WO2007011008A1 - 耐食性、耐熱性、耐指紋性、導電性、塗装性および加工時の耐黒カス性に優れたクロメートフリー表面処理金属材 - Google Patents
耐食性、耐熱性、耐指紋性、導電性、塗装性および加工時の耐黒カス性に優れたクロメートフリー表面処理金属材 Download PDFInfo
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- WO2007011008A1 WO2007011008A1 PCT/JP2006/314441 JP2006314441W WO2007011008A1 WO 2007011008 A1 WO2007011008 A1 WO 2007011008A1 JP 2006314441 W JP2006314441 W JP 2006314441W WO 2007011008 A1 WO2007011008 A1 WO 2007011008A1
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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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/34—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides
- C23C22/36—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also phosphates
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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
- C09D5/082—Anti-corrosive paints characterised by the anti-corrosive pigment
- C09D5/084—Inorganic compounds
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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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/40—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
- C23C22/44—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates containing also fluorides or complex fluorides
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/14—Polysiloxanes containing silicon bound to oxygen-containing groups
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/22—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen
- C08G77/26—Polysiloxanes containing silicon bound to organic groups containing atoms other than carbon, hydrogen and oxygen nitrogen-containing groups
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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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/20—Use of solutions containing silanes
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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
- Y10T428/27—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.]
- Y10T428/273—Web or sheet containing structurally defined element or component, the element or component having a specified weight per unit area [e.g., gms/sq cm, lbs/sq ft, etc.] of coating
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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]
- Y10T428/31652—Of asbestos
- Y10T428/31663—As siloxane, silicone or silane
Definitions
- Chromate-free surface-treated metal material with excellent corrosion resistance, heat resistance, fingerprint resistance, conductivity, paintability, and black cast resistance during processing
- the present invention provides corrosion resistance, heat resistance, fingerprint resistance, electrical conductivity, paintability and clarity.
- the metal material surface contains chromic acid, dichromic acid or their salts as the main component.
- Known methods include chromate treatment with a treatment solution, phosphate treatment, silane cut coating agent, organic resin film treatment, etc. Yes. .
- Japanese Patent Application Laid-Open No. 2000-300-4 discloses a vanadium compound and at least one metal selected from zirconium, titanium, molybdenum, tungsten, manganese and cerium. And a metal surface treatment agent containing a metal compound containing.
- U.S. Pat. No. 5,292,549 discloses a low concentration organofunctional silane and a crosslinking agent in order to obtain a temporary anticorrosive effect.
- the treatment of metal plates with aqueous solutions containing is taught.
- a method of forming a dense siloxane film by crosslinking an organofunctional silane with a crosslinking agent Is disclosed.
- Japanese Patent Application Laid-Open No. 2000-103-562 discloses a specific resin compound (A), at least one cation selected from the first to third amino groups and the fourth ammonium base.
- the present invention solves the above-mentioned problems of the prior art by applying a chromate-free surface treatment that satisfies all of the corrosion resistance, heat resistance, fingerprint resistance, conductivity, paintability, and black residue resistance during processing.
- the purpose is to provide materials.
- the present invention provides a solid content of a silane coupling agent (A) containing one amino group in the molecule and a silane coupling agent (B) containing one glycidyl group in the molecule on the surface of the metal material.
- the ratio [(A) / (B)] is obtained by blending at a ratio of 0.5 to 1.7.
- Formula 1 S i R 1 R 2 R 3 (wherein R 1 , R 2 and R 3, independently of each other, represents an alkoxy group or a hydroxyl group, and at least one represents an alkoxy group.
- Two or more functional groups (a) represented by a hydroxyl group (functional group (a) are included in the functional group (a).
- hydrophilic functional group (b) selected from an amino group and an average molecular weight of 100 to 100 Organosilicon compound (W) and at least one fluoro compound selected from titanium hydrofluoric acid or zirconium hydrofluoric acid (X)
- an aqueous metal surface treatment agent composed of phosphoric acid (Y) and vanadium compound (Z) is applied and dried to form a composite film containing each component, and each component of the composite film is coated with each component.
- the ratio of the solid mass of the organic key compound (W) to the fluoro compound (X) [(X) / (W)] is 0.02 to 0.07, and the organic key compound (W) And phosphoric acid (Y) solids mass ratio [(Y) / (W)] is 0.03 to 0.12, and the solids mass of the organosilicon compound (W) and vanadium compound (Z)
- the ratio [(Z) / (W)] is 0.05 to 0.17, and the solid content mass ratio of the fluoro compound (X) to the vanadium compound (Z) [(Z) / (X)] Is 1.3 to 6.0
- the present invention relates to a surface-treated metal material.
- the aqueous metal surface treatment agent further comprises at least one cobalt compound selected from the group consisting of cobalt sulfate, cobalt nitrate, and cobalt carbonate as a component (C) in the film.
- the solid content mass ratio [(C) / (W)] of (W) to the cobalt compound (C) is preferably contained in a ratio of 0.01 to 0.1.
- the surface-treated metal material is coated with the aqueous metal surface-treating agent on the surface of the metal material, and dried at a temperature higher than 50 ° C. and lower than 25 ° C., and the film weight after drying is 0. 0 5 ⁇ 2. 0 g Z m 2 and it is not preferable.
- the metal material is preferably a zinc-based steel plate.
- the surface-treated metal material of the present invention satisfies all of corrosion resistance, heat resistance, fingerprint resistance, conductivity, paintability and black residue resistance during processing. Best Mode for Carrying Out the Invention ''
- the metal material applicable in the present invention is not particularly limited, and examples thereof include iron, iron-based alloy, aluminum, aluminum-based alloy, copper, and copper-based alloy. Metal materials can also be used for staking.
- zinc-based steel plates are most suitable for application of the present invention.
- Zinc-based steel sheets include zinc-plated steel sheets, zinc-nickel plated steel sheets, zinc-iron plated steel sheets, zinc-chromium plated steel sheets, zinc-aluminum plated steel sheets, zinc-titanium plated steel sheets, zinc-magnesium plated sheets.
- Cobalt, molybdenum, tungsten, nickele Contains titanium, chromium, aluminum, manganese, iron, magnesium, lead, bismuth, antimony, tin, copper, cadmium, arsenic, etc., and dispersed inorganic substances such as silica, alumina, titania, etc. It is.
- the plating method is not particularly limited, and any known method such as an electric plating method, a fusion plating method, a vapor deposition plating method, a dispersion plating method, or a vacuum plating method may be used.
- the organic silicon compound (W), which is an essential component of the aqueous metal surface treatment agent of the chromate-free surface treatment metal material of the present invention, comprises a silane coupling agent (A) containing one amino group in the molecule, It is obtained by blending a silane coupling agent (B) containing one glycidyl group in a ratio of 0.5 to 1.7 at a solid mass ratio [(8) 7 (8)].
- the mixing ratio of the silane coupling agent (A) and the silane coupling agent (B) should be 0.5 to 1.7 in terms of the solid content mass ratio ((A) / (B)). 7 to: 1. 7 is preferable, and 0.9 to 1.1 is most preferable.
- the solid content mass ratio [(A) / (B)] is less than 0.5, fingerprint resistance, bath stability, and black residue resistance are remarkably lowered. On the other hand, if it exceeds 1.7, the water resistance is remarkably lowered.
- the silane coupling agent (A) containing one amino group in the molecule is not particularly limited, but includes 3-aminopropyltriethoxysilane, 3-amaminopropyl trimethoxysilane.
- Examples of the silane coupling agent (B) containing one glycidyl group in the molecule include 3-Dalicydoxyprovir trimethoxysilane, 3-Dalicydoxypropyl triethoxysilane, etc. can do.
- the method for producing the organic cage compound (W) of the present invention is not particularly limited, but the silane coupling agent (A) and the silane coupling agent (B) are added to water adjusted to pH 4. ) Are sequentially added and stirred for a predetermined time.
- the number of the functional groups (a) in the organic silicon compound (W), which is an essential component of the present invention, needs to be 2 or more.
- the number of carbon atoms of the alkoxy group in the definition of the functional group (a): R 2 and R 3 is not particularly limited, but is preferably 1 to 6, more preferably 1 to 4, more preferably 1 or 2. Is most preferred.
- the abundance ratio of the functional group (b) may be one or more in one molecule.
- the average molecular weight of the organic silicon compound (W) is required to be 100000 to 100000, and preferably 130 to 600.00.
- the molecular weight here is not particularly limited, but either direct measurement by the TF-MS method or conversion measurement by a chromatographic method may be used.
- the average molecular weight is less than 100, the water resistance of the formed film is remarkably lowered.
- the average molecular weight is larger than 100 00, it is difficult to stably dissolve or disperse the organosilicon compound.
- the solid content mass ratio of the organosilicon compound (W) and the fluoro compound (X) [(X) / (W)] Must be 0.02 to 0.07, preferably 0.03 to 0.06, and most preferably 0.04 to 0.05.
- the solid content mass ratio [(X) / (W)] of the organosilicon compound (W) and the fluoro compound (X) is less than 0.02, the effect of addition is not exhibited, which is not preferable.
- from 0. 0 7 JP2006 / 314441 If it is large, the conductivity is lowered, which is not preferable.
- the solid content mass ratio [(Y) / (W)] force S of the organosilicon compound (W) and phosphoric acid (Y) 0.03 to 0.12 is necessary, 0.05 to 0.12 is preferable, and 0.09 to 0.1 is most preferable. If the solid content mass ratio [(Y) / (W)] of the organosilicon compound (W) and phosphoric acid (Y) is less than 0.03, the effect of addition does not occur, which is not preferable. On the other hand, if it exceeds 0.12, it is not preferable because the water solubility of the film becomes remarkable.
- the solid content mass ratio [(Z) / (W)] of the organocatheter compound (W) and the vanadium compound is 0.0. 5 to 0.17, preferably 0.07 to 0.15, more preferably 0.09 to 0.14, and 0.1 1 to 0. Most preferably, it is 1. If the solid content mass ratio [(Z) / (W)] of the organosilicon compound (W) to the vanadium compound is less than 0.05, the effect of addition is not exhibited, which is not preferable. On the other hand, if it exceeds 0.17, stability is extremely lowered, which is not preferable.
- pentavalent vanaji An organic compound having at least one functional group selected from the group consisting of a hydroxyl group, a strong sulfonyl group, a strong lpoxyl group, a primary to tertiary amino group, an amide group, a phosphoric acid group and a phosphonic acid group.
- a compound reduced to tetravalent to divalent by a compound can also be used.
- the solid content mass ratio [(Z) / (X)] of the bromo compound (X) and the vanadium compound (Z) must be 3 to 6.0, 1. 33.5 is preferred, 2.5 to 3.3 is a force S, more preferably 2.8 to 3.0. It is preferable that the mass ratio [(Z) / (X)] of the solid compound (X) and vanadium compound (Z) is less than 1.3 because the effect of adding the vanadium compound (Z) does not appear. ⁇ No. On the other hand, if it exceeds 6.0, bath stability and black residue resistance are deteriorated, which is not preferable.
- the cobalt compound (C) as an additive component of the present invention needs to be at least one cobalt compound selected from the group consisting of cobalt sulfate, cobalt nitrate and carbonate carbonate. Further, the blending ratio must be the solid content mass ratio [(0 / ()]) of the organosilicon compound (W) and the cobalt compound (C) from 0.01 to 0.1,
- 0.02 to 0.07 is preferable, and 0.03 to 0.05 is most preferable.
- the solid content mass ratio [(C) / (W)] of the organosilicon compound (W) and the cobalt compound (C) is less than 0.01, the addition effect of the cobalt compound (C) does not appear. I don't like it. On the other hand, if it is larger than 0.1, the corrosion resistance is lowered.
- the surface-treated metal material of the present invention is coated with the aqueous metal surface treatment agent
- the membrane weight is preferably from 0.05 to 2.0 g / m 2 .
- the drying temperature is preferably higher than 50 ° C and lower than 25 ° C, more preferably 70 ° C to 1550 ° C, and more preferably 100 ° C to 1 ° C. Most preferably, it is 40 ° C. If the temperature reached is 50 ° C. or lower, the solvent of the aqueous metal surface treatment agent is not preferable because it does not volatilize completely. On the other hand, if it is 2500 ° C. or higher, a part of the organic chain of the film formed with the aqueous metal surface treatment agent is decomposed, which is not preferable.
- the film weight it is preferably '0.05 to 2.0 g / m 2 , more preferably 0.2 to 1.0 g Zm 2 , and 0.3 to 0.6 gm. 2 is most preferred.
- a coating weight of less than 0.05 g Zm 2 is not preferred because the surface of the metal material cannot be coated and the corrosion resistance is significantly reduced. On the other hand, if it is greater than 2. O g / m 2 , the black residue resistance at the time of processing decreases, which is not preferable.
- the water-based metal surface treatment agent used in the present invention is a leveling agent, a water-soluble solvent, a metal stabilizer, an etching inhibitor, and a pH adjuster for improving the coating properties within the range that does not impair the effects of the present invention. It is possible to use agents.
- the leveling agent include nonionic or cationic surfactants such as polyethylene oxide or polypropylene oxide adducts and acetylene glycol compounds.
- Water-soluble solvents include ethanol, isopropyl alcohol, t_ Alcohols such as butyl alcohol and propylene glycol, cellosolves such as ethylene glycol monobutyl ether, ethylene glycol monoethyl ether, esters such as ethyl acetate and ethyl acetate, ketones such as acetone, methyl ethyl ketone and methyl isobutyl ketone Kind.
- metal stabilizers include chelate compounds such as EDTA and DTPA, and examples of etching inhibitors include ethylenediamine and triethylenepentamine. And amine compounds such as guanidine, guanidine and pyrimidine.
- pH adjusters include organic acids such as acetic acid and lactic acid, inorganic acids such as hydrofluoric acid, and ammonium salts and amines.
- the surface-treated metal material of the present invention satisfies all of corrosion resistance, heat resistance, fingerprint resistance, conductivity, paintability and black residue resistance during processing. The reason is presumed as follows, but the present invention is not limited to such presumption.
- the skin film formed using the water-based metal surface treatment agent used in the present invention is mainly composed of an organosilicon compound.
- the corrosion resistance is such that when one part of the organic key compound is concentrated by drying or the like, the organic key compound reacts with each other to form a continuous film, and one part of the organic key compound is It is presumed that one S i — OH group generated by hydrolysis forms a significant barrier effect by forming a Si i O—M bond (M: metal element on the surface of the object to be coated) with the metal surface. Is done. In addition, since a dense film can be formed, the film can be made thinner and the conductivity is also improved.
- the film using the water-based metal surface treatment agent of the present invention is formed on the basis of a key, and the structure is such that the arrangement of one key organic chain is regular and the organic chain is relatively short. Therefore, in a very small area of the film, the silicon-containing part and the organic part, that is, the inorganic substance and the organic substance are regularly and densely arranged. Therefore, the heat resistance and conductivity that the inorganic film normally has In addition, it is presumed that it becomes possible to form a new film having both black residue resistance during workability and the fingerprint resistance and paintability normally possessed by organic coatings. In addition, it was confirmed by analysis that about 80% of the silicon formed siloxane bonds in the silicon-containing part of the film.
- a fluoro compound that forms a dense film by increasing the pH near the surface of the metal surface to be treated caused by etching reaction, phosphoric acid as an elution inhibitor, oxidation By adding a vanadium compound that imparts corrosion resistance by a reduction reaction, it is estimated that excellent corrosion resistance is exhibited in addition to heat resistance, fingerprint resistance, conductivity, paintability, and black residue during processing.
- silicate-based Argari degreaser fine cleaner 4 3 3 6 registered trademark: manufactured by Nihon Parkerizing Co., Ltd.
- the test plate was sprayed for 2 minutes at 20 g / L and 60 ° C., washed with pure water for 30 seconds and dried.
- Table 1 shows silane coupling agents used in Examples and Comparative Examples
- Table 2 shows vanadium compounds
- Tables 3 to 5 show formulation examples, film amounts, and drying temperatures.
- the salt spray test (SS T) according to JI S Z "2 3 7 1 was conducted for 120 hours, and the occurrence of birch was observed.
- ⁇ - ⁇ generation is more than 3% of total area and less than 10%
- ⁇ Occurrence of defects is 10% or more and less than 30% of the total area
- a salt spray test with 3 7 1 was conducted for 72 hours, and the occurrence of birch was observed.
- ⁇ Occurrence is less than 10% of the total area
- ⁇ Occurrence is 10% or more and less than 20% of the total area
- ⁇ Occurrence is 3% or more and less than 10% of the total area
- C ⁇ occurrence is 10% or more and less than 30% of the total area
- D- ⁇ generation is 30% or more of the total area
- A AL is less than 0.5
- the interlayer resistance was measured with an interlayer resistance measuring machine.
- A Interlayer resistance is less than 1.0 ⁇
- Melamine alkyd paint was applied by bar coating so that the film thickness after baking and drying was 25, baked at 120 ° C for 20 minutes, and then cut into a 1 mm grid and adhered. The evaluation of the properties was performed at the remaining number ratio (remaining number / cutlet number: 100 0 pieces).
- Examples 1 to 68 show corrosion resistance equivalent to that of chromate, and it can be seen that satisfactory corrosion resistance, heat resistance, fingerprint resistance, conductivity, paintability, and black residue resistance during processing are all satisfied.
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- Mechanical Engineering (AREA)
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Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2006800268983A CN101228294B (zh) | 2005-07-22 | 2006-07-14 | 耐蚀性、耐热性、耐指纹性、导电性、涂装性及加工时的抗变黑性优良的非铬酸盐表面处理金属材 |
PL06781396T PL1918419T3 (pl) | 2005-07-22 | 2006-07-14 | Materiał metalowy z powierzchnią poddaną bezchromianowej obróbce z doskonałą odpornością na korozję, odpornością na ciepło, odpornością na ślady palców, przewodnością, zdolnością do powlekania i odpornością na czarny osad podczas obróbki |
BRPI0613757-1A BRPI0613757A2 (pt) | 2005-07-22 | 2006-07-14 | material metálico livre de cromato com superfìcie tratada com excelente resistência à corrosão, resistência ao calor, resistência a marcas digitais, condutividade, capacidade de revestimento, e resistência ao enegrecimento no momento do trabalho |
EP20060781396 EP1918419B1 (en) | 2005-07-22 | 2006-07-14 | Metallic material having chromate-free-treated surface excellent in corrosion resistance, heat resistance, anti-fingerprint property, conductivity, coating property and black deposit resistance during processing |
US11/989,096 US20090110921A1 (en) | 2005-07-22 | 2006-07-14 | Chromate-Free Surface Treated Metal Material with Excellent Corrosion Resistance, Heat Resistance, Fingermark Resistance, Conductivity, Coatability, and Blackening Resistance at the Time of Working |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005213243 | 2005-07-22 | ||
JP2005-213243 | 2005-07-22 | ||
JP2006185753A JP4776458B2 (ja) | 2005-07-22 | 2006-07-05 | 耐食性、耐熱性、耐指紋性、導電性、塗装性および加工時の耐黒カス性に優れたクロメートフリー表面処理金属材 |
JP2006-185753 | 2006-07-05 |
Publications (1)
Publication Number | Publication Date |
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WO2007011008A1 true WO2007011008A1 (ja) | 2007-01-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2006/314441 WO2007011008A1 (ja) | 2005-07-22 | 2006-07-14 | 耐食性、耐熱性、耐指紋性、導電性、塗装性および加工時の耐黒カス性に優れたクロメートフリー表面処理金属材 |
Country Status (12)
Country | Link |
---|---|
US (1) | US20090110921A1 (ja) |
EP (1) | EP1918419B1 (ja) |
JP (1) | JP4776458B2 (ja) |
KR (1) | KR100951202B1 (ja) |
CN (1) | CN101228294B (ja) |
BR (1) | BRPI0613757A2 (ja) |
MY (1) | MY149036A (ja) |
PL (1) | PL1918419T3 (ja) |
RU (1) | RU2387738C2 (ja) |
SG (1) | SG164374A1 (ja) |
TW (1) | TWI323740B (ja) |
WO (1) | WO2007011008A1 (ja) |
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Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008184659A (ja) * | 2007-01-30 | 2008-08-14 | Nippon Steel Corp | 表面処理金属材 |
CN101338158B (zh) * | 2007-07-03 | 2010-10-06 | 比亚迪股份有限公司 | 一种涂料组合物 |
KR20170098308A (ko) | 2015-02-03 | 2017-08-29 | 신닛테츠스미킨 카부시키카이샤 | 연료 탱크용 강판 |
KR20170099998A (ko) | 2015-02-03 | 2017-09-01 | 신닛테츠스미킨 카부시키카이샤 | 연료 탱크용 강판 |
US10688755B2 (en) | 2015-02-03 | 2020-06-23 | Nippon Steel Corporation | Steel sheet for a fuel tank |
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Also Published As
Publication number | Publication date |
---|---|
RU2387738C2 (ru) | 2010-04-27 |
TW200706617A (en) | 2007-02-16 |
TWI323740B (en) | 2010-04-21 |
KR100951202B1 (ko) | 2010-04-05 |
EP1918419B1 (en) | 2013-02-20 |
RU2008106749A (ru) | 2009-08-27 |
PL1918419T3 (pl) | 2013-09-30 |
CN101228294B (zh) | 2010-11-24 |
SG164374A1 (en) | 2010-09-29 |
EP1918419A1 (en) | 2008-05-07 |
BRPI0613757A2 (pt) | 2011-02-08 |
JP4776458B2 (ja) | 2011-09-21 |
JP2007051365A (ja) | 2007-03-01 |
KR20080029002A (ko) | 2008-04-02 |
EP1918419A4 (en) | 2011-06-22 |
US20090110921A1 (en) | 2009-04-30 |
MY149036A (en) | 2013-06-28 |
CN101228294A (zh) | 2008-07-23 |
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