weight of at least one selected from the group consisting of an antioxidant, an antifoaming agent, and a dispersing agent.
- the linear acrylate oligomer is at least one of a linear epoxy acrylate oligomer and a linear urethane acrylate oligomer, and in this case, the linear acrylate oligomer preferably has a bifunctional or higher functional group.
- Epoxy acrylate-based oligomers are commonly used compounds having a benzene ring in the resin structure, such as bisphenol A and bisphenol F-based, but the linear acrylate oligomer is a cyclic aliphatic epoxy that does not contain a benzene ring in the main chain.
- the urethane acrylate oligomer is an aliphatic urethane acrylate oligomer, and it is preferable to secure weather resistance and flexibility of the coating film by including an isocyanate-based urethane bond in a structure.
- the linear acrylate-based oligomer may include 11 to 50% by weight, and more preferably 20 to 50% by weight, based on the total weight of the ink composition for an inkjet printed steel sheet.
- the content when the content is less than 11% by weight, the flexibility of the coating film is lowered, brittle is generated, and it is difficult to use as a coating film, and when the content is more than 50% by weight, the viscosity is too high, which makes it difficult to spray the ink. It is difficult to use it as ink for inkjet printed steel sheets.
- the reactive acrylate monomer is preferably a branch type monomer containing a benzene ring in the main chain or a star shape, that is, a hyperbranch type monomer containing no benzene ring.
- Conventional linear monomers are difficult to control the viscosity and difficult to secure stable properties of low viscosity, whereas in the case of the branched monomer or hyperbranch type monomer of the present invention, it is possible to improve the flow of the ink solution and control the viscosity It is easy to enable stable ink ejection without using a solvent.
- the benzene ring is included in the main chain to be thermally stable compared to linear monomers having the same molecular weight, and to help chemical resistance and adhesive strength well.
- the reactive acrylate monomer is preferably at least one selected from the group consisting of phenoxyethyl (meth) acrylate, bisphenol A diglycidyl ether di (meth) acrylate and trimethylolpropane triacrylate.
- the reactive acrylate-based monomer is preferably contained in 19 to 75% by weight, more preferably 19 to 71% by weight, most preferably 19 to 66% by weight relative to the total weight of the ink composition for an inkjet print steel sheet. have.
- the content is less than 19% by weight, the viscosity of the entire composition is high, so that sprayability of the ink is difficult, and when the content is more than 75% by weight, the coating film bendability may be weak.
- the ink composition for inkjet printed steel sheets further includes a linear acrylate monomer to which inorganic particles are attached.
- the inorganic particles are preferably at least one selected from the group consisting of silica, titanium dioxide and aluminum oxide, and are preferably chemically attached to a monomer including a carboxyl group and a hydroxyl group.
- the linear acrylate monomer is, for example, isobonyl acrylate (isobonyl acrylate, IBOA), isobonyl methacrylate (isobonyl methacrylate), tetrahydrofuryl acrylate (tetrahydrofuryl acrylate, THFA) tripropylene glycol diacrylate ( tripropyleneglycol diacrylate (TPGDA), 1,6-hexanediol diacrylate (1,6-hexane diol diacrylate (HDDA)) and pentaerythritol triacrylate (pentaerythritol triacrylate) is preferably at least one selected from the group consisting of.
- a method of attaching an inorganic particle to a monomer by reacting it is known a method of attaching silica powder to a polymer resin described in Korean Patent Application Publication No. 2015-0006714, for example, with respect to 100 parts by weight of an inorganic particle, a carboxyl group And 100 parts by weight of a monomer containing a hydroxyl group and 500 parts by weight of a solvent may be used through an organic reaction for 6 hours or more in a nitrogen atmosphere of 50 or by using a commercially available UV-reactive acrylate monomer with silica, but is not limited thereto. no.
- the form of the inorganic particles attached to the linear acrylate crab monomer is not particularly limited in the form of spherical or flaky, and is preferably spherical inorganic particles in order to be injected into the inkjet solution.
- the spherical inorganic particles may damage the head nozzles or become clogged while being jetted from the inkjet head. Therefore, it is more preferable to use spherical inorganic particles.
- the diameter of the inorganic particles is preferably 2 to 500nm, more preferably 50 to 300nm.
- the diameter of the inorganic particles is less than 2nm, the size of the particles is small, the effect of the inorganic location is reduced, and when the diameter of the inorganic particles exceeds 500nm, clogging of the nozzle may occur during ink injection.
- the linear acrylate monomer with the inorganic particles is preferably included, 0.1 to 15% by weight, more preferably 3 to 10% by weight relative to the total weight of the ink composition for an inkjet print steel sheet.
- the content is less than 0.1% by weight, there is a problem in that the hardness and corrosion resistance of the coating is improved, and when the content is more than 15% by weight, the viscosity of the solution may be increased, and brittle is in the coating. Can be generated.
- the ultraviolet curing initiator 2,2-dimethoxy-2-phenylacetonephenone (2,2-dimethoxy-2-phenylacetophenone), 1-hydroxycyclohexyl Phenyl Ketone, 1- (4 Isopropylphenyl) -2-hydroxy-2-methylpropane-1-one (1- (4-Isopropylphenyl) -2-hydroxy-2-methylpropane-1-one), 1,1-dimethoxy deoxybenzo Phosphorous (1,1-dimethoxy deoxybenzoin), 3,3'-dimethyl-4-methoxybenzophenone (3,3'-dimethyl-4-methoxybenzophenone), 1- (4-dodecyl phenyl) -2-hydroxy 2-methylpropan-1-one (1- (4-dodecyl phenyl) -2-hydroxy-2-methyl propan-1-one), 2-methyl-1- [4- (methylthio) phenyl] -2 Morpholinopropan-1-one (2-methyl-1-
- the UV-curable initiator is, for example, Irgacure184, Irgacure500, Irgacure651, Irgacure907, Irgacure369, Irgacure784, Darocure1173, Darocure1116, Darocure2959, Lucirin TPO, Escacure KIP150, Escacure KDB, Escacure EDB37, etc. Can be used.
- the UV-curable initiator may include 0.1 to 15% by weight, more preferably 5 to 10% by weight based on the total weight of the ink composition for an inkjet printed steel sheet.
- photocuring may proceed insignificantly, and when the content exceeds 15% by weight, it may cause a decrease in adhesion of the coating film due to photocuring or may cause inhibition of the coating film properties by the uncured residue. There is concern.
- the ink composition for an inkjet printed steel sheet it is preferable to include at least one selected from the group consisting of dyes and pigments for coloring of various colors, more preferably comprises an inorganic type pigment.
- a dye or pigment of various colors such as black, white, red, blue, and yellow may be used according to a user's selection.
- the at least one content selected from the group consisting of the dye and the pigment is preferably contained in an amount of 0.5 to 10% by weight, more preferably 3 to 5% by weight based on the total weight of the ink composition for an inkjet print steel sheet.
- the content is less than 0.5% by weight, the effect of color concealment may be lowered and the quality of the product may be degraded.
- the content is more than 10% by weight, the excessively added dye or pigment may cause agglomeration of the ink solution. have.
- the ink composition for inkjet printed steel sheet may include one or more selected from the group consisting of an antioxidant, an antifoaming agent and a dispersant as other additives
- the content of the other additives is required for the physical properties of the ink composition for inkjet printed steel sheet It can be used in an unchanged range.
- the content of the other additives is preferably included in an amount of 0.1 to 10% by weight, and more preferably 3 to 6% by weight, based on the total weight of the ink composition for inkjet print steel sheet, but is not limited thereto.
- the antioxidant may be used, for example, Irganox 1010, Irganox 1035, Irganox 1076, Irganox 1222 (CIBA SPECIALTY CHEMICALS INC, Japan) and the like, but is not limited thereto.
- the defoamer may be used, for example, TEGO Airex 920, TEGO Airex 932, BYK 088, BYK 1790, but is not limited thereto.
- dispersant BYK CHEMIE GMBH Company DISPERBYK TM products, EVNIK Inc. TEGO TM and DISPERS TM products, CIBA SPECIALTY CHEMICALS INC Inc. DISPEX TM and EFKE TM may be selected from conventional additives company products, such as product, limited to It is not.
- the viscosity of the ink composition for an inkjet printed steel sheet is preferably 1 to 50 cps (centi-poises) at 25 conditions, and more preferably 3 to 30 cps.
- the viscosity is less than 1 cps, the viscosity may be reduced, so that the printing jetability may be improved.
- the spraying may not be performed well when sprayed from the inkjet head. It is necessary to secure the viscosity.
- another embodiment of the present invention provides an inkjet printed steel sheet, which includes an inkjet printed layer on which one or both surfaces of the steel sheet are printed, the ink composition for the inkjet printed steel sheet.
- the steel sheet is preferably at least one selected from the group consisting of cold rolled steel sheet, hot rolled steel sheet, galvanized steel sheet, aluminum plated steel sheet, color coated steel sheet, stainless steel sheet, magnesium steel sheet, aluminum steel sheet, zinc steel sheet and titanium steel sheet.
- the inkjet printed steel sheet may be finished only with an inkjet printing layer, or may further include a transparent paint layer or a transparent film layer on the inkjet printing layer.
- the transparent coating layer is a clear coating layer of the ultraviolet curing method, a polyester resin layer having a molecular weight of 3,000 to 25,000, a resin coating layer containing a fluorine-based and an unsaturated polyester resin layer having self-cleaning properties It is preferably at least one selected from the group consisting of, but is not limited thereto.
- the transparent film layer is preferably any one or more selected from the group consisting of polyester phthalate, polypropylene, polyethylene and ethyl vinyl acetate, wherein the thickness is preferably 10 to 150 ⁇ m, but is not limited thereto. .
- the inkjet printed steel sheet further includes one or more layers selected from the group consisting of a plating layer, a pretreatment layer, a primer layer, and a color coating layer between the steel sheet and the inkjet printing layer.
- FIGS. 1 to 5 show examples of inkjet printed steel sheets manufactured using the ink composition for inkjet printed steel sheets of the present invention.
- Figure 1 is a color-coated steel sheet is introduced into the printing layer, an inkjet printed steel sheet using conventional process conditions, a metal material; Plating layer; Pretreatment; Primer layer;
- the structure containing the inkjet color printing layer containing a color coating layer and the ink composition for inkjet printing steel sheets of this invention, and the structure which further includes a transparent coating layer or a transparent film layer are shown.
- 2 and 3 omit the primer layer and the color coating layer from the inkjet printed steel sheet shown in FIG. 1, which is advantageous in terms of economy.
- 2 is a metal material; Plating layer; It comprises a pretreatment and inkjet color printing layer and additionally a transparent paint layer or transparent film layer.
- 3 is a metal material; Plating layer; And inkjet color printing layers and additionally transparent paint layers or transparent film layers.
- 4 and 5 are shapes suitable for a product that needs to express the texture of a material, such as a stainless steel material or a magnesium material, with an inkjet printed steel sheet omitting a plating layer.
- 4 is a metal material; Pretreatment; And an inkjet color printing layer and additionally a transparent paint layer or a transparent film layer, wherein FIG. 5 is a metal material; And an inkjet color printing layer and additionally a transparent paint layer or a transparent film layer.
- the inkjet printed steel sheet of the present invention may be provided in various forms as shown in FIGS. 1 to 5, but is not limited thereto.
- UV curing conditions if there is no metal halide bulb, mercury bulb, electrode as a light source can be used H bulb (H bulb), D bulb (D bulb), V bulb (V bulb) and the like, but is not limited thereto. no.
- the amount of ultraviolet light is preferably controlled in a range of 100 to 3000mJ / cm 2 depending on the composition of the composition and the like.
- the steel sheet is preferably at least one selected from the group consisting of cold rolled steel sheet, hot rolled steel sheet, galvanized steel sheet, aluminum plated steel sheet, color coated steel sheet, stainless steel sheet, magnesium steel sheet, aluminum steel sheet, zinc steel sheet and titanium steel sheet, It is not limited.
- Comparative Example 1 is a linear oligomer, bifunctional epoxy acrylate (Saltomer, South Korea) 76% by weight, hyperbranch type (hyperbranch type) trimethylolpropane triacrylate monomer (SK-CYTEC, South Korea ) 10% by weight, pigment 3% by weight, photoinitiator IRGACURE 184 (CIBA, Switzerland) 7% by weight, antioxidant (Irganox 1035, CIBA, Switzerland) 3% by weight, other additives defoamer TEGO Airex 920, dispersant BYKJET 9150 0.5 wt% of each was mixed to prepare an ink composition for an inkjet printed steel sheet.
- the linear oligomer may be replaced with a urethane acrylate compound.
- the ink composition for an inkjet printed steel sheet was applied to a cold rolled steel sheet having a width of 20 cm and a length of 20 cm with a print thickness of 0.5 to 20 ⁇ m using ink jet printing.
- the ultraviolet ray irradiator was irradiated with a light amount of 100-3000 mJ / cm 2 to the metal plate coated with the ink composition for an inkjet printed steel sheet to dry the printed layer.
- a bifunctional epoxy acrylate (Saltomer, South Korea) is a linear oligomer, 10% by weight of a linear monomer that does not contain a benzene ring, wherein the linear monomer is isofunctional acrylic acid monomer 5% by weight of carbonyl acrylate (SK-CYTEC, South Korea) and 5% by weight of tripropylene glycol diacrylate (Miwon Corporation, Korea), a polyfunctional acrylic acid ester monomer, 3% by weight of a pigment as a colorant, a photoinitiator IRGACURE 184 ( CIBA, Switzerland) 7% by weight, antioxidant (Irganox 1035, CIBA, Switzerland) 3% by weight, 0.5% by weight of other additives defoamer TEGO Airex 920, dispersant BYKJET 9150, respectively, to prepare an ink composition for an ink-jet printed steel sheet.
- SK-CYTEC carbonyl acrylate
- tripropylene glycol diacrylate Miwon
- the printed coating film test piece was manufactured by the same method and conditions as the said comparative example 1.
- Comparative Examples 5 to 7 are carried out in the same manner as in Comparative Example 4, the components and contents of the ink composition for each inkjet printed steel sheet are shown in Table 2.
- the linear monomer content includes the ratio of monofunctional monomers to polyfunctional monomers in a ratio of 50 to 50.
- Comparative Example 8 is a linear oligomer of epoxy acrylate (Saltomer, South Korea) 35% by weight, hyperbranch (hyperbranch type) trimethylolpropane triacrylate monomer (SK-CYTEC, South Korea) 31 Wt%, 20 wt% silica attached linear monomer, 3 wt% pigment as colorant, 7 wt% IRGACURE 184 (CIBA, Switzerland) photoinitiator, 3 wt% antioxidant Irganox 1035 (CIBA, Switzerland), defoamer TEGO as other additives 0.5 wt% of Airex 920 and the dispersant BYKJET 9150 were mixed to prepare an ink composition for an inkjet printed steel sheet.
- the ink composition for an inkjet printed steel sheet was applied to a cold rolled steel sheet having a width of 20 cm and a length of 20 cm with a print thickness of 0.5 to 20 ⁇ m using ink jet printing.
- the printed coating film test piece was manufactured by the same method and conditions as the said comparative example 1.
- Comparative Example 11 is a 35% by weight bifunctional epoxy acrylate (Saltomer, South Korea) which is a linear oligomer, hyperbranched (hyperbranch type) trimethylolpropane triacrylate monomer (SK-CYTEC, South Korea) 35% by weight, silica 20% by weight, pigment 3% by weight, photoinitiator IRGACURE 184 (CIBA, Switzerland) 7% by weight, antioxidant (Irganox 1035, CIBA, Switzerland) 3% by weight, other additives defoamer TEGO Airex 0.5 wt% of 920 and the dispersant BYKJET 9150 were mixed to prepare an ink composition for an inkjet printed steel sheet.
- the printed coating film test piece was manufactured by the same method and conditions as the said comparative example 1.
- Comparative Examples 10 and 11 are carried out in the same manner as in Comparative Example 9, the components and contents of the ink composition for each inkjet printed steel sheet are shown in Table 4 below.
- Corrosion resistance was determined to be good, normal and poor based on the initial appearance of spray by spraying the coated specimen 240% of 5% saline solution at a humidity of 35, 95%.
- Test specimen cannot be manufactured due to poor ink spraying.
- the pencil hardness is 45 degrees by pencil type (2B, B, HB, F, H, 2H, 3H) on the cured coating film using the pencil hardness tester according to the pencil hardness method of JIS K-5400. The degree of scratching was visually evaluated.
- Test specimen cannot be manufactured due to poor ink spraying.
- Adhesion of paint film is to draw 1 line horizontally and vertically on the specimen so that the interval is 1mm according to ISO 2409 paint adhesion test method, attach cellophane adhesive tape on it, and then peel it off. Adhesion was evaluated by the number of pieces remaining.
- Ink jetting property of the ink composition for the inkjet printing steel sheet is inserted into the inkjet head and injected on the surface of the adherend to determine the degree of injection.
- the pencil hardness also increases as the ink jetting property becomes better.
- the content of the benzene cyclic monomer or the hyperbranched monomer exceeds 75% by weight as in Comparative Examples 2 to 3 it can be seen that the ink jetting property is good but the processability becomes weak. And it can be confirmed that the adhesion of the coating becomes weak.
- the corrosion resistance showed good result with high crosslinking degree of an oligomer and a monomer.
- the content of the oligomer is 5% by weight or less, workability is weak and the phenomenon of peeling more than 50% in the evaluation of the adhesion of the coating film was confirmed.
- Example 11 Example 12
- Example 13 Example 14
- Example 15 Example 16
- Example 18 Corrosion Resistance (240 Hours) Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Pencil hardness 5H 4H 3H 2H 2H 2H H H F Machinability (3t bendability) Bad usually Good Good Good Good Good Good Good Good Coating Film Adhesion No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling No peeling Ink jetting Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good Good
- Table 7 shows the physical properties of the printed coating film of Comparative Example 8 and Examples 11 to 18 in the case of including the monomer with the inorganic particles.
- the pencil hardness of the printed film increases from F to 5H.
- the content of the monomer to which the inorganic particles are attached exceeds 15% by weight as in Comparative Example 8, there is a point that the coating film becomes brittle and it is difficult to secure workability.
- the content of the monomer to which the inorganic particles are attached is preferably 0.1 to 15% by weight.
- Table 8 shows a comparison result of adding inorganic particles (spherical silica) alone instead of the monomer to which the inorganic particles are attached.
- inorganic particles spherical silica
- Table 8 shows a comparison result of adding inorganic particles (spherical silica) alone instead of the monomer to which the inorganic particles are attached.
- inorganic particles were added in excess of 5% by weight, it was difficult to secure ink jetting property, so that test specimens could not be manufactured, and physical properties could not be measured (not measurable).
- Comparative Example 11 showed a tendency to generate a fine crack (cracks) in the workability evaluation, as shown in Figures 7 and 8, it can be seen that the silica particles are unevenly distributed.
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Abstract
Description
C.Ex.1 | Ex.1 | Ex.2 | Ex.3 | Ex.4 | Ex.5 | C. Ex.2 | C. Ex.3 | Ex.6 | Ex.7 | Ex.8 | Ex.9 | Ex.10 | |
A | 76 | 50 | 35 | 20 | 15 | 11 | 5 | 2 | 50 | 50 | 50 | 50 | 50 |
B | 10 | 36 | 51 | 66 | 71 | 75 | 81 | 84 | 42.5 | 41 | 31 | 24 | 19 |
C | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 0.5 | 3 | 5 | 10 | 10 |
D | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 3 | 3 | 10 | 10 | 15 |
E | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 2 | 3 | 5 | 5 |
F | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
G | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
Ex.: 실시예 C.Ex.: 비교예A: 2관능 에폭시아크릴레이트 B: 트리메틸올프로판 트리아크릴레이트 C: 안료 D: 광개시제 E: 산화안정제 F: 소포제 G: 분산제 |
구분 | 비교예 4 | 비교예 5 | 비교예 6 | 비교예 7 |
2관능 에폭시아크릴레이트 | 76 | 50 | 35 | 20 |
이소보닐아크릴레이트 및트리프로필렌글리콜 디아크릴레이트 | 10 | 36 | 51 | 66 |
안료 | 3 | 3 | 3 | 3 |
광개시제 | 7 | 7 | 7 | 7 |
산화안정제 | 3 | 3 | 3 | 3 |
소포제 | 0.5 | 0.5 | 0.5 | 0.5 |
분산제 | 0.5 | 0.5 | 0.5 | 0.5 |
구분 | 비교예 | 실시예 | |||||||
8 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | |
에폭시아크릴레이트 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 |
트리메틸올프로판 트리아크릴레이트 모노머 | 31 | 36 | 41 | 43 | 46 | 48 | 49.5 | 50.5 | 50.9 |
실리카 부착 모노머 | 20 | 15 | 10 | 8 | 5 | 3 | 1.5 | 0.5 | 0.1 |
안료 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
광개시제 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
산화안정제 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
소포제 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
분산제 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 |
구분 | 비교예 9 | 비교예 10 | 비교예 11 |
선형 올리고머 | 35 | 35 | 35 |
벤젠 고리형 모노머 | 31 | 41 | 46 |
실리카 | 20 | 10 | 5 |
안료 | 3 | 3 | 3 |
광개시제 | 7 | 7 | 7 |
산화안정제 | 3 | 3 | 3 |
소포제 | 0.5 | 0.5 | 0.5 |
분산제 | 0.5 | 0.5 | 0.5 |
C.Ex.1 | Ex.1 | Ex.2 | Ex.3 | Ex.4 | Ex.5 | C. Ex.2 | C. Ex.3 | Ex.6 | Ex.7 | Ex.8 | Ex.9 | Ex.10 | |
내식성(240 시간) | 측정 불가 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 |
연필경도 | 측정 불가 | HB | F | H | H | H | H | H | F | F | F | F | HB |
가공성(3t 벤딩성) | 측정 불가 | 양호 | 양호 | 양호 | 양호 | 보통 | 불량 | 불량 | 양호 | 양호 | 양호 | 양호 | 양호 |
도막 밀착성 | 측정 불가 | 박리 없음 | 박리 없음 | 박리 없음 | 10% 박리 | 10% 박리 | 50% 이상박리 | 50% 이상박리 | 박리 없음 | 박리 없음 | 박리 없음 | 박리 없음 | 박리 없음 |
잉크 분사성 | 불량 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 |
구분 | 비교예 4 | 비교예 5 | 비교예 6 | 비교예 7 |
내식성(240시간) | 측정불가 | 측정불가 | 측정불가 | 보통 |
연필경도 | 측정불가 | 측정불가 | 측정불가 | F |
가공성(3t 벤딩성) | 측정불가 | 측정불가 | 측정불가 | 양호 |
도막 밀착성 | 측정불가 | 측정불가 | 측정불가 | 10% 박리 |
잉크 분사성 | 불량 | 불량 | 불량 | 양호 |
구분 | 비교예8 | 실시예11 | 실시예12 | 실시예13 | 실시예14 | 실시예15 | 실시예16 | 실시예17 | 실시예18 |
내식성(240 시간) | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 |
연필경도 | 5H | 4H | 3H | 2H | 2H | 2H | H | H | F |
가공성(3t 벤딩성) | 불량 | 보통 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 |
도막 밀착성 | 박리없음 | 박리없음 | 박리없음 | 박리없음 | 박리없음 | 박리없음 | 박리없음 | 박리없음 | 박리없음 |
잉크 분사성 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 | 양호 |
구분 | 비교예 9 | 비교예 10 | 비교예 11 |
내식성(240 시간) | 측정 불가 | 측정 불가 | 양호 |
연필경도 | 측정 불가 | 측정 불가 | H |
가공성(3t 벤딩성) | 측정 불가 | 측정 불가 | 보통 |
도막 밀착성 | 측정 불가 | 측정 불가 | 박리 없음 |
잉크 분사성 | 불량 | 불량 | 양호 |
Claims (22)
- 조성물 총 중량에 대하여, 선형(linear type) 아크릴레이트계 올리고머 11 내지 50중량%;반응성 아크릴레이트계 모노머 19 내지 75중량%;자외선 경화형 개시제 0.1 내지 15중량%;염료 및 안료로 이루어진 군에서 선택되는 1종 이상 0.5 내지 10중량%; 및산화방지제, 소포제 및 분산제로 이루어진 군에서 선택되는 1종 이상 0.1 내지 10중량%를 포함하는, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 1에 있어서, 상기 잉크젯 프린트 강판용 잉크 조성물은, 조성물 총 중량에 대하여 무기입자가 부착된 선형 아크릴레이트계 모노머 0.1 내지 15중량%를 더 포함하는, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 1에 있어서, 상기 선형 아크릴레이트계 올리고머는, 선형 에폭시 아크릴레이트 올리고머 및 선형 우레탄 아크릴레이트 올리고머 중 어느 하나 이상인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 3에 있어서, 상기 선형 에폭시 아크릴레이트 올리고머는, 고리형 지방족 에폭시 아크릴레이트 올리고머, 지방족 폴리글리시딜 에폭시 아크릴레이트 올리고머 및 글리시딜 아민 타입 에폭시 아크릴레이트 올리고머로 이루어진 군에서 선택되는 하나 이상인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 3에 있어서, 상기 선형 우레탄 아크릴레이트 올리고머는 지방족 우레탄 아크릴레이트인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 1에 있어서, 상기 반응성 아크릴레이트계 모노머는 벤젠고리를 포함하는 가지형(branch type) 모노머 또는 벤젠고리를 포함하지 않는 하이퍼브랜치형(hyperbranch type) 모노머인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 1에 있어서, 상기 반응성 아크릴레이트계 모노머는 페녹시에틸 (메타)아크릴레이트(phenoxyethyl methacrylate), 비스페놀 A 디글리시딜 에테르 디(메타)아크릴레이트 및 트리메틸올프로판 트리아크릴레이트(trimethylolpropane triacrylate)로 이루어진 군에서 선택되는 하나 이상인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 2에 있어서, 상기 무기입자는 실리카, 이산화티탄 및 알루미늄옥사이드로 이루어진 군에서 선택되는 하나 이상인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 2에 있어서, 상기 무기입자는 직경 2 내지 500nm인 구형의 무기입자인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 2에 있어서, 상기 선형 아크릴레이트계 모노머는 이소보닐 아크릴레이트(isobonyl acrylate), 이소보닐 메타크릴레이트(isobonyl methacrylate), 테트라히드로퓨릴 아크릴레이트(tetrahydrofuryl acrylate), 트리프로필렌글리콜 디아크릴레이트(tripropyleneglycol diacrylate), 1,6-헥산디올 디아크릴레이트(1,6-hexane diol diacrylate) 및 펜타에리트리톨 트리아크릴레이트(pentaerythritol triacrylate)로 이루어진 군에서 선택되는 하나 이상인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 1에 있어서, 상기 자외선 경화형 개시제는 2,2-디메톡시-2-페닐아세토페논(2,2-dimethoxy-2-phenylacetophenone), 1-하이드록시사이클로헥실 페닐 케톤(1-hydroxycyclohexyl Phenyl Ketone), 1-(4-이소프로필페닐)-2-하이드록시-2-메틸프로판-1-온(1-(4-Isopropylphenyl)-2-hydroxy-2-methylpropane-1-one), 1,1-디메톡시 데옥시벤조인(1,1-dimethoxy deoxybenzoin), 3,3'-디메틸-4-메톡시벤조페논(3,3'-dimethyl-4-methoxybenzophenone), 1-(4-도데실 페닐)-2-하이드록시-2-메틸프로판-1-온(1-(4-dodecyl phenyl)-2-hydroxy-2-methyl propan-1-one), 2-메틸-1-[4-(메틸티오)페닐]-2-모르포리노프로판-1-온(2-methyl-1-[4-(methylthio) phenyl]-2-morpholino propan-1-one), (2,4,6-트리메틸벤조일)디페닐포스핀옥사이드((2,4,6-Trimethylbenzoyl)diphenylphosphine Oxide), 에틸(2,4,6-트리메틸벤조일)페닐포스피네이트(ethyl(2,4,6-trimethylbenzoyl)phenylphosphinate), 비스(아실)포스핀옥사이드(bis(acyl)phosphine oxide), 메틸 벤조일포르메이트(methyl benzoylformate), 4-벤조일-4'-메틸디페닐설파이드(4-benzoyl-4'-methyldiphenylsulfide), 벤질 디메틸 케탈(benzyl dimethyl ketal), 플루오레논(fluorenone), 플루오렌(fluorene), 벤즈알데히드(benzaldehyde), 벤조페논(benzophenone), 안트라퀴논(anthraquinone) 및 크산톤(xantone)으로 이루어진 군에서 선택되는 하나 이상인, 잉크젯 프린트 강판용 잉크 조성물.
- 청구항 1에 있어서, 상기 잉크젯 프린트 강판용 잉크 조성물의 점도는 25에서 1 내지 50cps인, 잉크젯 프린트 강판용 잉크 조성물.
- 강판의 어느 일면 또는 양면에 청구항 1 내지 12 중 어느 하나의 잉크젯 프린트 강판용 잉크 조성물이 인쇄된 잉크젯 인쇄층을 포함하는, 잉크젯 프린트 강판.
- 청구항 13에 있어서, 상기 강판은, 냉연강판, 열연강판, 아연도금강판, 알루미늄도금강판, 칼라도장강판, 스테인레스강판, 마그네슘강판, 알루미늄강판, 아연강판 및 티타늄강판으로 이루어진 군에서 선택되는 하나 이상인, 잉크젯 프린트 강판.
- 청구항 13에 있어서, 상기 잉크젯 인쇄층 상에 투명 도장층 또는 투명 필름층을 포함하는, 잉크젯 프린트 강판.
- 청구항 15에 있어서, 상기 투명 도장층은, 자외선 경화방식의 클리어 도장층, 분자량 3,000 내지 25,000의 폴리에스터계 수지층, 불소계를 포함하는 수지 도막층 및 자기 세정성을 가지는 불포화 폴리에스터계 수지층으로 이루어진 군에서 선택되는 어느 하나 이상인, 잉크젯 프린트 강판.
- 청구항 15에 있어서, 상기 투명 필름층은 폴리에스테르프탈레이트, 폴리프로필렌, 폴리에틸렌 및 에틸비닐아세테이트로 이루어진 군에서 선택되는 어느 하나 이상인, 잉크젯 프린트 강판.
- 청구항 15에 있어서, 상기 투명 필름층의 두께는 10 내지 150㎛인, 잉크젯 프린트 강판.
- 청구항 13에 있어서, 상기 잉크젯 프린트 강판은, 상기 강판 및 잉크젯 인쇄층 사이에, 도금층, 전처리층, 프라이머층, 컬러 도장층으로 이루어진 군에서 선택되는 하나 이상의 층이 더 포함되는, 잉크젯 프린트 강판.
- 청구항 1 내지 12 중 어느 하나의 잉크젯 프린트 강판용 잉크 조성물을 잉크젯 헤드에 공급하는 단계; 및잉크젯 프린팅을 이용하여 상기 잉크젯 프린트 강판용 잉크 조성물을 강판의 어느 일면 또는 양면에 분사하여 인쇄하는 단계를 포함하는, 잉크젯 프린트 강판의 제조 방법.
- 청구항 20에 있어서, 상기 강판에 인쇄된 잉크 조성물을 UV 경화시키는 경화 단계를 더 포함하는, 잉크젯 프린트 강판의 제조 방법.
- 청구항 20에 있어서, 상기 강판은 냉연강판, 열연강판, 아연도금강판, 알루미늄도금강판, 칼라도장강판, 스테인레스강판, 마그네슘강판, 알루미늄강판, 아연강판 및 티타늄강판으로 이루어진 군에서 선택되는 하나 이상인, 잉크젯 프린트 강판의 제조 방법.
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US15/751,634 US11591491B2 (en) | 2015-08-14 | 2016-08-12 | Ink composition for inkjet printed steel plate, inkjet printed steel plate using the same, and method for producing inkjet printed steel plate |
JP2018506922A JP2018532001A (ja) | 2015-08-14 | 2016-08-12 | インクジェットプリント鋼板用インク組成物、それを用いたインクジェットプリント鋼板、及びインクジェットプリント鋼板の製造方法 |
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US11591491B2 (en) | 2023-02-28 |
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EP3336152A4 (en) | 2018-06-20 |
EP3336152A1 (en) | 2018-06-20 |
KR20170020680A (ko) | 2017-02-23 |
KR101798715B1 (ko) | 2017-11-17 |
CN107922770A (zh) | 2018-04-17 |
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