WO2013062329A1 - 용접성, 내스크래치성 및 내식성이 우수한 표면처리 강판 - Google Patents
용접성, 내스크래치성 및 내식성이 우수한 표면처리 강판 Download PDFInfo
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- WO2013062329A1 WO2013062329A1 PCT/KR2012/008803 KR2012008803W WO2013062329A1 WO 2013062329 A1 WO2013062329 A1 WO 2013062329A1 KR 2012008803 W KR2012008803 W KR 2012008803W WO 2013062329 A1 WO2013062329 A1 WO 2013062329A1
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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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
- C09D175/12—Polyurethanes from compounds containing nitrogen and active hydrogen, the nitrogen atom not being part of an isocyanate group
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/103—Anti-corrosive paints containing metal dust containing Al
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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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
- C09D5/10—Anti-corrosive paints containing metal dust
- C09D5/106—Anti-corrosive paints containing metal dust containing Zn
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0812—Aluminium
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
- Y10T428/263—Coating layer not in excess of 5 mils thick or equivalent
- Y10T428/264—Up to 3 mils
- Y10T428/265—1 mil or less
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/31504—Composite [nonstructural laminate]
- Y10T428/31551—Of polyamidoester [polyurethane, polyisocyanate, polycarbamate, etc.]
- Y10T428/31573—Next to addition polymer of ethylenically unsaturated monomer
- Y10T428/31576—Ester monomer type [polyvinylacetate, etc.]
Definitions
- the present invention relates to a surface-treated steel sheet excellent in weldability, scratch resistance and corrosion resistance.
- Conventional weldable surface-treated steel sheet is a steel sheet manufactured by coating an organic solvent-type resin containing a metal powder, and an aqueous chromium-free treatment is essential in order to secure adhesion and corrosion resistance with the steel sheet.
- the chromium-free coating film formed on the steel plate is thin as the coating film thickness is less than 1 micrometer, since it cannot contain conductive pigments, such as a metal powder, an electroconductive ceramic, or graphene, in order to ensure corrosion resistance, weldability falls very much.
- the electromagnetic wave shielding surface treatment steel plate which improved the electroconductivity of a surface treatment layer is manufactured by coating the aqueous coating composition containing metal powder on a steel plate.
- the aqueous coating composition containing the metal powder is excellent in adhesion to the steel sheet, but because it is poor in corrosion resistance, it is difficult to be used as a steel plate for building materials requiring high corrosion resistance.
- UV curable coating composition coated with a UV curable coating composition have excellent appearance and scratch resistance, but welding is difficult because a thick surface-treated layer is formed on the surface of the steel sheet.
- the UV curable coating composition is irradiated with ultraviolet rays to cause a curing reaction, an opaque metal powder or pigment cannot be used in the UV curable coating composition.
- An object of the present invention is to provide an excellent surface-treated steel sheet excellent in weldability, scratch resistance and corrosion resistance and a method for producing the same.
- the present invention as a means for solving the above problems, a main resin; And it provides a resin composition for undercoat of the UV coating layer containing a metal powder and satisfying the conditions of the following general formula (1).
- Dl represents the average particle size of the long axis of the metal powder
- Tb represents the thickness of the undercoat formed by the resin composition for the undercoat of the UV coating layer.
- the present invention is another means for solving the above problems, a steel sheet;
- An undercoat layer comprising a main resin and a metal powder, comprising a cured product of a resin composition for forming a undercoat layer, which satisfies the conditions of the following general formula (1), and is formed on one or both surfaces of the steel sheet;
- a top coat layer formed on the bottom coat layer and including a radical compound:
- Dl represents the average particle size of the long axis of the metal powder
- Tb represents the thickness of the undercoat layer formed by the cured product of the resin composition for forming the undercoat layer.
- the present invention forms an undercoat layer comprising a metal powder having a long-axis average particle size of a specific range on the material steel sheet, and by forming a top coat layer comprising a cured product of the UV curable coating composition on the undercoat layer, the appearance and scratch resistance Not only this, but also the surface treated steel plate which can ensure the outstanding corrosion resistance and weldability can be provided.
- FIG 1 and 2 are cross-sectional views of surface-treated steel sheets according to embodiments of the present invention.
- the present invention is a subject resin; And it contains a metal powder, and relates to the resin composition for undercoat of the UV coating layer which satisfy
- Dl represents the average particle size of the long axis of the metal powder
- Tb represents the thickness of the undercoat formed by the resin composition for the undercoat of the UV coating layer.
- the undercoat resin composition of the UV coating layer of the present invention contains the main resin and the metal powder, and satisfies the condition of the general formula (1). That is, in the resin composition for undercoat of the UV coating layer of the present invention, in consideration of the thickness (Tb) of the undercoat produced using the undercoat resin composition of the UV coating layer, the average particle size (Dl) of the long axis of the metal powder is Tb / It can adjust so that it may become 3 or more, Preferably it is Tb / 2 or more, More preferably, it is Tb or more.
- the average particle size (Dl) of the long axis of the metal powder contained in the resin composition for coating of the UV coating layer of the present invention may be 1/3 to 10 ⁇ m or more.
- the method for measuring the average particle size of the long axis of the metal powder is not particularly limited, and any means commonly used in this field may be employed without limitation, and for example, a particle size analyzer may be used. Can be measured.
- the average particle size (Dl) of the long axis of the metal powder is less than Tb / 3
- powdering This may occur or the conductivity of the undercoat layer may be lowered, resulting in poor weldability.
- the upper limit of the average particle size (Dl) of the long axis of the metal powder is not particularly limited, and may be, for example, 5Tb or less, preferably 4Tb or less, more preferably 3Tb or less, and most preferably 2Tb or less.
- the average particle diameter (Dl) of the long axis of the said metal powder exceeds 3Tb, there exists a possibility that a metal powder may fall out from the undercoat layer which hardened the resin composition for undercoat of the UV coating layer of this invention hardened
- the undercoat resin composition of the UV coating layer of the present invention may include a main resin, the main resin is a main resin constituting the undercoat layer to stably bond the metal powder, and to secure the main physical properties such as corrosion resistance and processability Can play a role.
- the type of the main resin is not particularly limited, and any resin can be used as long as it can secure main physical properties such as corrosion resistance and processability, but is preferably a polyurethane resin, an epoxy resin, or a phenoxy resin. , At least one selected from the group consisting of an ester resin, an acrylic resin and an olefin resin, more preferably a polyurethane resin, and most preferably a water-soluble polyurethane resin.
- the water-soluble polyurethane resin may be, for example, a copolymerized form of diisocyanate, polyol and diamine, but is not limited thereto. Specific types of the diisocyanate, polyol and diamine are not particularly limited, and all compounds generally known in the art may be used.
- volume used in the present invention means a volume ratio
- the subject resin may be included in 20 parts by volume to 90 parts by volume, preferably 30 parts by volume to 80 parts by volume with respect to 100 parts by weight of the solid content of the resin composition for the undercoat of the UV coating layer.
- the content of the main resin is less than 20 parts by volume, the content of the main resin is too small to stably disperse the metal powder, and also may be difficult to secure the main physical properties such as corrosion resistance and processability, 90 parts by volume If it exceeds, the content of the additive including the curing agent is so small that the curing power may be lowered.
- the undercoat resin composition of the UV coating layer of the present invention may include a metal powder, the metal powder may serve to improve the conductivity of the undercoat layer.
- the kind of the metal powder is not particularly limited, and metals generally used in this field may be used, but preferably Al, Ni, Co, Mn, Fe, Ti, Cu, One or more selected from the group consisting of Zn, Sn and Fe 2 P can be used.
- the metal powder may be included in 1 to 30 parts by volume, preferably 5 to 20 parts by volume, based on 100 parts by weight of the solid content of the resin composition for the undercoat of the UV coating layer.
- the content of the metal powder is less than 1 part by volume, the welding may not be possible due to insufficient electrical conductivity at the time of resistance welding in which a very large current flows at an instant, and when the content of the metal powder exceeds 30 parts by volume, the coating film is processed when the coated steel sheet is processed. Peeled off or the metal powder is fixed to the mold after desorption, the appearance of the molded part is not beautiful in the continuous molding operation, the corrosion resistance of the peeled or scratched portion of the coating film is sharply degraded may easily occur.
- the shape of the metal powder is not particularly limited, but may preferably be spherical or plate-like.
- the undercoat resin composition of the UV coating layer of the present invention may further include 1 part by weight to 30 parts by weight of an additive with respect to 100 parts by weight of the solid content of the undercoat resin composition of the UV coating layer.
- the additive which can be used in the resin composition for under coating of the UV coating layer of the present invention may be one or more selected from the group consisting of a curing agent, a storage stabilizer, a silane coupling agent, a filler, and a mixture thereof, but is not limited thereto.
- the curing agent may serve to crosslink the main resin to impart cohesion.
- the type of the curing agent may include one or more selected from the group consisting of amine compounds, epoxy compounds, melamine compounds, and blocked isocyanate compounds, but is not limited thereto.
- Examples of the amine compounds include tetramethylguanidine, imidazole or derivatives thereof, carboxylic acid hydrazides, tertiary amines, aromatic amines, aliphatic amines, dicyandiamides or derivatives thereof;
- Examples of the epoxy compound include ethylene glycol diglycidyl ether, triglycidyl ether, trimethylolpropane triglycidyl ether, N, N, N ', N'-tetraglycidyl ethylenediamine or glycerin diglycidyl Ethers and the like;
- Examples of the melamine-based compound include hexamethoxymethyl melamine, hexaethoxymethylmelamine, hexapropoxymethylmelamine, hexabutoxymethylmelamine, hexapentyloxymethylmelamine, hexahexyloxymethylmelamine or cymel 325 (Cytec Co., Ltd.
- blocked isocyanate compounds include tolylene blocked with a blocking agent such as methylethyl keoxime, diethyl malonate or 3,5-dimethyl pyrazole.
- a blocking agent such as methylethyl keoxime, diethyl malonate or 3,5-dimethyl pyrazole.
- the storage stabilizer can improve the shelf life of the resin composition for undercoat of the UV coating layer of the present invention.
- examples of the storage stabilizer include, but are not limited to, phenolic antioxidants or amine antioxidants.
- phenolic antioxidants examples include alkylated monophenols, alkylthiomethylphenols, hydroquinones, alkylated hydroquinones, tocopherols, hydroxylated thiodiphenyl ethers, alkylidenebisphenols, O-benzyl compounds, and N-benzyl compounds.
- amine antioxidant examples include arylamine, diaryl amine, polyaryl amine, acylaminophenol, oxamide, metal deactivator, phosphite, phosphonite, benzylphosphonate, ascorbic acid, hydroxyamine, nitrate Lon, thiosynergy, or indolinone, and the like, but is not limited thereto.
- the silane coupling agent may improve the adhesion between the metal powder and the main resin within the bottom formed by the resin composition for the bottom coat of the UV coating layer, or improve the adhesion between the steel sheet surface and the main resin.
- the metal powder treated with the silane coupling agent may be mixed with the main resin or the like, or after mixing the main resin with the silane coupling agent, the metal powder may be dispersed in the mixture. .
- the silane coupling agent When the silane coupling agent is previously mixed with the main resin or the like, and then the metal powder is dispersed in the mixture, the silane coupling agent may be included in an amount of 0.1 parts by weight to 10 parts by weight based on 100 parts by weight of the main resin.
- the content of the silane coupling agent When the content of the silane coupling agent is less than 0.1 part by weight, the effect of addition may be insignificant and the adhesion between the metal powder and the main resin may be reduced.
- the silane in the resin composition for under coating of the UV coating layer of the present invention may be reduced.
- the coupling agent may be unevenly dispersed and the corrosion resistance may be lowered.
- silane coupling agent examples include methacryloxypropyltrimethoxysilane, gamma-methacryloxypropylethoxysilane, gamma-chloropropylmethoxysilane, vinyltriethoxysilane, vinyltris (beta-methoxyethoxy) Silane, vinyltriacetoxysilane, gamma-glycidoxypropyltrimethoxysilane, gamma-glycidoxypropyltriethoxysilane, beta- (3,4-epoxycyclohexyl) ethyltrimethoxysilane, vinyltrichloro Silane, gamma-mercaptopropylmethoxysilane, gamma-aminopropyltriethoxysilane, N-beta- (aminoethyl) -gamma-aminopropyltrimethoxysilane or mixtures thereof, and the like, but are
- the present invention is also a steel sheet;
- An undercoat layer comprising a main resin and a metal powder, comprising a cured product of a resin composition for forming a undercoat layer, which satisfies the conditions of the following general formula (1), and is formed on one or both surfaces of the steel sheet;
- a top coat layer formed on the undercoat layer and comprising a top coat layer containing a radical compound.
- Dl represents the average particle size of the long axis of the metal powder
- Tb represents the thickness of the undercoat layer formed by the cured product of the resin composition for forming the undercoat layer.
- FIG 1 and 2 are cross-sectional views of surface-treated steel sheets according to one embodiment of the present invention.
- the surface-treated steel sheet 10 of the present invention is a material steel sheet (11); An undercoat layer 12 formed on one surface of the material steel plate 11 and including metal powder 14; And a top coat layer 13 formed on the undercoat layer 12, and as shown in FIG. 2, the surface-treated steel sheet 20 of the present invention comprises: a material steel sheet 11; Two undercoats 12 formed on both sides of the material steel plate 11 and containing metal powder 14; And two top coat layers 13 formed on the undercoat layer 12.
- the type of the raw material steel sheet is not particularly limited, but preferably a cold rolled steel sheet; galvanized steel; Zinc-based electroplating steel sheet; Hot dip galvanized steel sheet; Aluminum plated steel sheet; Plated steel sheets containing cobalt, molybdenum, tungsten, nickel, titanium, aluminum, manganese, iron, magnesium, tin, copper or mixtures thereof in the plating layer; Aluminum alloy plate to which silicon, copper, magnesium, iron, manganese, titanium, zinc or a mixture thereof is added; Phosphate coated galvanized steel sheet; And one or more selected from the group consisting of hot-rolled steel sheet, but is not limited thereto.
- the thickness of the steel sheet is not particularly limited, and may be appropriately selected depending on the purpose and use of the steel sheet.
- Steel plates are classified into thick plates of more than 6 mm, heavy plates of 1 mm to 6 mm, and thin plates of less than 1 mm, depending on the thickness thereof.
- the undercoat layer formed on one or both surfaces of the raw material steel sheet includes a cured product of the resin composition for forming the undercoat layer, which contains a main resin and a metal powder, and satisfies the conditions of the general formula (1). It may include.
- the undercoat includes a metal powder having an average particle size of a long axis that satisfies the conditions of the general formula (1), thereby improving the conductivity of the undercoat, thereby providing excellent weldability. Since the detailed information regarding the resin composition for undercoat layer formation is the same as the above-mentioned content regarding the resin composition for undercoat of a UV coating layer, the description is abbreviate
- the thickness of the undercoat layer is not particularly limited, but may be preferably 10 ⁇ m or less, more preferably 1 ⁇ m to 10 ⁇ m, still more preferably 1 ⁇ m to 5 ⁇ m.
- the thickness of the undercoat layer exceeds 10 ⁇ m, even if the undercoat layer contains a conductive metal powder, the conductivity decreases and the weldability is poor, and further, a cured product of the UV curable coating composition is contained on the undercoat.
- weldability may not be expressed.
- the top coat layer formed on the undercoat layer may include a radical compound, and preferably may include a cured product of a UV curable coating composition including an oligomer, a photopolymerizable monomer and a photoinitiator. .
- the UV curable coating composition includes an oligomer, a photopolymerizable monomer and a photoinitiator, thereby ensuring excellent appearance, scratch resistance and corrosion resistance.
- parts by weight used in the present invention means a weight ratio.
- the oligomer may be included in 10 parts by weight to 80 parts by weight, preferably 30 parts by weight to 70 parts by weight based on 100 parts by weight of the UV curable paint composition.
- the content of the oligomer is less than 10 parts by weight, as the photopolymerization reaction proceeds rapidly, the crosslinking density may increase and brittleness of the coating may increase. There is a possibility that a large amount of UV irradiation for curing is required or the UV irradiation time is prolonged.
- the type of the oligomer is not particularly limited, but preferably at least one acrylic oligomer selected from the group consisting of urethane acrylate, epoxy acrylate and polyester acrylate. .
- the weight average molecular weight of the oligomer in the present invention is not particularly limited, for example, may be 1000 to 5000, preferably 1000 to 3000.
- the weight average molecular weight means a polystyrene conversion value measured by GPC (gel permeation chromatography).
- the photopolymerizable monomer may be included in 10 parts by weight to 80 parts by weight, preferably 30 parts by weight to 70 parts by weight based on 100 parts by weight of the UV curable paint composition.
- the photopolymerization reaction rate is lowered, making it difficult to control the crosslinking density, requiring a large amount of UV irradiation to cure the coating film, or a long UV irradiation time, and 80 parts by weight. If exceeded, as the photopolymerization reaction proceeds rapidly, the crosslinking density increases, which may increase the brittleness of the coating film.
- the kind of the photopolymerizable monomer is not particularly limited, but may be preferably a monofunctional or polyfunctional acrylate monomer.
- the multifunctional acrylate monomer refers to a photopolymerizable acrylate monomer having two or more acrylate residues in a molecule.
- the kind of the monofunctional acrylate monomer is not particularly limited, and examples thereof include methyl (meth) acrylate, ethyl (meth) acrylate, n-propyl (meth) acrylate, isopropyl (meth) acrylate, n-butyl (meth) acrylate, t-butyl (meth) acrylate, sec-butyl (meth) acrylate, pentyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, 2-ethylbutyl (meth ) Acrylate, n-octyl (meth) acrylate, isooctyl (meth) acrylate, isobonyl (meth) acrylate, isononyl (meth) acrylate, acrylic morpholine (ACMO), tetrahydrofuryl (meth) An acrylate, hydroxyethyl (meth) acrylate,
- polyfunctional acrylate monomers include hexanediol di (meth) acrylate, trimethylolpropanetrioxyethyl di (meth) acrylate, alkylene glycol di (meth) acrylate, and dialkylene glycol.
- the photoinitiator may be included in 0.1 to 30 parts by weight, preferably 1 to 10 parts by weight based on 100 parts by weight of the UV curable paint composition.
- the photoinitiator is less than 0.1 parts by weight, the photopolymerization reaction does not occur, or the photopolymerization reaction occurs very slowly, so that curing of the coating film by UV irradiation may be impossible or the curing time may be prolonged. Due to the reaction, the photoinitiator remains in a state in which it is transferred to the radical form, thereby suppressing the photopolymerization reaction or lowering the physical properties of the coating film.
- the kind of the photoinitiator is not particularly limited, and a short wavelength photoinitiator or a long wavelength photoinitiator may be selectively used depending on the ultraviolet lamp used for curing the coating composition.
- photoinitiators examples include, for example, Irgacure 184 TM, Irgacure 754 TM, Irgacure 819 TM, Darocure 1173 TM and Darocure.
- Ciba specialty chemicals such as TPO TM (Darocure TPO TM);
- US-based products such as Micure CP-4 TM, Micure MP-8 TM, Micure BP TM and Micure TPO TM It may be, but is not limited thereto.
- the UV curable paint composition of the present invention is based on 100 parts by weight of the UV curable paint composition, the additive is 0.1 parts by weight to 15 parts by weight, preferably 0.3 parts by weight to 10 parts by weight, based on 100 parts by weight of the UV curable paint composition. More preferably, it may be included in 0.5 to 6 parts by weight.
- the additive may be included within the content range, thereby exhibiting the additive's natural effect without changing the physical properties required for the UV-curable coating composition.
- the type of the additive is not particularly limited, and any additive may be used as long as it is an additive commonly used in the art, but is preferably an antifoaming agent, a leveling agent, an adhesion promoter, an antioxidant, an optical stabilizer, an ultraviolet absorber, a thermal polymerization inhibitor. , At least one selected from the group consisting of a leveling agent, a dispersing agent, an antistatic agent, a plasticizer, an organic filler and a mixture thereof.
- the antifoaming agent is to remove bubbles generated during the coating operation on the undercoat layer using the UV-curable coating composition of the present invention.
- Specific examples thereof include TEGO Airex 920, TEGO Airex 932, BYK 088 or BYK 1790.
- the present invention is not limited thereto.
- the leveling agent is for improving the appearance and scratchability of the coating film, and specific examples thereof include TEGO Glide 410, TEGO Glide 440, TEGO Rad 2250, BYK-UV 3500 or BYK-UV 3510, but are not limited thereto. .
- the adhesion promoter is to improve adhesion to the undercoat of the UV curable coating composition, and specific examples thereof include acrylic phosphate adhesion promoters such as hydroxyethyl acryloyl phosphate or hydroxyethyl methacrylate phosphate.
- acrylic phosphate adhesion promoters such as hydroxyethyl acryloyl phosphate or hydroxyethyl methacrylate phosphate.
- the present invention is not limited thereto.
- antioxidants examples include BASF's products such as Iganox 1010, Iganox 1035, Iganox 1076 or Iganox 1222;
- light stabilizer examples include BASF, such as Tinuvin 292, Tinuvin 144 or Tinuvin 622LD;
- Sankyo's products such as the Sanol LS-770, the Sanol LS-765, the Sanol LS-292, or the Sanol LS-744.
- UV absorbent examples include BASF's products such as Tinuvin P, Tinuvin 234, Tinuvin 320 or Tinuvin 328; And Sumisorb 110, Sumisorb 130, Sumisorb 140, Sumisorb 220, Sumisorb 250, Sumisorb 320 Sumitomos, such as (Sumisorb 320) or Sumisorb 400, but is not limited thereto.
- the leveling agent and the dispersant may be used by selecting the products of conventional paint additive manufacturers such as BYK, TEGO and EFKA.
- the thickness of the top coat layer is not particularly limited, but may be preferably 1 ⁇ m to 20 ⁇ m.
- the thickness of the top coat layer is less than 1 ⁇ m, the cured product of the UV curable coating composition may not be sufficient, and scratch resistance and glossiness may be lowered.
- the thickness of the top coat layer is more than 20 ⁇ m, poor current flow or spatter may occur. Resistance welding at a constant voltage may be impossible.
- the surface-treated steel sheet of the present invention not only has excellent appearance, scratch resistance and corrosion resistance, but also excellent weldability, it can be usefully used as a building material.
- the present invention also comprises the steps of coating the resin composition for the undercoat of the UV coating layer according to the present invention on one or both sides of the raw material steel sheet to form a undercoat layer; And coating a UV-curable coating composition comprising an oligomer, a photopolymerizable monomer and a photoinitiator on the formed undercoat layer to form a top coat layer.
- a raw material steel sheet having a plating layer formed on one or both surfaces thereof may be prepared or manufactured.
- a metal having excellent corrosion resistance may be plated on the raw material steel plate.
- the metal that can be used for plating in the present invention as mentioned above, zinc, zinc-based alloy, aluminum or aluminum-based alloy, etc. may be mentioned, but is not limited thereto.
- the method of plating the metal on the steel sheet is not particularly limited, and any means generally known in the art may be used.
- it is easy to control the plating amount it is possible to use an electroplating excellent in the uniformity of the coating amount, but is not limited thereto.
- the specific content regarding the said raw material steel plate is the same as that mentioned above.
- the prepared steel sheet in order to form the undercoat layer on one side or both sides of the raw steel sheet, it is possible to perform the step of coating the resin composition for the undercoat of the UV coating layer on the surface of the raw steel sheet.
- the resin composition for the undercoat of the UV coating layer may include the main resin and the metal powder as described above, and may satisfy the condition of the general formula (1).
- the resin coating composition for the undercoat of the UV coating layer may be prepared by adding a main resin to water as a solvent, then adding a metal powder and an additive, and then aging appropriately. Since specific details of the resin composition for undercoat of the UV coating layer are the same as described above, a description thereof will be omitted.
- the undercoat layer by coating the resin composition for the undercoat of the UV coating layer prepared as described above on the material steel sheet, the undercoat layer can be formed, the coating method is not particularly limited, and all means generally known in the art It can be adopted.
- the composition for forming the undercoat layer can be coated on the material steel sheet by using a roll coating, spraying, or deposition method, and in particular, it can be applied to both one side and both sides of the steel sheet, and to control the adhesion amount of the undercoat layer. This easy roll coating can be used, but is not limited thereto.
- the step of forming the undercoat layer may be additionally carried out after the step of coating the resin composition for the undercoat of the UV coating layer on the material steel sheet.
- the drying process for forming the undercoating layer may be performed at a baking temperature of 110 ° C to 250 ° C, preferably 120 ° C to 220 ° C for at least 5 seconds.
- the baking temperature means a heat drying temperature.
- the temperature of the steel sheet specifically, the temperature of the steel sheet (Metal Temperature) is less than 110 °C, the reaction between the main resin and the metal powder does not proceed well, there is a fear that some components are eliminated when washed with water to ensure sufficient corrosion resistance
- it exceeds 250 degreeC hardening reaction will not progress any more and there exists a possibility that only the energy cost by heat loss may increase.
- the step of coating the UV curable coating composition on the undercoat layer may be performed.
- the UV curable coating composition may include an oligomer, a photopolymerizable monomer and a photoinitiator as described above.
- the UV curable coating composition may be prepared by mixing an oligomer, a photopolymerizable monomer and a photoinitiator, and preferably, may be prepared by mixing an additive together with the oligomer, the photopolymerizable monomer and the photoinitiator. Since the type and content of each component are the same as described above, description thereof will be omitted.
- the coating method is not particularly limited, any means generally known in the art can be adopted. have.
- the forming of the top coat layer may be carried out after the step of coating the UV curable coating composition on the undercoat layer, additionally irradiated with UV to cure.
- the curing process for forming the top coat layer can be carried out by irradiating UV to the UV curable coating composition coated on the undercoat layer, the method of irradiating the UV is not particularly limited, UV irradiation apparatus commonly known in the art may be employed without limitation.
- UV irradiation apparatus commonly known in the art may be employed without limitation.
- a UV lamp may be used, but is not limited thereto.
- the UV irradiation time is also not particularly limited, and may be appropriately selected so that the UV curable coating composition can be sufficiently cured.
- the photoinitiator initiates a reaction between the oligomer and the photopolymerizable monomer while forming radicals, thereby proceeding with UV curing.
- a top coat layer containing the cured product of the composition may be formed.
- the surface-treated steel sheet produced by the method for producing a surface-treated steel sheet of the present invention can not only maintain an excellent appearance, scratch resistance and corrosion resistance, but also ensure excellent weldability, and thus can be usefully applied as a building material. .
- the undercoat resin composition of the UV coating layer containing the metal powder was coated on a raw material steel plate, and a UV curable coating composition was coated on the undercoat layer containing the cured product of the undercoat resin composition of the UV coating layer to prepare a surface treated steel sheet.
- a hot-dip galvanized steel sheet having a zinc adhesion of 60 g / m 2 on one side was used.
- a high speed stirring method using an impeller was used.
- the resin composition for under coating of the UV coating layer prepared above was coated on the prepared electroplated zinc steel sheet using a roll coater, and baked under fire to obtain a steel plate temperature of 140 ° C. to form a undercoat layer having a thickness of 1 ⁇ m.
- Modified epoxy acrylate oligomer [CN 150/80, Sartomer, USA] 35 g, urethane acrylate oligomer [UA-5221, HS Chemtron, South Korea] 15 g, tetrahydrofurfuryl acrylate (THFA) [SR285, Sartomer, USA] 30 g, Hexanedioldiacrylate (HDDA) [Miramer M200, Miwon Corporation, Korea] 10g, Photoinitiator [Darocure 1173, Ciba Chemicals, Switzerland] 8g, Defoamer [TEGO Airex 920, Evonik, Germany] 0.5g, Leveling agent [ TEGO Rad 2250, Evonik, Germany] 0.5 g and 1 g adhesion promoter were mixed to prepare a UV curable coating composition.
- HDDA Hexanedioldiacrylate
- HDDA Hexanedioldiacrylate
- Photoinitiator [Darocure 1173, Ciba
- the UV curable coating composition was coated on the undercoat layer containing the metal powder using a roll coater, and then irradiated with a UV light at a light amount of 2,000 mJ / cm 2 to cure the UV curable coating composition, thereby thickness.
- a top coat layer having a thickness of 6 ⁇ m was formed.
- a surface-treated steel sheet was prepared in the same manner as in Example 1, except that the type, form, average particle size, and content of the metal powder and the thickness of the undercoat and the topcoat were changed as shown in Table 1 below. It was.
- a surface-treated steel sheet was prepared in the same manner as in Example 1, except that the type, form, average particle size, and content of the metal powder; and the thickness of the undercoat and the topcoat were changed as shown in Table 2 below. It was.
- An electrode pneumatic spot welder equipped with a welding electrode of copper-chromium alloy RWMA class II was used to measure electrode life for the surface-treated steel sheets of Examples and Comparative Examples prepared above.
- the electrode life measurement was performed under measurement conditions of 1.8 kN of pressing force, 6 cycles of welding time, 24 cycles of squeeze time, and 12 cycles of holding time, and the welding current and the applied voltage were appropriately adjusted after measuring the current range for welding.
- Evaluation criteria of the weldability is as follows.
- ⁇ when the number of continuous RBIs is 0 or more and less than 300
- a cup-shaped specimen was prepared by processing the surface-treated steel sheets prepared in Examples and Comparative Examples, and the specimen had a salt concentration of 5% and a temperature of 35 ° C. using a salt spray tester (SST). After spraying the brine evenly with a spray pressure of 1kg / cm 2 , the time for the development of red blue on the side of the cup-shaped specimen was measured. Evaluation criteria of the corrosion resistance is as follows.
- Red-blue occurrence time is 480 hours or more
- the red-blue occurrence time is more than 360 hours but less than 480 hours
- the red-blue occurrence time is less than 240 hours
- the content of the metal powder that satisfies the conditions of the general formula 1 and is contained in the resin composition for the undercoat of the UV coating layer It is in the range of 30 to 30 parts by volume, the thickness (Tb) of the undercoat layer is 10 ⁇ m or less, and the thickness (Tt) of the top coat layer is 20 ⁇ m or less, thereby providing excellent weldability and excellent corrosion resistance and scratch resistance of the surface-treated steel sheet. You can see that.
- the content of the metal powder is 0.5 parts by volume, which is out of the specific content range in the present invention, and it can be seen that the weldability is poor.
- the surface-treated steel sheet of the present invention by adjusting the content of the metal powder contained in the thickness of the undercoat layer, the thickness of the top coat layer, the resin composition for the undercoat of the UV coating layer within a specific range, by satisfying the requirements of the general formula 1, weldability While maintaining excellent in corrosion resistance and scratch resistance can also be maintained very excellent.
- the surface-treated steel sheet of the present invention has excellent appearance, scratch resistance, corrosion resistance and weldability, it can be usefully used as a building material.
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Abstract
Description
구분 | 금속 분말 | 하도층의 두께 | 상도층의두께 | |||||
종류 | 형태 | 장축의 평균입도 | 단축의평균입도 | 함량 | ||||
실시예 | 1 | Al | 판형 | 6.3 | 0.4 | 2.0 | 1 | 6 |
2 | 5 | 6 | ||||||
3 | 8 | 6 | ||||||
4 | 5 | 12 | ||||||
5 | 8.0 | 1 | 6 | |||||
6 | 5 | 6 | ||||||
7 | 8 | 6 | ||||||
8 | 5 | 12 | ||||||
9 | 15.0 | 1 | 6 | |||||
10 | 5 | 6 | ||||||
11 | 8 | 6 | ||||||
12 | 5 | 12 | ||||||
13 | 30.0 | 1 | 6 | |||||
14 | 5 | 6 | ||||||
15 | 8 | 6 | ||||||
16 | 5 | 12 | ||||||
17 | 구형 | 5.7 | 5.7 | 10.0 | 2 | 3 | ||
18 | 2 | 6 | ||||||
19 | 2 | 12 | ||||||
20 | 4 | 3 | ||||||
21 | 4 | 6 | ||||||
22 | 4 | 12 | ||||||
23 | 8 | 3 | ||||||
24 | 8 | 6 | ||||||
25 | 8 | 12 | ||||||
26 | Zn | 구형 | 4.6 | 4.6 | 2.0 | 5 | 6 | |
27 | 5.0 | |||||||
28 | 10.0 | |||||||
29 | 15.0 | |||||||
30 | 30.0 | |||||||
31 | Ni | 구형 | 3.2 | 3.2 | 2.0 | 5 | 6 | |
32 | 5.0 | |||||||
33 | 10.0 | |||||||
34 | 15.0 | |||||||
35 | 30.0 | |||||||
36 | 판형 | 8.7 | 0.8 | 2.0 | 5 | 6 | ||
37 | 5.0 | |||||||
38 | 10.0 | |||||||
39 | 15.0 | |||||||
40 | 30.0 | |||||||
평균입도 및 두께의 단위: ㎛함량 단위: 부피부 |
구분 | 금속 분말 | 하도층의 두께 | 상도층의두께 | |||||
종류 | 형태 | 장축의 평균입도 | 단축의평균입도 | 함량 | ||||
비교예 | 1 | Al | 판형 | 6.3 | 0.4 | 0.5 | 1 | 6 |
2 | 5 | 6 | ||||||
3 | 8 | 6 | ||||||
4 | 12 | 6 | ||||||
5 | 5 | 12 | ||||||
6 | 5 | 25 | ||||||
7 | 2.0 | 12 | 6 | |||||
8 | 5 | 25 | ||||||
9 | 8.0 | 12 | 6 | |||||
10 | 5 | 25 | ||||||
11 | 15.0 | 12 | 6 | |||||
12 | 5 | 25 | ||||||
13 | 30.0 | 12 | 6 | |||||
14 | 5 | 25 | ||||||
15 | 구형 | 5.7 | 5.7 | 10.0 | 2 | 25 | ||
16 | 4 | 25 | ||||||
17 | 8 | 25 | ||||||
18 | Zn | 구형 | 1.2 | 1.2 | 0.5 | 5 | 6 | |
19 | 2.0 | |||||||
20 | 5.0 | |||||||
21 | 10.0 | |||||||
22 | 15.0 | |||||||
23 | 30.0 | |||||||
24 | 4.6 | 4.6 | 0.5 | 5 | 6 | |||
25 | Ni | 구형 | 3.2 | 3.2 | 0.5 | 5 | 6 | |
26 | 판형 | 8.7 | 0.8 | 0.5 | 5 | 6 | ||
평균입도 및 두께의 단위: ㎛함량 단위: 부피부 |
구분 | 용접성 | 내식성 | 내스크래치성 | |
실시예 | 1 | ○ | ◎ | ◎ |
2 | ○ | ◎ | ◎ | |
3 | ○ | ◎ | ◎ | |
4 | ○ | ◎ | ◎ | |
5 | ○ | ◎ | ◎ | |
6 | ○ | ◎ | ◎ | |
7 | ○ | ◎ | ◎ | |
8 | ○ | ◎ | ◎ | |
9 | ○ | ◎ | ◎ | |
10 | ○ | ◎ | ◎ | |
11 | ○ | ◎ | ◎ | |
12 | ○ | ◎ | ◎ | |
13 | ○ | ○ | ◎ | |
14 | ○ | ○ | ◎ | |
15 | ○ | ○ | ◎ | |
16 | ○ | ○ | ◎ | |
17 | ○ | ◎ | ○ | |
18 | ○ | ◎ | ◎ | |
19 | ○ | ◎ | ◎ | |
20 | ○ | ◎ | ○ | |
21 | ○ | ◎ | ◎ | |
22 | ○ | ◎ | ◎ | |
23 | ○ | ◎ | ○ | |
24 | ○ | ◎ | ◎ | |
25 | ○ | ◎ | ◎ | |
26 | ○ | ◎ | ◎ | |
27 | ○ | ◎ | ◎ | |
28 | ○ | ◎ | ◎ | |
29 | ○ | ○ | ◎ | |
30 | ○ | ◎ | ◎ | |
31 | ○ | ◎ | ◎ | |
32 | ○ | ◎ | ◎ | |
33 | ○ | ◎ | ◎ | |
34 | ○ | ○ | ◎ | |
35 | ○ | ◎ | ◎ | |
36 | ○ | ◎ | ◎ | |
37 | ○ | ◎ | ◎ | |
38 | ○ | ◎ | ◎ | |
39 | ○ | ◎ | ◎ | |
40 | ○ | ○ | ◎ | |
◎: 매우 우수 / ○: 우수 |
구분 | 용접성 | 내식성 | 내스크래치성 | |
비교예 | 1 | × | ◎ | ◎ |
2 | × | ◎ | ◎ | |
3 | × | ◎ | ◎ | |
4 | × | ◎ | ◎ | |
5 | × | ◎ | ◎ | |
6 | × | ◎ | ◎ | |
7 | △ | ◎ | ◎ | |
8 | × | ◎ | ◎ | |
9 | × | ◎ | ◎ | |
10 | × | ◎ | ◎ | |
11 | × | ◎ | ◎ | |
12 | × | ◎ | ◎ | |
13 | × | ○ | ◎ | |
14 | × | ○ | ◎ | |
15 | × | ◎ | ◎ | |
16 | × | ◎ | ◎ | |
17 | × | ◎ | ◎ | |
18 | × | ◎ | ◎ | |
19 | × | ◎ | ◎ | |
20 | × | ◎ | ◎ | |
21 | × | ◎ | ◎ | |
22 | × | ◎ | ◎ | |
23 | × | ○ | ◎ | |
24 | × | ◎ | ◎ | |
25 | × | ◎ | ◎ | |
26 | × | ◎ | ◎ | |
◎: 매우 우수 / ○: 우수 / △: 보통 / ×: 불량 |
Claims (22)
- 주제 수지; 및 금속 분말을 포함하고, 하기 일반식 1의 조건을 만족하는 UV 코팅층의 하도용 수지 조성물:[일반식 1]Tb/3 ≤ Dl상기 일반식 1에서, Dl은 상기 금속 분말의 장축의 평균 입도를 나타내고, Tb는 상기 UV 코팅층의 하도용 수지 조성물에 의해 형성된 하도의 두께를 나타낸다.
- 제 1 항에 있어서,Dl이 3Tb 이하인 UV 코팅층의 하도용 수지 조성물.
- 제 1 항에 있어서,주제 수지는 폴리 우레탄 수지, 에폭시 수지, 페녹시 수지, 에스테르 수지, 아크릴 수지 및 올레핀 수지로 이루어진 군으로부터 선택되는 하나 이상인 UV 코팅층의 하도용 수지 조성물.
- 제 1 항에 있어서,주제 수지는 UV 코팅층의 하도용 수지 조성물의 고형분 100 부피부에 대하여 20 부피부 내지 90 부피부로 포함되는 UV 코팅층의 하도용 수지 조성물.
- 제 1 항에 있어서,금속 분말은 UV 코팅층의 하도용 수지 조성물의 고형분 100 부피부에 대하여 1 부피부 내지 30 부피부로 포함되는 UV 코팅층의 하도용 수지 조성물.
- 제 1 항에 있어서,금속 분말은 Al, Ni, Co, Mn, Fe, Ti, Cu, Zn, Sn 및 Fe2P로 이루어진 군으로부터 선택되는 하나 이상인 UV 코팅층의 하도용 수지 조성물.
- 제 1 항에 있어서,금속 분말은 구형 또는 판상형을 가지는 UV 코팅층의 하도용 수지 조성물.
- 제 1 항에 있어서,UV 코팅층의 하도용 수지 조성물의 고형분 100 부피부에 대하여 1 부피부 내지 30 부피부의 첨가제를 추가로 포함하는 UV 코팅층의 하도용 수지 조성물.
- 제 8 항에 있어서,첨가제는 경화제, 저장 안정제, 실란 커플링제, 필러 및 이들의 혼합물로 이루어진 군으로부터 선택되는 하나 이상인 UV 코팅층의 하도 용 수지 조성물.
- 소재 강판;주제 수지 및 금속 분말을 포함하고, 하기 일반식 1의 조건을 만족하는 하도층 형성용 수지 조성물의 경화물을 포함하며, 상기 소재 강판의 일면 또는 양면에 형성되는 하도층; 및상기 하도층 위에 형성되고, 라디칼 화합물을 포함하는 상도층을 포함하는 표면처리 강판:[일반식 1]Tb/3 ≤ Dl상기 일반식 1에서, Dl은 상기 금속 분말의 장축의 평균 입도를 나타내고, Tb는 상기 하도층 형성용 수지 조성물의 경화물에 의해 형성된 하도층의 두께를 나타낸다.
- 제 10 항에 있어서,Dl이 3Tb 이하인 표면처리 강판.
- 제 10 항에 있어서,주제 수지는 폴리 우레탄 수지, 에폭시 수지, 페녹시 수지, 에스테르 수지, 아크릴 수지 및 올레핀 수지로 이루어진 군으로부터 선택되는 하나 이상인 표면처리 강판.
- 제 10 항에 있어서,하도층의 두께가 1 ㎛ 내지 10 ㎛인 표면처리 강판.
- 제 10 항에 있어서,상도층은 올리고머, 광중합성 모노머 및 광개시제를 포함하는 UV 경화형 도료 조성물의 경화물을 포함하는 표면처리 강판.
- 제 14 항에 있어서,UV 경화형 도료 조성물은 UV 경화형 도료 조성물 100 중량부에 대하여, 10 중량부 내지 80 중량부의 올리고머; 10 중량부 내지 80 중량부의 광중합성 모노머; 및 0.1 중량부 내지 30 중량부의 광개시제를 포함하는 표면처리 강판.
- 제 14 항에 있어서,올리고머는 우레탄 아크릴레이트, 에폭시 아크릴레이트 및 폴리에스테르 아크릴레이트로 이루어진 군으로부터 선택되는 하나 이상인 표면처리 강판.
- 제 14 항에 있어서,광중합성 모노머는 단관능 또는 다관능 아크릴레이트계 모노머인 표면처리 강판.
- 제 14 항에 있어서,광개시제는 벤조페논계 화합물; 벤조인계 화합물; 벤조인에테르계 화합물; 벤질케탈계 화합물; 아세토페논계 화합물; 안트라퀴논계 화합물; 및 티옥소잔톤계 화합물로 이루어진 군으로부터 선택되는 하나 이상인 표면처리 강판.
- 제 14 항에 있어서,UV 경화형 도료 조성물은 UV 경화형 도료 조성물 100 중량부에 대하여, 0.1 중량부 내지 15 중량부의 첨가제를 추가로 포함하는 표면처리 강판.
- 제 19 항에 있어서,첨가제는 소포제, 레벨링제, 부착 증진제, 산화 방지제, 광 안정제, 자외선 흡수제, 열중합 금지제, 평활제, 분산제, 대전 방지제, 가소제, 유기 충진제 및 이들의 혼합물로 이루어진 군으로부터 선택되는 하나 이상인 표면처리 강판.
- 제 10 항에 있어서,상도층의 두께가 1 ㎛ 내지 20 ㎛인 표면처리 강판.
- 제 10 항에 있어서,표면처리 강판은 건축 재료로 사용되는 표면처리 강판.
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JP2014538709A JP5764722B2 (ja) | 2011-10-25 | 2012-10-25 | 溶接性、耐傷つき性、及び耐食性に優れた表面処理鋼板 |
US14/353,948 US9534143B2 (en) | 2011-10-25 | 2012-10-25 | Coated steel sheet having superior welding, scratch-resistance, and corrosion-resistance properties |
CN201280052837.XA CN103906860B (zh) | 2011-10-25 | 2012-10-25 | 焊接性、耐划伤性以及耐蚀性优良的表面处理钢板 |
EP12844357.9A EP2772568B1 (en) | 2011-10-25 | 2012-10-25 | Coated steel sheet having superior welding, scratch-resistance, and corrosion-resistance properties |
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KR1020110109407A KR101313441B1 (ko) | 2011-10-25 | 2011-10-25 | 용접성, 내스크래치성 및 내식성이 우수한 표면처리 강판 |
KR10-2011-0109407 | 2011-10-25 |
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US (1) | US9534143B2 (ko) |
EP (1) | EP2772568B1 (ko) |
JP (1) | JP5764722B2 (ko) |
KR (1) | KR101313441B1 (ko) |
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KR101459363B1 (ko) * | 2013-06-17 | 2014-11-12 | 포스코강판 주식회사 | 셀프 레벨링 기능을 갖는 자외선 경화 도장강판의 제조 방법 |
CN105694614B (zh) * | 2016-02-03 | 2018-04-10 | 杭州钱航船舶修造有限公司 | 船舶用铝钢板的焊接方法、涂料制备方法及铝钢板 |
KR102045881B1 (ko) * | 2016-09-28 | 2019-11-19 | 주식회사 포스코 | 강판 표면처리용 용액 조성물 및 이를 이용하여 표면처리된 강판 |
WO2018116881A1 (ja) * | 2016-12-22 | 2018-06-28 | Jfeスチール株式会社 | 接着性絶縁被膜付き電磁鋼板の製造方法および積層電磁鋼板の製造方法 |
KR102209546B1 (ko) | 2018-12-19 | 2021-01-29 | 주식회사 포스코 | 광택도 및 표면특성이 우수한 도금강판 및 그 제조방법 |
CN113163621A (zh) * | 2021-04-08 | 2021-07-23 | 深圳金茂电子有限公司 | 一种led显示屏的生产工艺 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH059407A (ja) * | 1990-12-18 | 1993-01-19 | Ciba Geigy Ag | 溶媒又は分散剤として水を含む感光性組成物 |
KR100396084B1 (ko) * | 1998-12-01 | 2003-08-27 | 주식회사 포스코 | 연료탱크용 표면처리강판 및 그 제조방법 |
JP2006150261A (ja) * | 2004-11-30 | 2006-06-15 | Fukuda Corporation:Kk | マグネシウム合金成型品の塗装方法 |
KR100742904B1 (ko) * | 2002-12-28 | 2007-07-25 | 주식회사 포스코 | 향상된 내식성, 전착도장성 및 용접성을 갖는 프리실드강판용 수지조성물 및 이를 이용한 프리실드강판 제조방법 |
KR20110073099A (ko) * | 2009-12-23 | 2011-06-29 | 주식회사 포스코 | 우수한 용접성, 가공성, 내식성을 갖는 프리코트 강판용 수지 조성물, 이를 이용한 프리코트 강판의 제조방법 및 강판 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6044027B2 (ja) * | 1977-06-14 | 1985-10-01 | 関西ペイント株式会社 | メタリツク仕上げ方法 |
KR910002492B1 (ko) * | 1987-03-13 | 1991-04-23 | 닛뽄 고오깐 가부시끼가이샤 | 고내식성 복층피복 강판 |
US5496641A (en) * | 1991-06-13 | 1996-03-05 | Nippon Sheet Glass Co., Ltd. | Plastic lens |
JP3301430B2 (ja) * | 1991-06-13 | 2002-07-15 | 日本板硝子株式会社 | プラスチックレンズ用プライマー組成物 |
US5260120A (en) * | 1991-12-06 | 1993-11-09 | Morton International, Inc. | Two coat weldable primer for steel |
JPH0819756A (ja) * | 1994-07-06 | 1996-01-23 | Sumitomo Metal Ind Ltd | 耐候性と加工性に優れた塗装金属材料 |
JP3143046B2 (ja) * | 1995-07-31 | 2001-03-07 | 日本鋼管株式会社 | プレス成形性および耐孔あき腐食性に優れた有機複合被覆鋼板 |
TW387926B (en) * | 1998-05-15 | 2000-04-21 | Nippon Dacro Shamrock Co | Surface treatment agent for metals, surface treatment method for metals, and pre-coated steel plate |
EP1328590B1 (de) * | 2000-10-11 | 2011-08-03 | Chemetall GmbH | Verfahren zur vorbehandlung oder/und beschichtung von metallischen oberflächen vor der umformung mit einem lackähnlichen überzug und verwendung der derart beschichteten substrate |
EP1373420B1 (de) * | 2001-03-05 | 2005-11-30 | Georg Gros | Beschichtungsgemisch auf wasserbasis, verfahren zum aufbringen einer korrosionsschutzschicht mit diesem gemisch, derart beschichtete unterlage und deren verwendung |
US6852771B2 (en) * | 2001-08-28 | 2005-02-08 | Basf Corporation | Dual radiation/thermal cured coating composition |
DE10202543A1 (de) * | 2002-01-24 | 2003-08-07 | Basf Coatings Ag | Beschichtungsstoffe und ihre Verwendung zur Herstellung schweißbarer Beschichtungen |
JP4623373B2 (ja) * | 2005-07-29 | 2011-02-02 | Dic株式会社 | 磁気ラベル及び磁気ラベルを用いて製造された磁気記録媒体 |
CA2622959A1 (en) * | 2005-09-15 | 2007-10-18 | Ndsu Research Foundation | Coatings and coating systems for metal substrates |
CN101158810A (zh) | 2007-11-21 | 2008-04-09 | 京东方科技集团股份有限公司 | 感光树脂组合物及其制备方法和彩色滤光片制备方法 |
KR101036829B1 (ko) * | 2008-12-23 | 2011-05-24 | 주식회사 노루홀딩스 | 투명 착색 도장강판용 자외선 경화 수지 조성물 및 이를 이용한 강판 |
KR100970461B1 (ko) * | 2010-02-09 | 2010-07-16 | 엘베스트지에이티 주식회사 | 유무기 하이브리드 방식 코팅제 조성물 및 그 제조방법 |
-
2011
- 2011-10-25 KR KR1020110109407A patent/KR101313441B1/ko active IP Right Grant
-
2012
- 2012-10-25 JP JP2014538709A patent/JP5764722B2/ja not_active Expired - Fee Related
- 2012-10-25 CN CN201280052837.XA patent/CN103906860B/zh not_active Expired - Fee Related
- 2012-10-25 WO PCT/KR2012/008803 patent/WO2013062329A1/ko active Application Filing
- 2012-10-25 EP EP12844357.9A patent/EP2772568B1/en not_active Not-in-force
- 2012-10-25 US US14/353,948 patent/US9534143B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH059407A (ja) * | 1990-12-18 | 1993-01-19 | Ciba Geigy Ag | 溶媒又は分散剤として水を含む感光性組成物 |
KR100396084B1 (ko) * | 1998-12-01 | 2003-08-27 | 주식회사 포스코 | 연료탱크용 표면처리강판 및 그 제조방법 |
KR100742904B1 (ko) * | 2002-12-28 | 2007-07-25 | 주식회사 포스코 | 향상된 내식성, 전착도장성 및 용접성을 갖는 프리실드강판용 수지조성물 및 이를 이용한 프리실드강판 제조방법 |
JP2006150261A (ja) * | 2004-11-30 | 2006-06-15 | Fukuda Corporation:Kk | マグネシウム合金成型品の塗装方法 |
KR20110073099A (ko) * | 2009-12-23 | 2011-06-29 | 주식회사 포스코 | 우수한 용접성, 가공성, 내식성을 갖는 프리코트 강판용 수지 조성물, 이를 이용한 프리코트 강판의 제조방법 및 강판 |
Also Published As
Publication number | Publication date |
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CN103906860B (zh) | 2015-11-25 |
CN103906860A (zh) | 2014-07-02 |
EP2772568B1 (en) | 2016-09-07 |
EP2772568A1 (en) | 2014-09-03 |
JP5764722B2 (ja) | 2015-08-19 |
US9534143B2 (en) | 2017-01-03 |
KR101313441B1 (ko) | 2013-10-01 |
KR20130045000A (ko) | 2013-05-03 |
JP2015503022A (ja) | 2015-01-29 |
US20140302311A1 (en) | 2014-10-09 |
EP2772568A4 (en) | 2015-06-10 |
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