WO2023171173A1 - 有機樹脂被覆鋼板 - Google Patents
有機樹脂被覆鋼板 Download PDFInfo
- Publication number
- WO2023171173A1 WO2023171173A1 PCT/JP2023/002711 JP2023002711W WO2023171173A1 WO 2023171173 A1 WO2023171173 A1 WO 2023171173A1 JP 2023002711 W JP2023002711 W JP 2023002711W WO 2023171173 A1 WO2023171173 A1 WO 2023171173A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- organic resin
- film
- steel sheet
- less
- thin film
- Prior art date
Links
- 239000011347 resin Substances 0.000 title claims abstract description 121
- 229920005989 resin Polymers 0.000 title claims abstract description 121
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 116
- 239000010959 steel Substances 0.000 title claims abstract description 116
- 239000010408 film Substances 0.000 claims abstract description 142
- 239000010409 thin film Substances 0.000 claims abstract description 88
- 238000000576 coating method Methods 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 32
- 239000011248 coating agent Substances 0.000 claims abstract description 30
- 238000001035 drying Methods 0.000 claims abstract description 29
- 239000002270 dispersing agent Substances 0.000 claims description 14
- 239000002245 particle Substances 0.000 claims description 11
- 239000004925 Acrylic resin Substances 0.000 claims description 5
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 239000004215 Carbon black (E152) Substances 0.000 claims description 5
- 229920006318 anionic polymer Polymers 0.000 claims description 5
- 229930195733 hydrocarbon Natural products 0.000 claims description 5
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 3
- 125000001183 hydrocarbyl group Chemical group 0.000 claims 1
- 238000005238 degreasing Methods 0.000 abstract description 13
- 238000000465 moulding Methods 0.000 abstract description 10
- 230000008569 process Effects 0.000 abstract description 3
- 238000005336 cracking Methods 0.000 abstract description 2
- 239000001993 wax Substances 0.000 description 35
- 239000003973 paint Substances 0.000 description 27
- 238000011156 evaluation Methods 0.000 description 23
- 239000000523 sample Substances 0.000 description 15
- 238000012360 testing method Methods 0.000 description 12
- 239000011324 bead Substances 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 7
- 239000000314 lubricant Substances 0.000 description 7
- 230000001050 lubricating effect Effects 0.000 description 7
- 238000002844 melting Methods 0.000 description 6
- 230000008018 melting Effects 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 239000010960 cold rolled steel Substances 0.000 description 4
- 239000013527 degreasing agent Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 4
- 150000002430 hydrocarbons Chemical group 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004381 surface treatment Methods 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000007591 painting process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000005237 degreasing agent Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 229920000142 Sodium polycarboxylate Polymers 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 239000003125 aqueous solvent Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000007561 laser diffraction method Methods 0.000 description 1
- PAZHGORSDKKUPI-UHFFFAOYSA-N lithium metasilicate Chemical compound [Li+].[Li+].[O-][Si]([O-])=O PAZHGORSDKKUPI-UHFFFAOYSA-N 0.000 description 1
- 229910052912 lithium silicate Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000790 scattering method Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
- B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/18—Layered products comprising a layer of metal comprising iron or steel
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L91/00—Compositions of oils, fats or waxes; Compositions of derivatives thereof
- C08L91/06—Waxes
-
- 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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- 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
- C09D161/00—Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
- C09D161/04—Condensation polymers of aldehydes or ketones with phenols only
-
- 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
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/66—Additives characterised by particle size
- C09D7/69—Particle size larger than 1000 nm
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D2202/00—Metallic substrate
- B05D2202/10—Metallic substrate based on Fe
Definitions
- the present invention relates to a steel plate with excellent sliding properties during press forming.
- the present invention relates to a steel sheet having an organic resin film that has excellent formability even during particularly severe drawing processing, can be removed by alkali, and has excellent weldability.
- Cold-rolled steel sheets and hot-rolled steel sheets are widely used in a wide range of fields, mainly for automobile body applications, and in such applications, they are press-formed before use.
- a method for improving the press formability of cold-rolled steel sheets and hot-rolled steel sheets includes surface treatment of molds. Although this method is widely used, it is not possible to adjust the mold after surface treatment. There are also problems such as high cost. Therefore, there is a strong demand for improvement in the press formability of the steel sheet itself.
- Patent Document 1 describes a technique for forming a lubricating film on a galvanized steel sheet by making an acrylic resin film contain synthetic resin powder.
- Patent Document 2 describes a technique in which a lubricating film is formed on a steel plate by using lithium silicate as a film component and adding wax and metal soap as lubricants to this film.
- Patent Document 3 describes a lubricated surface-treated metal product that has excellent press formability and is coated with a film of polyurethane resin containing a lubricant to a thickness of 0.5 to 5 ⁇ m.
- Patent Document 4 describes a technique for forming an alkali-soluble organic film on a steel plate by adding a lubricant to an epoxy resin.
- Patent Documents 1 to 4 although lubricity is achieved due to the lubricating effect of the lubricant contained, press moldability is not necessarily sufficient for complex molding.
- An object of the present invention is to provide an organic resin-coated steel sheet that has excellent press formability in areas where mold galling is expected to occur.
- the present inventors focused on the relationship between the uniformity of the film thickness of the film formed on the steel sheet and the sliding characteristics during press forming (press formability), and after conducting extensive research, the following We obtained the following knowledge.
- the organic resin film coverage can be evaluated by measuring the area ratio of the thin film portion (area ratio of the thin film portion) of the convex portion of the steel plate.
- the thin film part it is effective to use a Schottky field emission SEM equipped with an energy dispersive X-ray spectrometer and to determine that the area of the characteristic X-ray image has a specific intensity or less is the thin film part. I found out that.
- the thin film portion where the local adhesion amount calculated by the above method is 0.14 g/ m2 or less is 25.0% or less of the entire observation surface
- press formability sliding property
- the present invention was made based on the above findings, and the gist thereof is as follows.
- a characteristic X-ray image of the CK ray of the surface of the organic resin-coated steel plate is taken using an X-ray spectrometer mounted on the SEM.
- the area below the threshold intensity corresponding to the local adhesion amount of 0.14 g/ m2 is defined as the thin film part, and the area above the threshold intensity is defined as the non-thin film part.
- the area ratio of the thin film portion be the area/(area of the thin film portion+area of the non-thin film portion) ⁇ 100%.
- the steel plate refers to a hot-rolled steel plate and a cold-rolled steel plate.
- an organic resin-coated steel sheet with excellent press formability can be obtained.
- the coefficient of friction between the organic resin-coated steel sheet and the mold etc. is significantly reduced. For this reason, it has stable and excellent press formability for a relatively low-strength steel plate that is subjected to complicated forming.
- the sliding resistance is small in areas at risk of cracking during press forming, and excellent press forming is achieved in areas where the contact pressure is high and mold galling is expected to occur.
- a steel plate with high properties is obtained. Furthermore, it does not interfere with post-processes such as welding, degreasing, chemical conversion treatment, and painting processes.
- the organic resin-coated steel sheet of the present invention has film removability that can be applied in an alkaline degreasing process in the painting process when used as an automotive steel sheet. Furthermore, it was confirmed that the weldability was excellent.
- high strength assumes that the tensile strength (TS) is 440 MPa or more, and “relatively low strength” assumes that TS is less than 440 MPa.
- the organic resin-coated steel sheet of the present invention is a steel sheet in which the surface of the steel sheet is coated with a resin, or an organic film containing wax in the resin as appropriate.
- a paint in which a resin is dissolved or dispersed in a solvent, or a paint in which wax is added to these paints, is applied to the surface of a steel plate and dried.
- the average adhesion amount per side after drying should be 0.2 g/m 2 or more. It is preferable to set it as 0.5 g/m2 or more . More preferably, it is 1.0 g/m 2 or more. On the other hand, if the average deposit amount exceeds 2.0 g/m 2 , weldability and film removability may deteriorate. Note that if the average amount of the organic resin film adhered after drying is more than 2.0 g/m 2 , it is difficult to form a thin film portion where the amount of adhesion is 0.14 g/m 2 or less locally.
- the average deposit amount is .0g/ m2 or less.
- the increase in the area ratio of the thin film portion where the coating weight locally becomes 0.14 g/m 2 or less becomes particularly obvious when the average coating weight is 1.4 g/m 2 or less, resulting in a significant deterioration of the sliding properties. invite By using the method of making the film thickness uniform according to the present application, such deterioration in sliding properties can be significantly improved. It is particularly suitable to apply to steel sheets coated with an organic resin of 2 or less. It is more preferable to apply it to 1.2 g/m 2 or less.
- the area ratio of the thin film portion where the amount of organic resin film deposited is 0.14 g/m 2 or less needs to be 25.0% or less.
- the area ratio of the thin film portion is preferably 20.0% or less. More preferably, it is 15.0% or less.
- the lower the area ratio of the thin film portion the better the organic resin film coverage, so the lower limit is not particularly limited and may be 0%.
- the average area of the thin film portion be 10.0 ⁇ m 2 or less.
- the average area of the thin film portion be 10.0 ⁇ m 2 or less. It is more preferably 9.5 ⁇ m 2 or less, and even more preferably 9.0 ⁇ m 2 or less.
- the lower the average area of the thin film portion the better the organic resin film coverage, so the lower limit is not particularly limited and may be 0 ⁇ m 2 .
- the average thickness of the organic resin film is not particularly limited, it is preferably 0.2 ⁇ m or more. Moreover, it is preferable that it is 2.0 micrometer or less.
- a method for controlling the area ratio of the thin film portion of the organic resin film to 25.0% or less and the average area of the thin film portion to 10.0 ⁇ m 2 or less includes a method of controlling the viscosity of the paint within a certain range. If the viscosity is too low, the paint tends to accumulate in the recesses, and the liquid film thickness on the convex parts becomes thinner, resulting in the thin film area ratio exceeding 25.0%, or the liquid film thickness on the convex parts becomes uneven. In this case, the average area of the thin film portion exceeds 10.0 ⁇ m 2 . Therefore, it is necessary to increase the viscosity of the paint to a certain value or higher.
- the viscosity of the paint is 1.5 mPa ⁇ s or more.
- the viscosity of the paint is preferably 8.0 mPa ⁇ s or less.
- the drying time of the film becomes longer, the paint will wet and spread before it dries, making it easier for the paint to accumulate in the recesses, and the thickness of the liquid film on the convex parts will become thinner, resulting in an area ratio of the thin film part of 25.0%. I end up exceeding it. If the drying time of the film becomes longer, the average area of the thin film portion may exceed 10.0 ⁇ m 2 . Therefore, by setting the drying temperature as high as possible and shortening the drying time within a range that satisfies the target properties of the film, it is possible to reduce the area ratio of the thin film portion of the organic resin film to 25.0% or less.
- the drying time is preferably 90 seconds or less.
- the drying time is more preferably 60 seconds or less.
- the drying time is preferably 2 seconds or more, more preferably 5 seconds or more.
- the coverage of the above-mentioned organic resin film can be evaluated by measuring the area ratio of the thin film portion of the convex portion using SEM. Furthermore, by measuring the average area of the thin film portion, it is possible to evaluate the coverage of the organic resin film, which is more superior in sliding properties.
- the area ratio of the thin film portion and the average area of the thin film portion can be measured by evaluating the thin film portion using characteristic X-rays generated by irradiating the sample with an electron beam. Since X-rays have a higher penetrating ability through materials than electrons, the accelerating voltage is set high enough so that the incident electrons can reach the underlying steel even in thick film areas. What is necessary is to measure the characteristic X-ray image of the CK line. As shown in Figure 1, regions with high CK ray intensity correspond to thick film parts, and regions with low intensity correspond to thin film parts. It can be calculated as the area ratio of Specifically, the area ratio of the thin film portion is preferably calculated by the following method.
- a characteristic X-ray image of the CK ray of the surface of the organic resin-coated steel plate is taken using an X-ray spectrometer mounted on the SEM.
- the area below the threshold intensity corresponding to the local adhesion amount of 0.14 g/ m2 is defined as the thin film part, and the area above the threshold intensity is defined as the non-thin film part.
- the area ratio of the thin film portion be the area/(area of the thin film portion+area of the non-thin film portion) ⁇ 100%.
- the average area of the thin film portions can be determined by measuring the area of each thin film portion and calculating the average value thereof when the surface area of the steel plate is 900 ⁇ m 2 or more.
- the individual thin film portions mentioned above refer to each thin film portion, with a thin film portion surrounded by non-thin film portions being one thin film portion.
- the magnification of the characteristic X-ray image used for this evaluation is preferably about 100x to 300x, which allows the uneven shape due to rolling to be observed and is less affected by distortion at the edge of the screen due to electron beam scanning.
- the adhesion amount corresponds to 0.14 g/m 2 from the relationship between the film adhesion amount separately measured by gravimetric method etc. and the average intensity of the characteristic X-ray image. Use strength.
- the area below the threshold intensity is defined as the thin film part
- the area above the threshold intensity is defined as the non-thin film part
- the area of the thin film part/(area of the thin film part + area of the non-thin film part) x 100% is defined as the area ratio of the thin film part.
- the area ratio of the thin film portion calculated as described above is 25.0% or less, it is determined that the organic resin film coverage is good.
- the organic resin component will be explained below.
- the organic resin used in the present invention is not particularly limited, but in addition to exhibiting lubricating performance by preventing direct contact between the mold and the steel plate during press molding, when hydrocarbon wax is added to the film, Acrylic resins, urethane resins, and phenols are used because they have a high affinity for organic resins and waxes, and a uniform mixture of organic resins and waxes is formed during sliding, further improving lubrication performance. It is preferable that at least one type of resin is included.
- the weight ratio of the organic resin to the total weight of the film is preferably 50% or more. It is more preferable that the weight ratio of the organic resin to the total weight of the film is 70% or more.
- the upper limit is not particularly limited, it is preferably 100% or less.
- the proportion of the organic resin described above is the proportion of the total amount of resins contained among the acrylic resin, urethane resin, and phenol resin to the total weight of the film.
- an organic resin component that can be dissolved or dispersed in an aqueous solvent.
- the organic resin film helps protect the steel plate surface during sliding and reduces sliding resistance. It is thought that then.
- the organic resin film may contain wax. Containing wax improves the sliding properties of the film. If the melting point is less than 100°C, the wax will melt due to the frictional heat caused by sliding during press molding, and a sufficient lubricating effect will not be obtained. Therefore, it is preferable that the wax has a melting point of 100°C or higher. It is more preferable that the melting point of the wax is 120°C or higher. On the other hand, the melting point of the wax is preferably 150°C or lower. Hydrocarbon waxes are preferred from the viewpoint of cost and performance. The average particle size of the wax is preferably 0.01 ⁇ m or more and 4 ⁇ m or less.
- the average particle size of the wax is preferably 0.01 ⁇ m or more.
- the average particle size of the wax is more preferably 0.2 ⁇ m or more.
- the average particle size of the wax is preferably 4 ⁇ m or less.
- the average particle size of the wax is more preferably 2 ⁇ m or less, and even more preferably 1 ⁇ m or less.
- the organic resin film contains wax in an amount of 50% by mass or less based on the total weight of the film, in order to further improve the lubrication performance.
- the content is preferably 40% by mass or less, more preferably 25% by mass or less.
- the lower limit is that if the content is too low, the wax will not exhibit its lubricating performance, so the mass of wax relative to the total coating weight is preferably 5% by mass or more, more preferably 10% by mass or more.
- the melting point of wax is the melting temperature measured based on JIS K7121:1987 "Method for measuring transition temperature of plastics”. Further, the average particle shape of the wax is the median diameter of the volume average diameter, and was measured by a laser diffraction/scattering method.
- components other than the organic resin and wax may include a surface conditioner for adjusting surface tension, an antifoaming agent, and a dispersant.
- a rust preventive agent that improves rust prevention properties can also be added.
- any dispersant can be used without particular limitation, but it is preferable to use an anionic polymer type dispersant.
- Anionic polymer type dispersants are particularly effective in improving the dispersibility of particles of several ⁇ m or less, and can also be adsorbed onto hydrocarbon waxes. Therefore, the dispersibility of wax in the paint is improved, and the uniformity of wax distribution in the resulting film is improved. As a result, the sliding properties are further improved.
- the anionic polymer type dispersant it is preferable to use at least one selected from the group consisting of sodium polycarboxylate, sodium polyacrylate, carboxylic acid copolymer, and sulfonic acid copolymer.
- the proportion of the dispersant in the film is not particularly limited, it is preferably 0.2% by mass or more.
- the proportion of the dispersant in the film is 0.2% by mass or more, the dispersibility of wax in the paint is improved, and the uniformity of wax distribution in the resulting film is improved. As a result, the sliding properties are further improved.
- the content is more preferably 0.5% or more, and even more preferably 1.0% by mass or more.
- the proportion of the dispersant in the film exceeds 5.0% by mass, the adhesiveness may deteriorate. Therefore, the proportion of the dispersant in the film is preferably 5.0% by mass or less.
- the content is more preferably 4.0% by mass or less, and even more preferably 3.0% by mass or less.
- the ratio of the dispersant in the film is the ratio of the mass of the dispersant in the film to the total weight of the film.
- the effect of the present application is particularly excellent when the surface roughness Ra of the base steel plate is 0.4 ⁇ m to 2.5 ⁇ m and the weight ratio of the organic resin to the total weight of the coating is 50 to 100% by mass. It is preferable that the surface roughness Ra of the base steel plate and the weight ratio of the organic resin be within the above ranges.
- the weight ratio of the organic resin to the total weight of the film is preferably 50% by mass or more, more preferably 70% by mass or more.
- the weight ratio of the organic resin to the total weight of the film is preferably 100% by mass or less, more preferably 90% by mass or less.
- the weight ratio of the organic resin to the total weight of the film is the weight ratio after drying.
- the method for manufacturing an organic resin-coated steel sheet of the present invention is a method for manufacturing a steel sheet having an organic resin film containing a resin or a resin containing wax on the surface of the steel sheet.
- a paint in which a resin is dissolved or dispersed in a solvent, or a paint in which wax is added to these paints, is applied to the surface of a steel plate and dried.
- the coating method is not particularly limited, but examples include methods using a roll coater or bar coater, and coating methods using spraying, dipping, and brushing.
- the steel plate after coating can be dried by a general method. For example, drying using hot air, drying using an IH heater, and methods using infrared heating may be used.
- the maximum temperature of the steel plate during drying is preferably 60°C or more and 150°C or less. If it is below 60°C, it takes a long time to dry, and the amount of organic resin film deposited varies, and the area ratio of the thin film portion where the amount of film deposited locally becomes 0.14 g/m 2 or less increases. Furthermore, the rust prevention properties may be inferior. Therefore, it is preferable that the maximum temperature reached during drying is 60° C. or higher. More preferably, the temperature is 80°C or higher. On the other hand, if the temperature exceeds 150°C, the film removability may deteriorate. Therefore, it is preferable that the maximum temperature reached during drying is 150°C or less. More preferably it is 130°C or lower.
- the drying time is preferably 2 seconds or more.
- the drying time is preferably 90 seconds or less.
- Methods for controlling the amount of organic resin deposited after drying include methods of pressing a rubber roll against the coating after coating or controlling the pressing pressure and rotation speed of a roll coater to control the coating amount of the coating.
- the total solid concentration in the paint also affects the amount of organic resin adhered after drying, it is preferable to appropriately adjust the concentration of the paint.
- the area ratio of the thin film part of the organic resin film is 25% or less and the average area of the thin film part is 10.0 ⁇ m 2 or less
- take multiple specimens for example, 3 or more
- a size that can be introduced into the SEM device for example, 8 mm square or more and 100 mm square or less
- the observation and analysis described above from 5 or more fields of view per specimen.
- sufficient evaluation accuracy can be obtained if a characteristic X-ray image is acquired and the area ratio of the thin film portion and the average area of the thin film portion are evaluated, sufficient evaluation accuracy can be obtained.
- the threshold value of characteristic X-rays when calculating the area ratio of the thin film part is based on the relationship between the film adhesion amount separately measured by gravimetric method and the average intensity of the characteristic
- the area ratio of the thin film portion that is equal to or less than this threshold value is 25% or less, it can be determined that the steel plate has excellent sliding properties.
- the average area of the thin film portion is 10.0 ⁇ m 2 or less, it can be determined that the steel plate has excellent sliding properties.
- the calibration curve for determining the characteristic X-ray intensity corresponding to the amount of film adhesion is based on the fact that the NET intensity of characteristic X-rays is almost directly proportional to the amount of film adhesion. Assuming that the film adhesion amount measured by the gravimetric method is 0, that is, the intercept is the origin, use a straight line connecting the origin, the film adhesion amount measured by the gravimetric method, and the point obtained by the average NET intensity of the characteristic X-ray.
- the NET intensity means the intensity obtained by subtracting the background intensity from the characteristic X-ray intensity.
- the coating weight is measured by gravimetric method by immersing an organic resin-coated steel plate in an alkaline solution and dissolving only the organic resin portion, and determining the change in the weight of the steel plate before and after dissolution.
- the average intensity of the characteristic X-rays is the average value of all the data obtained by measuring the area ratio of the thin film portion.
- a cold-rolled steel plate (TS: 270 MPa) with a thickness of 0.8 mm was cut into a size of 350 mm x 230 mm and used as a base material for an organic resin film.
- the cut steel plate was immersed in a solvent of 50 vol% toluene and 50 vol% ethanol, subjected to ultrasonic cleaning for 5 minutes, dried with a blower, and then degreased with Fine Cleaner E6403 (manufactured by Nippon Parkerizing Co., Ltd.), an alkaline degreaser. did.
- the test pieces were immersed in a degreasing solution with a degreasing agent concentration of 20 g/L and a temperature of 40° C. for 2 minutes, washed with tap water, and then dried with a blower.
- the paint shown in Table 1 was applied to the surface of the steel sheet prepared in this manner using a bar coater, and was baked and dried using induction heating (IH) to produce the lubricating organic coated steel sheet shown in Table 2.
- IH induction heating
- the temperature at which the film was baked for each sample is listed in Table 2.
- Baking temperature refers to drying temperature. The following evaluations were performed on these samples, and the evaluation results are listed in Table 2.
- the arithmetic mean roughness Ra of the steel plate used was 0.8 ⁇ m.
- the arithmetic mean roughness Ra ( ⁇ m) of a steel plate can be measured according to JIS B 0633:2001 (ISO 4288:1996).
- the cutoff value and reference length were 0.8 mm, and the evaluation length was 4 mm.
- Organic film coverage was measured as follows. Five pieces of 10 mm square size were cut from each of the above organic resin-coated steel sheets and used as test materials. For the measurement, a Schottky field emission type SEM ( ⁇ igma manufactured by Carl Zeiss) equipped with an energy dispersive X-ray spectrometer (XFlash5
- the characteristic X-ray image was a CK ray image taken at an acceleration voltage of 15 kV. From the taken characteristic X-ray image, the area below the CK ray intensity corresponding to the adhesion amount of 0.14 g/ m2 was defined as the thin film part, the area ratio of the thin film part and the average area of the thin film part were determined, and the area of 15 fields of view was determined. The respective average values were used for evaluation.
- the organic resin film coverage is particularly good ( ⁇ ), the area ratio of the thin film part is 25% or less, and the average area of the thin film part is more than 10.0 ⁇ m 2 , the organic resin film coverage is good ( ⁇ ), the thin film part When the area ratio exceeded 25%, the organic resin film coverage was evaluated as poor (x).
- FIG. 2 is a schematic front view showing the friction coefficient measuring device.
- a sample 1 for friction coefficient measurement taken from a test material is fixed to a sample stand 2, and the sample stand 2 is fixed to the upper surface of a horizontally movable slide table 3.
- a vertically movable slide table support 5 having rollers 4 in contact with the lower surface of the slide table 3 is provided, and by pushing this up, the pressing load N applied to the sample 1 for friction coefficient measurement by the beads 6 is reduced.
- a first load cell 7 for measuring is attached to the slide table support 5.
- a second load cell 8 is attached to one end of the slide table 3 for measuring the sliding resistance force F for horizontally moving the slide table 3 while the pressing force is applied.
- the test was conducted by applying Pleton R352L, a press cleaning oil manufactured by Sugimura Chemical Industry Co., Ltd., to the surface of Sample 1 as a lubricating oil.
- FIG. 3 is a schematic perspective view showing the shape and dimensions of the beads used.
- the lower surface of the bead 6 slides while being pressed against the surface of the sample 1.
- the shape of the bead 6 shown in Fig. 3 is 10 mm wide, 59 mm long in the sliding direction of the sample, the lower part of both ends in the sliding direction is a curved surface with a curvature of 4.5 mm, and the lower surface of the bead against which the sample is pressed has a width of 10 mm and a sliding direction. It has a plane with a direction length of 50 mm.
- the friction coefficient measurement test was conducted using the bead shown in FIG. 3 with a pressing load N of 400 kgf and a sample pull-out speed (horizontal movement speed of the slide table 3) of 20 cm/min.
- a friction coefficient of 0.080 or less was considered to be particularly good sliding characteristics, and a friction coefficient of 0.130 or less was evaluated as ⁇ , and a friction coefficient of 0.130 or less was evaluated as poor, and was evaluated as ⁇ .
- each test piece was first degreased using an alkaline degreaser Fine Cleaner E6403 (manufactured by Nippon Parkerizing Co., Ltd.). In this treatment, the test piece was immersed in a degreasing solution with a degreasing agent concentration of 20 g/L and a temperature of 40° C. for a predetermined period of time, washed with tap water, and then dried with a blower.
- the surface carbon strength of the treated test piece was measured using a fluorescent X-ray analyzer, and the measured value was compared with the previously measured surface carbon strength before degreasing and the surface carbon strength of the untreated steel sheet.
- the film peeling rate was calculated using the following formula.
- film removability of the organic resin-coated steel sheet was evaluated based on the criteria shown below based on the immersion time in an alkaline degreasing solution at which the film peeling rate was 98% or more.
- Film peeling rate (%) [(carbon strength before degreasing - carbon strength after degreasing) / (carbon strength before degreasing - carbon strength of untreated steel sheet)] x 100
- ⁇ Evaluation criteria> ⁇ Good: Within 60 seconds ⁇ Applicable range: Over 60 seconds and within 120 seconds ⁇ Not applicable: Over 120 seconds
- the organic resin-coated steel sheet of the present invention has excellent press formability and weldability, and also has film removability, so it can be applied in a wide range of fields, mainly in automobile body applications.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Nanotechnology (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Laminated Bodies (AREA)
Abstract
Description
従って、鋼板のプレス成形性の向上が必要である。
ここで、薄膜部の判定は、エネルギー分散型X線分光装置が搭載されたショットキー電界放射型SEMを用い、特性X線像の特定強度以下の領域を薄膜部と判定することが有効であることを知見した。
更に、薄膜部が観察面の全体に対して25.0%以下とするための有機樹脂皮膜の成分、組成、性状について検討を行い、好適な条件を見出した。
[1] 少なくとも片面に、有機樹脂皮膜を、乾燥後の片面あたりの平均付着量が0.2g/m2以上2.0g/m2以下となるように被覆した鋼板であり、
前記有機樹脂皮膜の付着量が0.14g/m2以下となる薄膜部が面積率で25.0%以下である有機樹脂被覆鋼板。
[2] 前記薄膜部の平均面積が10.0μm2以下である、[1]に記載の有機樹脂被覆鋼板。
[3] 薄膜部の面積率を下記(1)と(2)の方法で算出する[1]または[2]に記載の有機樹脂被覆鋼板。
(1)加速電圧5kV以上20kV以下で、SEMに搭載されたX線分光装置により、有機樹脂被覆鋼板表面のC-K線の特性X線像を撮影する。
(2)撮影したC-K線の特性X線像から局所付着量0.14g/m2に相当する閾値強度以下の領域を薄膜部とし、閾値強度超の領域を非薄膜部として、薄膜部の面積/(薄膜部の面積+非薄膜部の面積)×100%を薄膜部の面積率とする。
[4] 有機樹脂皮膜が、アクリル樹脂、ウレタン樹脂、フェノール樹脂のいずれか1種類以上を含む皮膜である[1]~[3]のいずれかに記載の有機樹脂被覆鋼板。
[5] 有機樹脂皮膜は、全皮膜重量に対して50質量%以下のワックスを含有する[1]~[4]のいずれかに記載の有機樹脂被覆鋼板。
[6] 前記ワックスが炭化水素系ワックスである[5]に記載の有機樹脂被覆鋼板。
[7] ワックスの平均粒径が0.01μm以上4μm以下である[5]または[6]に記載の有機樹脂被覆鋼板。
[8] 前記有機樹脂皮膜は、全皮膜重量に対して5.0質量%以下のアニオン系高分子型分散剤を含有する[5]~[7]のいずれかに記載の有機樹脂被覆鋼板。
図1に示すように、C-K線の強度が高い領域は厚膜部に、強度が低い領域は薄膜部に対応するため、特性X線像からある閾値以下の領域の割合を、薄膜部の面積率として算出することができる。具体的に前記薄膜部の面積率は下記方法で算出することが好ましい。
(1)加速電圧5kV以上20kV以下で、SEMに搭載されたX線分光装置により、有機樹脂被覆鋼板表面のC-K線の特性X線像を撮影する。
(2)撮影したC-K線の特性X線像から局所付着量0.14g/m2に相当する閾値強度以下の領域を薄膜部とし、閾値強度超の領域を非薄膜部として、薄膜部の面積/(薄膜部の面積+非薄膜部の面積)×100%を薄膜部の面積率とする。
また、本評価に用いる特性X線像の倍率としては、圧延による凹凸形状を観察することができ、かつ電子線走査による画面端の歪みの影響が少ない、100倍~300倍程度が望ましい。
上記のように算出した薄膜部の面積率の値が25.0%以下になった場合に、有機樹脂皮膜被覆性が良好であると判定される。
ここで、皮膜中の分散剤の割合とは、全皮膜重量に対する皮膜中の分散剤の質量の割合である。
乾燥後の有機樹脂の付着量を制御する方法として塗料塗布後にゴムロールを押し当てたり、ロールコーターの押付け圧力や回転数等を制御して、塗料の塗布量を制御する方法が挙げられる。
有機皮膜被覆性を以下のようにして測定した。
上記有機樹脂被覆鋼板から、10mm角サイズの小片を各5枚切断し、供試材とした。測定には、エネルギー分散型X線分光装置(Burker製XFlash5|30)が搭載された、ショットキー電界放射型SEM(Carl Zeiss製Σigma)を用いた。
プレス成形性を評価するために、各供試材の摩擦係数を以下のようにして測定した。
有機樹脂被覆鋼板の脱膜性を求めるために、まず、各試験片をアルカリ脱脂剤のファインクリーナーE6403(日本パーカライジング(株)製)で脱脂処理した。かかる処理は、試験片を、脱脂剤濃度20g/L、温度40℃の脱脂液に所定の時間浸漬し、水道水で洗浄した後、ブロワーで乾燥することとした。かかる処理後の試験片に対し、蛍光X線分析装置を用いて表面炭素強度を測定し、かかる測定値と予め測定しておいた脱脂前表面炭素強度および無処理鋼板の表面炭素強度の測定値を用いて、以下の式により皮膜剥離率を算出した。
<皮膜剥離率>
皮膜剥離率(%)=[(脱脂前炭素強度-脱脂後炭素強度)/(脱脂前炭素強度-無処理鋼板の炭素強度)]×100
<評価基準>
◎良好:60秒以内
〇適用範囲:60秒超120秒以内
×適用不可:120秒超
各試験片について、使用電極:DR型Cr-Cu電極、加圧力:150kgf、通電時間:10サイクル/60Hz、溶接電流:7.5kAの条件で連続打点性の溶接試験を行い、連続打点数で評価した。その評価基準は以下のとおりである。
<評価基準>
○優れる:5000点以上
×劣る:5000点未満
各試験片について、上記(4)の評価において〇、上記(3)の評価において◎もしくは〇、かつ上記(1)、(2)の評価において◎であった場合には、合格(優秀):◎とし、上記(4)の評価において〇、上記(3)の評価において◎もしくは〇、上記(1)、(2)の評価において〇であった場合には合格(可):〇とし、上記(1)~(4)のいずれか1つ以上の評価が×であった場合には、不合格:×とした。
2 試料台
3 スライドテーブル
4 ローラ
5 スライドテーブル支持台
6 ビード
7 第1ロードセル
8 第2ロードセル
9 レール
Claims (8)
- 少なくとも片面に、有機樹脂皮膜を、乾燥後の片面あたりの平均付着量が0.2g/m2以上2.0g/m2以下となるように被覆した鋼板であり、
前記有機樹脂皮膜の付着量が0.14g/m2以下となる薄膜部が面積率で25.0%以下である有機樹脂被覆鋼板。 - 前記薄膜部の平均面積が10.0μm2以下である、請求項1に記載の有機樹脂被覆鋼板。
- 薄膜部の面積率を下記(1)と(2)の方法で算出する請求項1または2に記載の有機樹脂被覆鋼板。
(1)加速電圧5kV以上20kV以下で、SEMに搭載されたX線分光装置により、有機樹脂被覆鋼板表面のC-K線の特性X線像を撮影する。
(2)撮影したC-K線の特性X線像から局所付着量0.14g/m2に相当する閾値強度以下の領域を薄膜部とし、閾値強度超の領域を非薄膜部として、薄膜部の面積/(薄膜部の面積+非薄膜部の面積)×100%を薄膜部の面積率とする。 - 有機樹脂皮膜が、アクリル樹脂、ウレタン樹脂、フェノール樹脂のいずれか1種類以上を含む皮膜である請求項1~3のいずれかに記載の有機樹脂被覆鋼板。
- 有機樹脂皮膜は、全皮膜重量に対して50質量%以下のワックスを含有する請求項1~4のいずれかに記載の有機樹脂被覆鋼板。
- 前記ワックスが炭化水素系ワックスである請求項5に記載の有機樹脂被覆鋼板。
- ワックスの平均粒径が0.01μm以上4μm以下である請求項5または6に記載の有機樹脂被覆鋼板。
- 前記有機樹脂皮膜は、全皮膜重量に対して5.0質量%以下のアニオン系高分子型分散剤を含有する請求項5~7のいずれかに記載の有機樹脂被覆鋼板。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023523275A JPWO2023171173A1 (ja) | 2022-03-11 | 2023-01-27 | |
CN202380024066.1A CN118715123A (zh) | 2022-03-11 | 2023-01-27 | 有机树脂被覆钢板 |
EP23766353.9A EP4450276A1 (en) | 2022-03-11 | 2023-01-27 | Organic resin-coated steel sheet |
KR1020247029084A KR20240142521A (ko) | 2022-03-11 | 2023-01-27 | 유기 수지 피복 강판 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2022-038343 | 2022-03-11 | ||
JP2022038343 | 2022-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2023171173A1 true WO2023171173A1 (ja) | 2023-09-14 |
Family
ID=87936566
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2023/002711 WO2023171173A1 (ja) | 2022-03-11 | 2023-01-27 | 有機樹脂被覆鋼板 |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP4450276A1 (ja) |
JP (1) | JPWO2023171173A1 (ja) |
KR (1) | KR20240142521A (ja) |
CN (1) | CN118715123A (ja) |
WO (1) | WO2023171173A1 (ja) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09170059A (ja) | 1995-12-18 | 1997-06-30 | Nisshin Steel Co Ltd | 接着剤による接着性の優れたアルカリ可溶型樹脂皮膜被覆亜鉛系めっき鋼板 |
JP2000167981A (ja) | 1998-12-04 | 2000-06-20 | Nkk Corp | 接着性、耐型カジリ性に優れたアルカリ可溶型有機皮膜被覆鋼板 |
JP2000280400A (ja) * | 1999-03-31 | 2000-10-10 | Kawasaki Steel Corp | 塗料組成物および潤滑処理金属板 |
JP2000309747A (ja) | 1999-02-26 | 2000-11-07 | Nippon Steel Corp | プレス成形性、耐かじり性に優れたアルカリ可溶型潤滑皮膜を形成可能な塗料組成物およびこの組成物を使用した潤滑表面処理金属製品 |
JP2002226788A (ja) * | 2001-02-02 | 2002-08-14 | Kobe Steel Ltd | 凹凸模様形成用塗料、および該塗料を用いた塗装金属板の製造方法 |
JP2002307613A (ja) | 2001-04-10 | 2002-10-23 | Sumitomo Metal Ind Ltd | 化成処理性、接着性に優れた潤滑処理鋼板 |
JP2002356648A (ja) * | 2001-03-27 | 2002-12-13 | Sumitomo Chem Co Ltd | 塗料用樹脂組成物 |
JP2017105986A (ja) * | 2015-12-04 | 2017-06-15 | Jfeスチール株式会社 | ステンレス鋼板用潤滑塗料および潤滑ステンレス鋼板 |
-
2023
- 2023-01-27 KR KR1020247029084A patent/KR20240142521A/ko unknown
- 2023-01-27 JP JP2023523275A patent/JPWO2023171173A1/ja active Pending
- 2023-01-27 CN CN202380024066.1A patent/CN118715123A/zh active Pending
- 2023-01-27 WO PCT/JP2023/002711 patent/WO2023171173A1/ja active Application Filing
- 2023-01-27 EP EP23766353.9A patent/EP4450276A1/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09170059A (ja) | 1995-12-18 | 1997-06-30 | Nisshin Steel Co Ltd | 接着剤による接着性の優れたアルカリ可溶型樹脂皮膜被覆亜鉛系めっき鋼板 |
JP2000167981A (ja) | 1998-12-04 | 2000-06-20 | Nkk Corp | 接着性、耐型カジリ性に優れたアルカリ可溶型有機皮膜被覆鋼板 |
JP2000309747A (ja) | 1999-02-26 | 2000-11-07 | Nippon Steel Corp | プレス成形性、耐かじり性に優れたアルカリ可溶型潤滑皮膜を形成可能な塗料組成物およびこの組成物を使用した潤滑表面処理金属製品 |
JP2000280400A (ja) * | 1999-03-31 | 2000-10-10 | Kawasaki Steel Corp | 塗料組成物および潤滑処理金属板 |
JP2002226788A (ja) * | 2001-02-02 | 2002-08-14 | Kobe Steel Ltd | 凹凸模様形成用塗料、および該塗料を用いた塗装金属板の製造方法 |
JP2002356648A (ja) * | 2001-03-27 | 2002-12-13 | Sumitomo Chem Co Ltd | 塗料用樹脂組成物 |
JP2002307613A (ja) | 2001-04-10 | 2002-10-23 | Sumitomo Metal Ind Ltd | 化成処理性、接着性に優れた潤滑処理鋼板 |
JP2017105986A (ja) * | 2015-12-04 | 2017-06-15 | Jfeスチール株式会社 | ステンレス鋼板用潤滑塗料および潤滑ステンレス鋼板 |
Also Published As
Publication number | Publication date |
---|---|
CN118715123A (zh) | 2024-09-27 |
EP4450276A1 (en) | 2024-10-23 |
KR20240142521A (ko) | 2024-09-30 |
JPWO2023171173A1 (ja) | 2023-09-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2023062875A1 (ja) | 鋼板およびその製造方法 | |
WO2021187253A1 (ja) | 冷間圧延鋼板 | |
WO2015087921A1 (ja) | 熱間プレス用Alめっき鋼板及び熱間プレス用Alめっき鋼板の製造方法 | |
JP7088929B2 (ja) | プレス成形性及び塗装後鮮映性に優れた溶融亜鉛めっき鋼板の製造方法及びこれによって製造された溶融亜鉛めっき鋼板 | |
JP2005089780A (ja) | 成形性及び溶接性に優れる潤滑表面処理金属基材 | |
WO2023171173A1 (ja) | 有機樹脂被覆鋼板 | |
WO2022123930A1 (ja) | 鋼板およびその製造方法 | |
JP7380963B1 (ja) | 被覆鋼板およびその製造方法 | |
WO2023238612A1 (ja) | 被覆鋼板およびその製造方法 | |
WO2023182114A1 (ja) | 鋼板およびその製造方法 | |
WO2023238611A1 (ja) | 被覆鋼板およびその製造方法 | |
JP7380964B1 (ja) | 被覆鋼板およびその製造方法 | |
WO2023238610A1 (ja) | 被覆鋼板およびその製造方法 | |
JP7552576B2 (ja) | 鋼板およびその製造方法 | |
JP7416336B1 (ja) | 鋼板およびその製造方法 | |
JP3595490B2 (ja) | 水性有機複合塗料、および耐アブレージョン性および耐プレスかじり性に優れた表面処理金属板とその製造方法 | |
EP4431635A1 (en) | Lubricating film-coated zinc-plated steel sheet and method for manufacturing same | |
JP7567841B2 (ja) | 金属板塗布用塗料 | |
KR20240154021A (ko) | 강판 및 그 제조 방법 | |
JP7533427B2 (ja) | 冷間圧延鋼板 | |
WO2023062874A1 (ja) | 金属板塗布用塗料 | |
WO2024024310A1 (ja) | 亜鉛系めっき鋼板およびその製造方法 | |
KR20240154039A (ko) | 강판 및 그의 제조 방법 | |
JP3990663B2 (ja) | 表面処理金属板、及びその製造方法、並びにこの製造方法に用いる潤滑樹脂と潤滑樹脂塗料組成物 | |
JP6610420B2 (ja) | 鋼板およびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 2023523275 Country of ref document: JP |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23766353 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2023766353 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 2023766353 Country of ref document: EP Effective date: 20240715 |
|
ENP | Entry into the national phase |
Ref document number: 20247029084 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2401005634 Country of ref document: TH |