WO2018114157A1 - Verfahren zur korrosionsschützenden und reinigenden vorbehandlung von metallischen bauteilen - Google Patents
Verfahren zur korrosionsschützenden und reinigenden vorbehandlung von metallischen bauteilen Download PDFInfo
- Publication number
- WO2018114157A1 WO2018114157A1 PCT/EP2017/079534 EP2017079534W WO2018114157A1 WO 2018114157 A1 WO2018114157 A1 WO 2018114157A1 EP 2017079534 W EP2017079534 W EP 2017079534W WO 2018114157 A1 WO2018114157 A1 WO 2018114157A1
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- WIPO (PCT)
- Prior art keywords
- component
- aqueous composition
- acidic aqueous
- carbon atoms
- water
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 60
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 32
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052742 iron Inorganic materials 0.000 claims abstract description 16
- 239000002253 acid Substances 0.000 claims abstract description 8
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 125000001931 aliphatic group Chemical group 0.000 claims abstract description 7
- 239000011701 zinc Substances 0.000 claims abstract description 7
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 7
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- PUPZLCDOIYMWBV-UHFFFAOYSA-N (+/-)-1,3-Butanediol Chemical compound CC(O)CCO PUPZLCDOIYMWBV-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000002378 acidificating effect Effects 0.000 claims description 43
- 125000004432 carbon atom Chemical group C* 0.000 claims description 22
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- 229910001424 calcium ion Inorganic materials 0.000 claims description 7
- SVTBMSDMJJWYQN-UHFFFAOYSA-N 2-methylpentane-2,4-diol Chemical compound CC(O)CC(C)(C)O SVTBMSDMJJWYQN-UHFFFAOYSA-N 0.000 claims description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 6
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- FBPFZTCFMRRESA-JGWLITMVSA-N D-glucitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-JGWLITMVSA-N 0.000 claims description 4
- UNXHWFMMPAWVPI-UHFFFAOYSA-N Erythritol Natural products OCC(O)C(O)CO UNXHWFMMPAWVPI-UHFFFAOYSA-N 0.000 claims description 4
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- FBPFZTCFMRRESA-KVTDHHQDSA-N D-Mannitol Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@H](O)CO FBPFZTCFMRRESA-KVTDHHQDSA-N 0.000 claims description 2
- HEBKCHPVOIAQTA-QWWZWVQMSA-N D-arabinitol Chemical compound OC[C@@H](O)C(O)[C@H](O)CO HEBKCHPVOIAQTA-QWWZWVQMSA-N 0.000 claims description 2
- UNXHWFMMPAWVPI-QWWZWVQMSA-N D-threitol Chemical compound OC[C@@H](O)[C@H](O)CO UNXHWFMMPAWVPI-QWWZWVQMSA-N 0.000 claims description 2
- 239000004386 Erythritol Substances 0.000 claims description 2
- 229930195725 Mannitol Natural products 0.000 claims description 2
- JVWLUVNSQYXYBE-UHFFFAOYSA-N Ribitol Natural products OCC(C)C(O)C(O)CO JVWLUVNSQYXYBE-UHFFFAOYSA-N 0.000 claims description 2
- TVXBFESIOXBWNM-UHFFFAOYSA-N Xylitol Natural products OCCC(O)C(O)C(O)CCO TVXBFESIOXBWNM-UHFFFAOYSA-N 0.000 claims description 2
- 125000002015 acyclic group Chemical group 0.000 claims description 2
- UNXHWFMMPAWVPI-ZXZARUISSA-N erythritol Chemical compound OC[C@H](O)[C@H](O)CO UNXHWFMMPAWVPI-ZXZARUISSA-N 0.000 claims description 2
- 235000019414 erythritol Nutrition 0.000 claims description 2
- 229940009714 erythritol Drugs 0.000 claims description 2
- 239000000594 mannitol Substances 0.000 claims description 2
- 235000010355 mannitol Nutrition 0.000 claims description 2
- 150000002739 metals Chemical class 0.000 claims description 2
- 229920001223 polyethylene glycol Polymers 0.000 claims description 2
- 239000000843 powder Substances 0.000 claims description 2
- HEBKCHPVOIAQTA-ZXFHETKHSA-N ribitol Chemical compound OC[C@H](O)[C@H](O)[C@H](O)CO HEBKCHPVOIAQTA-ZXFHETKHSA-N 0.000 claims description 2
- 150000005846 sugar alcohols Chemical class 0.000 claims description 2
- 239000000811 xylitol Substances 0.000 claims description 2
- HEBKCHPVOIAQTA-SCDXWVJYSA-N xylitol Chemical compound OC[C@H](O)[C@@H](O)[C@H](O)CO HEBKCHPVOIAQTA-SCDXWVJYSA-N 0.000 claims description 2
- 235000010447 xylitol Nutrition 0.000 claims description 2
- 229960002675 xylitol Drugs 0.000 claims description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims 1
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- 238000006243 chemical reaction Methods 0.000 abstract description 30
- 239000010936 titanium Substances 0.000 abstract description 13
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- 239000004411 aluminium Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 238000011282 treatment Methods 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 7
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- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 150000002222 fluorine compounds Chemical class 0.000 description 6
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- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 229910001431 copper ion Inorganic materials 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
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- 229910021641 deionized water Inorganic materials 0.000 description 3
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- 229910052726 zirconium Inorganic materials 0.000 description 3
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
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- 229910019142 PO4 Inorganic materials 0.000 description 2
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- 229910000611 Zinc aluminium Inorganic materials 0.000 description 2
- CSDREXVUYHZDNP-UHFFFAOYSA-N alumanylidynesilicon Chemical compound [Al].[Si] CSDREXVUYHZDNP-UHFFFAOYSA-N 0.000 description 2
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- MFUVDXOKPBAHMC-UHFFFAOYSA-N magnesium;dinitrate;hexahydrate Chemical compound O.O.O.O.O.O.[Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O MFUVDXOKPBAHMC-UHFFFAOYSA-N 0.000 description 2
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- DDFHBQSCUXNBSA-UHFFFAOYSA-N 5-(5-carboxythiophen-2-yl)thiophene-2-carboxylic acid Chemical compound S1C(C(=O)O)=CC=C1C1=CC=C(C(O)=O)S1 DDFHBQSCUXNBSA-UHFFFAOYSA-N 0.000 description 1
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- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
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- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
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- 125000005210 alkyl ammonium group Chemical group 0.000 description 1
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- XTVVROIMIGLXTD-UHFFFAOYSA-N copper(II) nitrate Chemical compound [Cu+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O XTVVROIMIGLXTD-UHFFFAOYSA-N 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006115 industrial coating Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 description 1
- 239000003446 ligand Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000151 polyglycol Polymers 0.000 description 1
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- 238000001556 precipitation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000001509 sodium citrate Substances 0.000 description 1
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
- DXIGZHYPWYIZLM-UHFFFAOYSA-J tetrafluorozirconium;dihydrofluoride Chemical compound F.F.F[Zr](F)(F)F DXIGZHYPWYIZLM-UHFFFAOYSA-J 0.000 description 1
- 150000003609 titanium compounds Chemical class 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/08—Acids
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/02—Inorganic compounds
- C11D7/04—Water-soluble compounds
- C11D7/10—Salts
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/261—Alcohols; Phenols
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
- C11D7/22—Organic compounds
- C11D7/26—Organic compounds containing oxygen
- C11D7/268—Carbohydrates or derivatives thereof
-
- 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
-
- 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
- C23C22/48—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 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/50—Treatment of iron or alloys based thereon
-
- 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
- C23C22/73—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 characterised by the process
- C23C22/76—Applying the liquid by spraying
-
- 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
- C23C22/78—Pretreatment of the material to be coated
- C23C22/80—Pretreatment of the material to be coated with solutions containing titanium or zirconium compounds
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/08—Iron or steel
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/10—Other heavy metals
-
- 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/02—Cleaning or pickling metallic material with solutions or molten salts with acid solutions
- C23G1/12—Light metals
- C23G1/125—Light metals aluminium
-
- C—CHEMISTRY; METALLURGY
- C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
- C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
- C11D2111/00—Cleaning compositions characterised by the objects to be cleaned; Cleaning compositions characterised by non-standard cleaning or washing processes
- C11D2111/10—Objects to be cleaned
- C11D2111/14—Hard surfaces
- C11D2111/16—Metals
Definitions
- the present invention relates to a process for anticorrosive and cleaning
- Pretreatment of metallic components which are at least partially made of metallic materials of the elements iron, zinc and / or aluminum, using an acidic aqueous composition containing in addition to the conversion of the metal surface causing water-soluble compounds of the elements Zr and / or Ti, a mixture of an aliphatic diol and an aliphatic saturated polyhydroxy compound.
- a chromium (VI) -free aqueous composition based on the aforementioned ingredients which provides excellent cleaning and simultaneous corrosion protection conversion performance of engineering metal surfaces in one process step.
- a conversion coating is often applied prior to the application of a protective and / or decorative coating, such as a paint, on metal substrates, in particular metallic components containing the materials iron, zinc and / or aluminum.
- a protective and / or decorative coating such as a paint
- metallic components containing the materials iron, zinc and / or aluminum.
- the industrial coating of a large number of components requires pretreatment in series, in which each component is different
- Such a pretreatment in series usually comprises the separate process steps of the purification and the
- the step of wet-chemical cleaning of the components is often tailored depending on the substrate and the type of contamination, with a variety of pickling alkaline or acid cleaner and neutral cleaner is available to rid the components of conventional contaminants such as corrosion protection oils, cutting oils and coolants and to condition their metallic surfaces for subsequent wet chemical pretreatment. Meanwhile conversions often carried out on an industrial scale aiming at temporary corrosion protection and the provision of a suitable paint adhesion base, the metal surfaces provide amorphous inorganic coatings based on the elements Zr and / or Ti.
- Such conversion treatments which for the stated purpose are wet-chemically 100 mg / m 2 based on the aforementioned elements, have the advantage over conventional partially crystalline conversion layers based on phosphates to consume less active components and thus more resource-efficient and more efficient due to a lower number of process stages and be formulated phosphate-free can.
- the prior art also describes such conversion treatment methods in which both the component is cleaned and the metal surfaces of the component are converted in one step.
- WO 2012/178003 A2 describes an acidic aqueous composition which is suitable for the purification and conversion of metal surfaces and contains a source of zirconium dissolved in water and a mixture of a cationic and nonionic surfactant, preferably alkyl polyglycol ethers, ethoxylated fatty amines and fatty alcohols and EO as nonionic surfactant / PO block copolymers and quaternized as cationic surfactants alkylammonium salts are used.
- a cationic and nonionic surfactant preferably alkyl polyglycol ethers, ethoxylated fatty amines and fatty alcohols and EO as nonionic surfactant / PO block copolymers and quaternized as cationic surfactants alkylammonium salts are used.
- the cleaning and conversion at the lowest possible temperatures ideally well below 40 ° C, should be possible in order to avoid the formation of rust on the surfaces of the material iron and to significantly reduce overall energy consumption in the process.
- This object is achieved in a method for cleaning and anti-corrosive
- Pretreatment of a metallic component which is at least partially composed of a material which consists predominantly of one or more of the metals iron, zinc and / or aluminum, by contacting the component with an acidic aqueous
- Composition comprising a) at least 0.003% by weight of aliphatic diols having at least 4 carbon atoms but not more than 10 carbon atoms; b) at least 0.01% by weight of aliphatic saturated polyhydroxy compounds having at least 4 but not more than 8 carbon atoms; c) at least one water-soluble compound of the elements Zr and / or Ti;
- the components treated in accordance with the present invention can be any arbitrarily shaped and configured spatial structures which originate from a fabrication process, in particular also semi-finished products such as strips, sheets, rods, tubes, etc., and composite constructions
- the semi-finished products are preferably connected to one another by gluing, welding and / or flanging the composite construction.
- a metallic material consists predominantly of the elements iron, zinc and / or aluminum, if the atomic proportion of these elements in the material as a whole is greater than 50 at .-%.
- the metallic material can also be a metallically coated substrate, insofar as the metallic coating has a layer thickness of at least 1 ⁇ m and more than 50 at.% Consists of the constituent elements defined above.
- Such materials are all plated iron materials such as electrolytically or hot dip galvanized steel, preferably platings in the form of zinc (Z), aluminum-silicon (AS), zinc-magnesium (ZM), zinc-aluminum (ZA), aluminum-zinc (AZ). or zinc-iron (ZF).
- the metal surfaces are freed in one step both from impurities from upstream production stages such as corrosion protection oils, cutting oils and coolants and also protects against corrosion
- Lackhaft ground is applied in the form of a conversion coating.
- sufficient cleaning and corrosion-protective conversion of the metal surfaces can be achieved in the process according to the invention even at comparatively low working temperatures.
- the inventive method allows the pretreatment of components in systems in which only a few treatment stages are provided, which additionally contributes to the process economy, that the method can be operated even at low operating temperatures.
- An iron material is characterized in that its content of iron is more than 50 at.%.
- Preferred iron materials are steel, the steel being comprised of metallic materials whose mass fraction of iron is greater than that of any other element, and whose carbon content, excluding carbides, is less than 2.06% by weight.
- a significant advantage of the method according to the invention is that a cleaning of the metallic surfaces of the component of aids based on organic compounds such as corrosion protection oils, cutting oils and cooling lubricants from upstream production stages succeed even at relatively low operating temperatures.
- the contacting of the acidic aqueous takes place
- Composition therefore at a composition temperature of less than 40 ° C, more preferably less than 35 ° C, more preferably less than 30 ° C, but preferably at least 20 ° C.
- the acidic aqueous composition it is preferred in this context for the acidic aqueous composition to be brought into contact in the process according to the invention by spraying or by spraying, more preferably by spraying, especially preferred at an injection pressure of at least 1 bar, for optimum cleaning and rapid conversion of metal surfaces.
- auxiliary agents based on organic compounds occurring when the component is brought into contact with the acidic aqueous composition, it is entirely possible to dispense with a preceding purification step.
- the method according to the invention therefore takes place immediately before contacting the component with the acidic aqueous composition, preferably by spraying or spraying, no wet chemical cleaning of the component.
- a wet-chemical cleaning according to the invention is a cleaning by contacting with a water-based composition containing a total of at least 0.1 wt .-% of surfactants and / or wetting agents, wherein surfactants and / or wetting agents include all organic compounds, the Surface tension of water at 20 ° C and a proportion of 0.1 wt .-% determined by the Wilhelmy plate method lower.
- Process according to the invention preferably an at least partial coating of the areas of the component which have been previously brought into contact with the acidic aqueous composition, preferably a dip-coating, in particular an electrodeposition coating, or
- a "rinsing step" in the sense of the present invention refers to a process which is intended solely for the purpose of making active components from an immediately preceding wet-chemical
- Treatment step which are present dissolved in a wet film adhering to the component, as far as possible to remove by means of a rinse solution from the surface of the component without the active components to be removed are replaced by others. Active components in this
- liquid phase contained components that cause an analytically detectable occupancy of the metal surfaces of the component with elemental components of the active components.
- a "drying step" in the context of the present invention refers to a process in which the surfaces of the metallic component having a wet film are to be dried with the aid of technical measures, for example supplying thermal energy or passing an air stream.
- the aliphatic diol according to component a) to be used in a process according to the invention is preferably selected from diols whose hydroxyl groups are not more than 3
- Carbon atoms and more preferably is selected from acyclic alkanediols having not more than 8 carbon atoms, but preferably at least 5 carbon atoms, and more preferably 2-methylpentane-2,4-diol.
- the aliphatic polyhydroxy compound according to component b) to be used in a process according to the invention is an aliphatic compound having more than two hydroxyl groups, preferably more than three hydroxyl groups, wherein preferably at least two hydroxyl groups are bonded together by not more than two carbon atoms ("Vicinal hydroxyl groups").
- the polyhydroxy compounds according to component b) are particularly preferably an alditol which in turn preferably has not more than 6 carbon atoms and is particularly preferably selected from erythritol, threitol, xylitol, arabitol, ribitol, mannitol or Sorbitol, and particularly preferred is sorbitol.
- the mass-related ratio of polyhydroxy compounds according to component b) to diols according to component a) is not greater than 20.0, particularly preferably not greater than 10.0, very particularly preferably not greater than 6.0 is.
- the proportion of water-soluble compounds of the elements Zr and / or Ti according to component c) in an acidic aqueous composition of the inventive method total of at least 0.002 wt .-%, particularly preferably at least 0.005 wt .-%, calculated as the amount of Zr, wherein for economic reasons and to avoid the over-pickling of the conversion layer preferably not more than 0.2 wt .-% of water-soluble compounds of the elements Zr and / or Ti calculated as amount of Zr in an acidic aqueous composition of
- Component c) are compounds which dissociate in aqueous solution into anions of fluorocomplexes.
- Such preferred compounds include, for example, hbZrFe, IZXFQ, Na2ZrF6 and (NH4) 2ZrF6, and the analogous titanium compounds.
- fluorine-free compounds of the elements Zr or Ti, in particular the element Zr can be used according to the invention as water-soluble compounds, for example (NH4) 2Zr (OH) 2 (C03) 2 or TiO (SO4).
- Embodiment of the method according to the invention are fluorometallates of the elements Zr and / or Ti and their fluoro acids, particularly preferably hexafluorozirconates and / or hexafluorotitanates and their free acids, in the acidic aqueous composition.
- an acidic composition of the process according to the invention contains, as component d), a source of fluoride ions which is required for a homogeneous and reproducible corrosion-protecting conversion coating on the metal surfaces of the component.
- the source of fluoride ions is any inorganic compound that is capable of being dissolved or dispersed in water to liberate fluoride ions.
- a preferred source of fluoride ions are complex or simple fluorides. Simple fluorides are understood to mean hydrofluoric acid and its salts, such as alkali fluorides, ammonium fluoride or ammonium bifluoride, whereas complex fluorides are coordination compounds according to the invention in which fluorides are coordinated as ligands of one or more central atoms. Accordingly, preferred representatives of the complex fluorides are the aforementioned fluorine-containing complex compounds of the elements Zr, Ti or Si.
- the proportion of compounds which are a source of fluoride ions in an acidic aqueous composition of the process according to the invention is preferably at least such that an amount of free fluoride of at least 0.01 g / kg, but preferably not more than 0 6 g / kg, more preferably not more than 0.2 g / kg in the acidic aqueous composition.
- the free fluoride content is determined by means of calibrated fluoride-sensitive electrode directly in the acidic aqueous composition at 20 ° C.
- the molar ratio of total fluoride content to the total amount of elements Zr and / or Ti according to component c) is greater is 4.5, preferably greater than 5.0, more preferably greater than 5.5.
- the total fluoride content is determined with a fluoride-sensitive electrode in a TISAB-buffered aliquot of an acidic aqueous composition of the method according to the invention at 20 ° C (TISAB: "Total Lonic Strength Adjustment Buffer”), wherein the volume-related mixing ratio of buffer to aliquot the acidic aqueous
- Composition is 1: 1.
- the TISAB buffer is prepared by dissolving 58 g NaCl, 1 g Sodium citrate and 50 ml of glacial acetic acid in 500 ml of deionized water ( ⁇ ⁇ ⁇ 1 ) and setting a pH of 5.3 by means of 5 N NaOH and filling to a total volume of 1000 ml again with deionized water ( ⁇ ⁇ ⁇ 1 ) ,
- the inventive cleaning and simultaneous conversion of the metal surfaces of the component to a corrosion-protective coating based on the elements Zr and / or Ti takes place in an acidic aqueous composition.
- the pH of the acidic aqueous composition is preferably above 2.0, more preferably above 3.0, especially preferably above 4.0, since even low pickling rates are sufficient to achieve good cleaning of the metal surfaces bring about.
- a certain pickling rate is required for the formation of an alkaline diffusion layer on the metal surfaces, within which the precipitation of the coating constituents takes place.
- the acidic aqueous composition has a pH below 6.0, more preferably below 5.5, wherein the acidic aqueous composition preferably has a free acid content of at least 1 point.
- the free acid is determined by adding 2 ml of the acidic aqueous composition to 50 ml of deionized water ), titrated with 0, 1 N sodium hydroxide solution to a pH of 5.5. The consumption of acid solution in ml indicates the score of the free acid.
- an acidic aqueous composition additionally contains calcium and / or magnesium ions in the process according to the invention, more preferably at least 0.01 wt .-% of calcium and magnesium ions, particularly preferably at least 0.01 wt .-% of magnesium ions.
- Preferred sources of magnesium and / or calcium ions are their nitrates.
- the acidic aqueous composition for accelerating the conversion of the metal surfaces, which are brought into contact with the acidic composition additionally contains at least one water-soluble
- a compound which is a source of copper ions preferably in the form of a water-soluble salt, for example, copper sulfate, copper nitrate and copper acetate.
- the presence of copper ions is also beneficial for the anti-corrosive properties of the conversion coating resulting from the conversion to the metallic surfaces of the components.
- the content of copper ions from water-soluble compounds in the acidic aqueous composition for this purpose is preferably at least 0.001 g / kg, more preferably at least 0.005 g / kg.
- the content of copper ions is preferably not more than 0.1 g / kg, more preferably not above 0.05 g / kg, otherwise the deposition of elemental copper begins to dominate over the conversion layer formation.
- Standard reduction potential at pH 0 above +0.6 V SHE
- the proportion of water-soluble compounds for accelerating the conversion layer formation is preferably at least 0.001 mol / L, preferably at least 0.01 mol / L, but for reasons of economy, preferably less than 0.2 mol / L.
- the present invention further includes an acidic aqueous chromium (VI) and phosphate-free
- a composition is "phosphate-free" if the proportion of phosphates dissolved in water is less than 100 mg / kg, preferably less than 20 mg / kg calculated as the amount of phosphorus.
- a composition is "chromium (VI) -free” if the proportion of compounds of the element chromium dissolved in water in the oxidation state + VI is less than 100 mg / kg, preferably less than 20 ppm.
- compositions are analogous to those previously described in the context of the inventive method for the cleaning and corrosion-protective pretreatment of a metallic component with respect to the acidic aqueous composition.
- Oiled steel sheets (Gardobond® MBS 30, Chemetall GmbH) were a cleaning
- the treatment was carried out in a spray chamber at an injection pressure of 1-2 bar for 60 seconds at 25 ° C and a pH of the aqueous
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Abstract
Description
Claims
Priority Applications (5)
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JP2019533030A JP7145157B2 (ja) | 2016-12-19 | 2017-11-17 | 金属部材の防食および洗浄前処理方法 |
KR1020197020392A KR102489194B1 (ko) | 2016-12-19 | 2017-11-17 | 금속 부품의 세척 및 항-부식 전환 전처리 방법 |
CN201780077935.1A CN110073032B (zh) | 2016-12-19 | 2017-11-17 | 金属组件的防腐和清洁预处理的方法 |
CA3047184A CA3047184A1 (en) | 2016-12-19 | 2017-11-17 | Method for corrosion-protective and cleaning pretreatment of metallic components |
US16/432,125 US11761092B2 (en) | 2016-12-19 | 2019-06-05 | Method for corrosion-protective and cleaning pretreatment of metallic components |
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EP16205069.4 | 2016-12-19 | ||
EP16205069.4A EP3336219B1 (de) | 2016-12-19 | 2016-12-19 | Verfahren zur korrosionsschützenden und reinigenden vorbehandlung von metallischen bauteilen |
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US16/432,125 Continuation US11761092B2 (en) | 2016-12-19 | 2019-06-05 | Method for corrosion-protective and cleaning pretreatment of metallic components |
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US (1) | US11761092B2 (de) |
EP (1) | EP3336219B1 (de) |
JP (1) | JP7145157B2 (de) |
KR (1) | KR102489194B1 (de) |
CN (1) | CN110073032B (de) |
CA (1) | CA3047184A1 (de) |
ES (1) | ES2734254T3 (de) |
PL (1) | PL3336219T3 (de) |
WO (1) | WO2018114157A1 (de) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148670A (en) * | 1976-04-05 | 1979-04-10 | Amchem Products, Inc. | Coating solution for metal surface |
EP2159045A1 (de) * | 2007-05-31 | 2010-03-03 | Toyo Seikan Kaisya, Ltd. | Harzbeschichtetes aluminiumlegierungsblech und daraus hergestellter formkörper |
WO2012178003A2 (en) | 2011-06-23 | 2012-12-27 | Henkel Ag & Co. Kgaa | Zirconium-based coating compositions and processes |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1098253A (en) * | 1976-04-05 | 1981-03-31 | Timm L. Kelly | Zirconium/titanium coating solution for aluminum surfaces |
GB2259920A (en) * | 1991-09-10 | 1993-03-31 | Gibson Chem Ltd | Surface conversion coating solution based on molybdenum and phosphate compounds |
DE19754108A1 (de) * | 1997-12-05 | 1999-06-10 | Henkel Kgaa | Chromfreies Korrosionsschutzmittel und Korrosionsschutzverfahren |
DE10152853A1 (de) * | 2001-10-25 | 2003-05-15 | Ntc Nano Tech Coatings Gmbh | Mischung und Verfahren zur Herstellung von vernetzten Massen auf der Grundlage von modifizierten Polysiloxanen sowie damit hergestellte Überzüge und Formkörper |
KR20080000565A (ko) * | 2005-02-15 | 2008-01-02 | 더 유나이티드 스테이트 오브 아메리카 에즈 레프레센티 비 더 세크리터리 오브 더 네이비 | 금속 기판들 상에 크롬-지르코늄 코팅을 제공하기 위한합성물 및 방법 |
CN100494494C (zh) * | 2006-12-21 | 2009-06-03 | 中国海洋石油总公司 | 一种金属表面处理组合物及其用途 |
JP5259168B2 (ja) * | 2007-12-06 | 2013-08-07 | 朝日化学工業株式会社 | 表面処理剤および鋼板 |
JP5661238B2 (ja) * | 2008-11-05 | 2015-01-28 | 日本パーカライジング株式会社 | 表面処理亜鉛系めっき鋼板 |
KR101444566B1 (ko) * | 2009-10-30 | 2014-09-24 | 니혼 파커라이징 가부시키가이샤 | 라미네이트 금속 재료용 표면 처리제 및 라미네이트 금속 재료의 제조 방법 |
ES2872342T3 (es) * | 2010-12-07 | 2021-11-02 | Henkel Ag & Co Kgaa | Composición para pretratamiento para metales que contiene zirconio, cobre y agentes quelantes de metales y recubrimientos relacionados sobre sustratos metálicos |
US9303167B2 (en) * | 2013-03-15 | 2016-04-05 | Ppg Industries Ohio, Inc. | Method for preparing and treating a steel substrate |
ES2703333T3 (es) * | 2013-08-06 | 2019-03-08 | Henkel Ag & Co Kgaa | Composición de revestimiento para pretratamiento de superficie metálica, su preparación y uso de la misma |
KR20150058859A (ko) * | 2013-11-21 | 2015-05-29 | 삼성전자주식회사 | 금속 대상체의 피막 형성 조성물, 피막 및 이의 제조방법. |
CN105674029A (zh) | 2016-04-18 | 2016-06-15 | 厦门市卡施拖菲眼镜有限公司 | 方便拆装且用于显示器设备的紧固装置及其使用方法 |
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2016
- 2016-12-19 PL PL16205069T patent/PL3336219T3/pl unknown
- 2016-12-19 ES ES16205069T patent/ES2734254T3/es active Active
- 2016-12-19 EP EP16205069.4A patent/EP3336219B1/de active Active
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2017
- 2017-11-17 WO PCT/EP2017/079534 patent/WO2018114157A1/de active Application Filing
- 2017-11-17 JP JP2019533030A patent/JP7145157B2/ja active Active
- 2017-11-17 KR KR1020197020392A patent/KR102489194B1/ko active IP Right Grant
- 2017-11-17 CN CN201780077935.1A patent/CN110073032B/zh active Active
- 2017-11-17 CA CA3047184A patent/CA3047184A1/en active Pending
-
2019
- 2019-06-05 US US16/432,125 patent/US11761092B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4148670A (en) * | 1976-04-05 | 1979-04-10 | Amchem Products, Inc. | Coating solution for metal surface |
EP2159045A1 (de) * | 2007-05-31 | 2010-03-03 | Toyo Seikan Kaisya, Ltd. | Harzbeschichtetes aluminiumlegierungsblech und daraus hergestellter formkörper |
WO2012178003A2 (en) | 2011-06-23 | 2012-12-27 | Henkel Ag & Co. Kgaa | Zirconium-based coating compositions and processes |
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CN110073032A (zh) | 2019-07-30 |
JP7145157B2 (ja) | 2022-09-30 |
KR20190096382A (ko) | 2019-08-19 |
KR102489194B1 (ko) | 2023-01-16 |
US20190284700A1 (en) | 2019-09-19 |
CA3047184A1 (en) | 2018-06-28 |
US11761092B2 (en) | 2023-09-19 |
EP3336219B1 (de) | 2019-04-17 |
JP2020502367A (ja) | 2020-01-23 |
ES2734254T3 (es) | 2019-12-05 |
PL3336219T3 (pl) | 2019-10-31 |
EP3336219A1 (de) | 2018-06-20 |
CN110073032B (zh) | 2021-09-07 |
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