EP2826569B1 - Verfahren zur Passivierung von bandförmigem Schwarzblech - Google Patents
Verfahren zur Passivierung von bandförmigem Schwarzblech Download PDFInfo
- Publication number
- EP2826569B1 EP2826569B1 EP14175621.3A EP14175621A EP2826569B1 EP 2826569 B1 EP2826569 B1 EP 2826569B1 EP 14175621 A EP14175621 A EP 14175621A EP 2826569 B1 EP2826569 B1 EP 2826569B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel strip
- treatment solution
- strip
- steel
- solution
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000000034 method Methods 0.000 title claims description 37
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title description 10
- 229910052742 iron Inorganic materials 0.000 title description 5
- 239000000243 solution Substances 0.000 claims description 64
- 229910000831 Steel Inorganic materials 0.000 claims description 51
- 239000010959 steel Substances 0.000 claims description 51
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 31
- 238000000576 coating method Methods 0.000 claims description 27
- 239000010410 layer Substances 0.000 claims description 26
- 238000006243 chemical reaction Methods 0.000 claims description 24
- 239000011248 coating agent Substances 0.000 claims description 23
- 239000010936 titanium Substances 0.000 claims description 22
- 229910052719 titanium Inorganic materials 0.000 claims description 21
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 19
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 17
- 239000011701 zinc Substances 0.000 claims description 16
- 229910052725 zinc Inorganic materials 0.000 claims description 15
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 14
- 229910052726 zirconium Inorganic materials 0.000 claims description 14
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 13
- 229910019142 PO4 Inorganic materials 0.000 claims description 13
- 235000021317 phosphate Nutrition 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 11
- 230000007797 corrosion Effects 0.000 claims description 11
- 229910052748 manganese Inorganic materials 0.000 claims description 10
- 239000011572 manganese Substances 0.000 claims description 10
- 239000003792 electrolyte Substances 0.000 claims description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 7
- 238000001035 drying Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 150000003013 phosphoric acid derivatives Chemical class 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 239000003973 paint Substances 0.000 claims description 6
- 229920000058 polyacrylate Polymers 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- QZCLKYGREBVARF-UHFFFAOYSA-N Acetyl tributyl citrate Chemical compound CCCCOC(=O)CC(C(=O)OCCCC)(OC(C)=O)CC(=O)OCCCC QZCLKYGREBVARF-UHFFFAOYSA-N 0.000 claims description 5
- 239000002318 adhesion promoter Substances 0.000 claims description 5
- 239000000470 constituent Substances 0.000 claims description 5
- 229920001223 polyethylene glycol Polymers 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000005238 degreasing Methods 0.000 claims description 4
- QQVIHTHCMHWDBS-UHFFFAOYSA-N isophthalic acid Chemical compound OC(=O)C1=CC=CC(C(O)=O)=C1 QQVIHTHCMHWDBS-UHFFFAOYSA-N 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 239000002202 Polyethylene glycol Substances 0.000 claims description 3
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229920005646 polycarboxylate Polymers 0.000 claims description 3
- QMMJWQMCMRUYTG-UHFFFAOYSA-N 1,2,4,5-tetrachloro-3-(trifluoromethyl)benzene Chemical compound FC(F)(F)C1=C(Cl)C(Cl)=CC(Cl)=C1Cl QMMJWQMCMRUYTG-UHFFFAOYSA-N 0.000 claims description 2
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 claims description 2
- 239000012790 adhesive layer Substances 0.000 claims description 2
- 239000012670 alkaline solution Substances 0.000 claims description 2
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 claims description 2
- 239000011976 maleic acid Substances 0.000 claims description 2
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 2
- 229920001515 polyalkylene glycol Polymers 0.000 claims description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 claims description 2
- VEIOBOXBGYWJIT-UHFFFAOYSA-N cyclohexane;methanol Chemical compound OC.OC.C1CCCCC1 VEIOBOXBGYWJIT-UHFFFAOYSA-N 0.000 claims 1
- 239000005029 tin-free steel Substances 0.000 description 16
- 239000010408 film Substances 0.000 description 14
- 238000004806 packaging method and process Methods 0.000 description 10
- 235000010210 aluminium Nutrition 0.000 description 9
- 238000007739 conversion coating Methods 0.000 description 9
- 239000005028 tinplate Substances 0.000 description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 229910052782 aluminium Inorganic materials 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 6
- 239000007864 aqueous solution Substances 0.000 description 6
- 229910052804 chromium Inorganic materials 0.000 description 6
- 239000011651 chromium Substances 0.000 description 6
- 239000010452 phosphate Substances 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 229920000139 polyethylene terephthalate Polymers 0.000 description 5
- 239000005020 polyethylene terephthalate Substances 0.000 description 5
- 239000007921 spray Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- -1 oxo cations Chemical class 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 229920003002 synthetic resin Polymers 0.000 description 4
- 239000000057 synthetic resin Substances 0.000 description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N Acrylic acid Chemical compound OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910052796 boron Inorganic materials 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920000728 polyester Polymers 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 2
- 229920002125 Sokalan® Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 150000002484 inorganic compounds Chemical class 0.000 description 2
- 229910010272 inorganic material Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000006223 plastic coating Substances 0.000 description 2
- 229920001123 polycyclohexylenedimethylene terephthalate Polymers 0.000 description 2
- 229920002635 polyurethane Polymers 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- 241000416335 Acrophylla titan Species 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 229910001111 Fine metal Inorganic materials 0.000 description 1
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- ORLQHILJRHBSAY-UHFFFAOYSA-N [1-(hydroxymethyl)cyclohexyl]methanol Chemical compound OCC1(CO)CCCCC1 ORLQHILJRHBSAY-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 238000002048 anodisation reaction Methods 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910001563 bainite Inorganic materials 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 1
- 238000004532 chromating Methods 0.000 description 1
- BFGKITSFLPAWGI-UHFFFAOYSA-N chromium(3+) Chemical compound [Cr+3] BFGKITSFLPAWGI-UHFFFAOYSA-N 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000013527 degreasing agent Substances 0.000 description 1
- 238000005237 degreasing agent Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 239000003651 drinking water Substances 0.000 description 1
- 235000020188 drinking water Nutrition 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 150000002118 epoxides Chemical class 0.000 description 1
- 238000009501 film coating Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000005003 food packaging material Substances 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 229910001437 manganese ion Inorganic materials 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000012053 oil suspension Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 235000021110 pickles Nutrition 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920005644 polyethylene terephthalate glycol copolymer Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011253 protective coating Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000008237 rinsing water Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
-
- 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
- C23C22/07—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 phosphates
- C23C22/08—Orthophosphates
- C23C22/18—Orthophosphates containing manganese cations
- C23C22/182—Orthophosphates containing manganese cations containing also zinc cations
-
- 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
- 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
-
- 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
- C23C22/74—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 for obtaining burned-in conversion coatings
-
- 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
-
- 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
- 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
- C23C22/82—After-treatment
-
- 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
- C23C22/82—After-treatment
- C23C22/83—Chemical after-treatment
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/34—Anodisation of metals or alloys not provided for in groups C25D11/04 - C25D11/32
-
- 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]
- Y10T428/31678—Of metal
Definitions
- the invention relates to a method for passivating strip-shaped black sheet, wherein in an initial step by an electrochemical treatment of the black plate an inert layer is formed on the black plate surface and in a further step, an aqueous chromium-free treatment solution on at least one surface of the black plate to form a protective against corrosion Conversion layer is applied, which also forms an adhesive layer for paints and organic coating materials.
- Passivation is understood here to mean the targeted generation of a protective layer (here: conversion layer) on the black sheet, which prevents or at least greatly slows the corrosion of the black sheet.
- the invention further relates to the use of black plates treated according to the invention as packaging steel.
- the metallic surface is provided with a coating of another, usually less noble, metal (such as zinc and chromium). So it is e.g. known steel sheets with zinc or chromium or with tin (which, however, is nobler compared to steel) to coat.
- metal such as zinc and chromium
- tin which, however, is nobler compared to steel
- Tinplate very extensively tinned Feinstbleche
- Tinplates are characterized by a very good corrosion resistance and a good forming behavior and their weldability and are therefore very well suited for the production of packaging, such. Beverage cans.
- Conversion layers are non-metallic, usually inorganic, very thin layers on a metal surface, which are generally produced by chemical reaction of an aqueous treatment solution with the metallic substrate. Conversion coatings ensure a very effective corrosion protection, in particular with fine metal sheets, a good primer for coatings and plastics and they reduce surface friction and abrasion.
- the JP 59089776-A shows a method for Pretreatment of a steel strip in a continuous strip annealing prior to conversion coating with a phosphate-containing treatment solution, the steel strip first annealed in a continuous strip furnace, then cooled with water or steam, optionally pickled and rinsed and then electrochemically treated in an electrolyte with switching the steel strip as the anode to produce a surface suitable for application of the phosphate-containing treatment solution.
- the EP 1 060 032 A2 shows a continuous process for the pretreatment of black plate as packaging steel wherein a cold-rolled, annealed black plate in alkaline NaOH solution is electrolytically cleaned and then applied to the black plate, an aqueous conversion treatment solution with phosphate by spraying or roller coater.
- Chromium-containing conversion layers have proven to be very effective corrosion protection.
- chromating the metallic surface is treated with an acidic solution containing chromium (VI) ions, whereby chromium (VI) is reduced to chromium (III).
- the treatment forms a chromium-containing conversion layer which protects against corrosion on the metal surface.
- chromium (VI) compounds are acutely toxic and carcinogenic.
- the passivation of metal surfaces containing chromium (VI) -containing substances has already been banned in the EU.
- chromium-free conversion layers have been developed in the prior art.
- Processes for producing chromium-free conversion layers on metallic surfaces, in particular of metallic alloys such as steel and of zinc or aluminum surfaces are known, for example from US Pat WO 97/40208 -A and the EP 2532769 A1 .
- the DE 10161383 A1 discloses a method of coating metallic surfaces with aqueous chromium VI-free processing solutions and an organic film former of a polymeric material, cations or fluoro complexes of cations selected from the group consisting of titanium, zirconium, hafnium, silicon, aluminum, and boron contain an organic compound in particulate form, wherein the aqueous treatment solution is applied, for example.
- Tinplate has excellent properties as a food packaging material and has been manufactured and processed for many decades for this purpose. Tin, which However, with tinplate being the anti-corrosive coating, it has become a relatively valuable material due to the global scarcity of resources.
- electrolytically plated chromium plated steel sheets are known as Tin Free Steel (TFS) or Electrolytic Chromium Coated Steel (ECCS) .
- TFS Tin Free Steel
- ECCS Electrolytic Chromium Coated Steel
- these tin-free steel sheets are distinguished by a good adhesion to paints or organic protective coatings (for example of PP or PET), but on the other hand have considerable advantages in carrying out the coating process because of the toxic and health-endangering properties of the chromium-VI-containing materials used for coating Disadvantages.
- the object of the present invention is therefore to provide a chromium-free packaging steel, which is suitable as a substitute for tin-free steel sheet (TFS or ECCS) and as a replacement for tinplate and in particular both in terms of corrosion resistance and with respect to the adhesion for paints or organic coatings should be with tinplate or tin-free steel.
- This object is achieved by a method for passivation of black belted sheet metal having the features of claim 1.
- an uncoated black plate in strip form of a cold-rolled, annealed and re-rolled steel strip having a weight-based carbon content of 20 to 1000 ppm used and Moving at a belt speed of at least 200 m / min through a belt coater where the steel strip is cleaned and degreased in a pretreatment step by passing the steel strip at a belt speed through a cleaning tank with an alkaline solution of sodium or potassium hydroxide followed by rinsing.
- Electrolyte is a sodium hydroxide or soda solution, which is maintained at temperatures between 20 and 80 ° C.
- the steel strip is rinsed with water or another rinsing liquid, dried and finally coated in a further step with a corrosion-stable conversion coating by an aqueous chromium-free on at least one surface of the black plate in a no-rinse process
- Treatment solution which contains as essential chemical components titanium and zirconium or titanium, zirconium and manganese or titanium, zinc and phosphates or titanium, zinc, manganese and phosphates.
- the steel may, for example, be a ferritic steel or else a multiphase steel which has a plurality of structural constituents, in particular ferrite, martensite, bainite and / or retained austenite.
- Such multiphase steels are characterized by a high strength of more than 500 MPa with simultaneously good elongation at break of more than 10%.
- the grades of the steel sheet defined in DIN EN 10202: 2001: "Cold-rolled packaging sheet products (electrolytically tinned and chromium-plated)" are preferably observed. In this standard are u.a. Analysis and mechanical characteristics of the steel defined. The grades are in particular between TS230 (soft hood furnace grade, yield strength 230 MPa) to TH620 (DO, 620MPa).
- the black plate in strip form is moved at a belt speed of more than 200 m / min.
- a step of forming an inert layer on the surface of the black sheet by an electrochemical treatment is first cleaned in a pretreatment step and in particular degreased, then rinsed, pickled and rinsed again. This is necessary because the cold-rolled and recrystallization-annealed black sheet is usually after the Recrystallization annealing is retreaded or trained, wherein, for example.
- wet-rolling with a water-oil suspension or even duringkowskinachwalzen the black plate surfaces are contaminated by oil, iron abrasion, soaps and other contaminants. This contamination is eliminated by the pretreatment step.
- the black plate is passed into a cleaning tank with an alkaline sodium or potassium hydroxide solution.
- concentration of the alkaline degreasing agent is preferably between 20 and 100 g / l at bath temperatures of 20-70 ° C.
- a degreasing of the black plate is expediently carried out in two steps, wherein in a first step a dipping method and in the second step an electrolytic method with current densities of 2 to 30 A / dm 2 is performed. After degreasing, each band side of the black plate is rinsed, for example, by a triple cascade rinsing with 10-30 m 3 / h of water.
- Removal of oxide residues may, if necessary, be accomplished by passing the blackplate tape into further cleansing tanks having a salt or sulfuric acid pickle at a concentration of, for example, 10 to 120 g / l in two consecutive dives, followed by a dive with a dive.
- the temperatures of the pickling solution and the rinsing water are typically between 20 and 60 ° C.
- a homogeneous, dense, inert steel surface is produced by electrochemical treatment by passing the black metal strip through an electrolyte.
- the electrolyte is alkaline.
- the electrochemical, alkaline treatment of the black plate is used for inerting and for equalizing the surface properties of the steel strip before applying the conversion coating.
- the black plate belt is passed through the belt speed through an electrolytic bath while being connected as an anode at a current density of 2-30 A / dm 2 .
- the electrolyte is either a sodium hydroxide solution or a soda solution.
- the sodium hydroxide solution preferably has a NaOH concentration of 20-100 g / l.
- a sodium hydroxide bath with a 3% NaOH solution may also be used.
- soda solution in particular a 5% sodium carbonate solution (Na 2 CO 3 ) can be used.
- the bath temperatures of the electrolysis bath are maintained between 20 and 80 ° C.
- the black plate is rinsed with water.
- the rinsing can be done by immersing the tape in a water tank or by spraying with water. Preference is given to using demineralized (DI), deionized water, osmosis water or distilled water at temperatures of 20-60 ° C. However, untreated drinking water or other rinsing liquids can also be used. After rinsing, the black plate is dried.
- a conversion layer is applied to at least one surface of the black plate by applying an aqueous chromium-free treatment solution to the surface of the black plate previously rendered inert in the electrochemical treatment.
- the conversion coating is applied in a no-rinse process, that is, a rinsing after generating the conversion layer is omitted.
- the aqueous chromium-free treatment solution which forms the conversion coating is applied, for example, to the surface of the black plate with a coating device which comprises a roller coater, a rotary sprayer or spray nozzles.
- the surface of the black plate to which the conversion layer is to be applied should be as clean and dry as possible. Therefore, at least the surface of the black plate to be coated with the conversion layer is treated with a drying device, e.g. with an air knife, dried.
- a drying device e.g. with an air knife
- the rotary sprayer has a plurality of spray rotors juxtaposed transversely to the belt running direction to which the aqueous treatment solution is supplied and which are rotated by a drive to spray the aqueous treatment solution on the or each surface of the belt in the form of a fine spray jet due to centrifugal force Form wet film of the aqueous solution.
- After application of the wet film of the aqueous treatment solution this is made uniform by means of powered smoothing rollers on the surface of the black plate.
- the smoothing rollers are included expediently with respect to the black plate surface (s) arranged so that they exert only little pressure on the wet film of the aqueous treatment solution and squeeze no or at most a minimum proportion of the applied treatment solution from the surface.
- the amount of treatment solution sprayed with the rotary sprayer is adjusted accordingly so that there is no excess on the blackplate surface. This eliminates the otherwise necessary disposal or treatment of the excess portion of the treatment solution.
- the dry coating of the treatment solution after drying is expediently between 1 and 50 mg / m 2 and is preferably in the range from 10 to 30 mg / m 2 .
- the amount of the aqueous treatment solution fed to the spray rotors of the rotary sprayer per unit time is expediently adapted to the belt speed.
- a constant circulation of the wet film in the range of 2 ml / m 2 to 8 ml / m 2 and preferably of about 5 ml / m 2 per band side can be set independently of the belt speed.
- the belt After applying the wet film of the processing solution, the belt is passed through a belt dryer to dry the wet film. After drying, a dry coating of the conversion layer formed in this way from 2 mg / m 2 to 30 mg / m 2 remains on the surface of the black plate per side.
- the desired dry coverage of the conversion layer can be adjusted by the amount of treatment solution fed to the rotary sprayer per unit of time.
- An advantage of this type of application is that only fresh treatment solution is used and that it can not be contaminated by iron separation by contact and recycling with the steel strip.
- the process is very economical, since only the exact amount needed is applied and no excess is needed, so that excess treatment solution does not have to be collected. This can prevent that post-treated wastewater arise.
- the application of the treatment solution can also Rolling coater by a roller application - also on a previously dried black plate surface - done. Roll coaters are preferably used in the lower speed range of the belt speed and in particular at speeds of less than 200 m / min.
- the application can also be carried out by spraying the treatment solution or by immersing the tape in a bath with the treatment solution. In this case, since the treatment solution is applied in excess to the black plate, it is necessary to achieve a predetermined desired edition of the conversion layer, squeeze off the excess portion of the wet film, for example by means of squeezing rollers, which can be done "wet on wet". In this method, however, the solution is not applied the same constant regardless of the speed and the treatment solution can also be contaminated by iron and must then be renewed and disposed of after exceeding a contamination threshold.
- the wet film of the treatment solution applied with the described application methods is finally dried to form a dry conversion layer.
- This can be done, for example, by passing the black plate through a drying oven in which wet film is dried by means of hot air or IR radiation. The drying is preferably carried out at temperatures of 50-250 ° C.
- the surface of the dry conversion layer with Dioctylsebacat (DOS), acetyltributylcitrate (ATBC), butyl stearate (BSO) or polyalkylene glycol, in particular polyethylene glycol (PEG, preferably having a molecular weight of 6000 g / mol), or combinations thereof oiled or post-treated.
- DOS Dioctylsebacat
- ATBC acetyltributylcitrate
- BSO butyl stearate
- polyalkylene glycol in particular polyethylene glycol (PEG, preferably having a molecular weight of 6000 g / mol
- the treatment solution may further comprise at least one adhesion promoter for lacquers or organic coating materials, the adhesion promoter in particular containing constituents of maleic acid, isophthalic acid and cyclohexanedimethanol (CHDM) or combinations thereof.
- adhesion promoters have been found to be compositions containing polyethylene terephthalate (PET) or polycyclohexylenedimethylene terephthalate (PCT), e.g. glycol-modified polyethylene terephthalate (PET-G containing less than about 30% CHDM) or PCTG (containing more than about 30% CHDM).
- the requirements are for example 1 to 50 mg / m 2 for the respective substances.
- BASF® EFKA ® 4560 modified polyacrylates BASF® - Ti, Zn, Mn phosphate Henkel ® Granodine ® 1456 Ti, Zr Henkel ® GTP 10861 Gardo ® TP Zn phosphates Ti Chemetall ® GB X4744A Gardobond ® (Chemetall ®) Mn, Ti, Zr Chemetall ® GB X4591 A1 Ti, Zr Chemetall ® GB X4744 Ti, Zr Chemetall ®
- the process according to the invention can be carried out without major installation effort into an existing coating installation, e.g. be integrated into a coil coating plant for the production of ECCS (or TFS).
- the belt speed in such belt coating systems is typically 80-600 m / min.
- the inventive method has the advantages of a chromium-free and thus environmentally friendly and not harmful to health and cost-effective coating on conventional black plate, especially in the fine and Feinstblech thickness range.
- by the selected application method (no-rinse method) for applying the conversion layer by eliminating the final rinse effective cost and energy savings can be achieved.
- advantages are achieved by the combination of inorganic passivation and polymer-containing thin-film coating.
- the black sheets treated by the process of the invention are eminently suitable for the production of packaging, in particular cans, and can therefore replace the tinplates and tin-free steel sheets (TFS or ECCS) conventionally used as packaging steel. These black sheets are comparable in their corrosion resistance with tinplate and have similarly good adhesion properties for paints and plastic coatings, for example of PP or PET, on as tin-free steel sheets (TFS or ECCS).
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Heat Treatment Of Sheet Steel (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RS20170926A RS56351B1 (sr) | 2013-07-16 | 2014-07-03 | Postupak za pasiviranje crnog lima u obliku trake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310107506 DE102013107506A1 (de) | 2013-07-16 | 2013-07-16 | Verfahren zur Passivierung von bandförmigem Schwarzblech |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2826569A1 EP2826569A1 (de) | 2015-01-21 |
| EP2826569B1 true EP2826569B1 (de) | 2017-06-21 |
Family
ID=51205191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14175621.3A Active EP2826569B1 (de) | 2013-07-16 | 2014-07-03 | Verfahren zur Passivierung von bandförmigem Schwarzblech |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US20150024222A1 (pt) |
| EP (1) | EP2826569B1 (pt) |
| JP (1) | JP2015028210A (pt) |
| CN (1) | CN104294348B (pt) |
| BR (1) | BR102014017368B1 (pt) |
| CA (1) | CA2855673C (pt) |
| DE (1) | DE102013107506A1 (pt) |
| ES (1) | ES2634870T3 (pt) |
| RS (1) | RS56351B1 (pt) |
| RU (1) | RU2663232C2 (pt) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015113878B4 (de) * | 2015-08-21 | 2023-03-16 | Thyssenkrupp Ag | Verfahren zur thermischen Behandlung eines mit einer Konversionsschicht beschichteten Schwarzblechs |
| CN105567920A (zh) * | 2015-12-31 | 2016-05-11 | 芜湖市金宇石化设备有限公司 | 一种变速箱壳体热处理用热处理剂 |
| CN105695698A (zh) * | 2015-12-31 | 2016-06-22 | 芜湖市金宇石化设备有限公司 | 一种变速箱壳体热处理用热处理剂的制备方法 |
| DE102017117080A1 (de) * | 2017-07-28 | 2019-01-31 | Thyssenkrupp Ag | Stahlblech mit einer Konversionsschicht, Verfahren zur Herstellung eines konversionsbeschichteten Stahlblechs und Behandlungsmittel zur Applizierung einer Konversionsschicht auf einem Stahlblech |
| JP6573042B1 (ja) * | 2017-11-28 | 2019-09-11 | Ｊｆｅスチール株式会社 | 方向性電磁鋼板およびその製造方法 |
| WO2021116320A1 (de) * | 2019-12-11 | 2021-06-17 | Salzgitter Flachstahl Gmbh | Blech mit haftvermittlerbeschichtung als halbzeug zur fertigung von metall-thermoplastverbundbauteilen und verfahren zur herstellung eines solchen bleches |
| DE202020100524U1 (de) * | 2020-01-31 | 2021-05-04 | Thyssenkrupp Rasselstein Gmbh | Verpackungsblecherzeugnis, insbesondere Weißblech oder elektrolytisch verchromtes Stahlblech |
| KR102204664B1 (ko) * | 2020-12-15 | 2021-01-19 | 우리하이피 주식회사 | 릴투릴 금속판재 및 가공품의 나노부동태 처리방법 및 그에 따라서 제조된 금속판재 및 가공품 |
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| DE4416416A1 (de) * | 1994-05-10 | 1995-11-16 | Rasselstein Ag | Beschichtete Stahlfolie für Verpackungen, insbesondere für den Lebensmittelbereich, und Verfahren zu deren Herstellung |
| DE102005045033B3 (de) * | 2005-09-21 | 2007-01-18 | Rasselstein Gmbh | Verfahren zur Erniedrigung des Reibwerts der Oberfläche von mit einer Beschichtung überzogenen Metallbändern und Vorrichtung für das Aufbringen einer metallischen Beschichtung auf ein Stahlband |
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| JPS5989776A (ja) * | 1982-11-13 | 1984-05-24 | Sumitomo Metal Ind Ltd | 化成性にすぐれた冷延鋼板の製造方法 |
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| DE19615664A1 (de) | 1996-04-19 | 1997-10-23 | Surtec Produkte Und Systeme Fu | Chrom(VI)freie Chromatschicht sowie Verfahren zu ihrer Herstellung |
| DE19635560A1 (de) * | 1996-09-02 | 1998-03-05 | Basf Lacke & Farben | Porenfreie Beschichtung von Metallbehältern |
| GB2334906A (en) * | 1998-03-02 | 1999-09-08 | British Steel Plc | Laminated metal strip |
| CA2426442A1 (en) * | 2000-10-11 | 2003-04-08 | Klaus Bittner | Method for coating metallic surfaces with an aqueous composition, the aqueous composition and use of the coated substrates |
| JP4054539B2 (ja) * | 2001-03-07 | 2008-02-27 | 日本パーカライジング株式会社 | 傾斜型２層潤滑皮膜を有する塑性加工用金属材料の製造方法 |
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| US7186467B2 (en) * | 2003-01-31 | 2007-03-06 | Jfe Steel Corporation | Black zinc-plated steel sheet |
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| US20060042726A1 (en) * | 2004-09-02 | 2006-03-02 | General Electric Company | Non-chrome passivation of steel |
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| US8673091B2 (en) * | 2007-08-03 | 2014-03-18 | Ppg Industries Ohio, Inc | Pretreatment compositions and methods for coating a metal substrate |
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| JP5380033B2 (ja) * | 2008-10-09 | 2014-01-08 | Ｊｆｅ建材株式会社 | 耐食性と塗料密着性に優れた塗装金属材 |
| ES2748850T3 (es) * | 2009-07-02 | 2020-03-18 | Henkel Ag & Co Kgaa | Solución de tratamiento de superficies metálicas por conversión química exenta de cromo y flúor, método de tratamiento de superficie metálica, y método de revestimiento de superficie metálica |
| EP2532769A1 (en) | 2011-06-10 | 2012-12-12 | Amcor Flexibles Kreuzlingen Ltd. | Method of producing a chromium-free conversion coating on a surface of an aluminium or aluminium alloy strip |
-
2013
- 2013-07-16 DE DE201310107506 patent/DE102013107506A1/de not_active Ceased
-
2014
- 2014-06-26 JP JP2014131073A patent/JP2015028210A/ja active Pending
- 2014-07-03 EP EP14175621.3A patent/EP2826569B1/de active Active
- 2014-07-03 CA CA2855673A patent/CA2855673C/en active Active
- 2014-07-03 RS RS20170926A patent/RS56351B1/sr unknown
- 2014-07-03 ES ES14175621.3T patent/ES2634870T3/es active Active
- 2014-07-10 RU RU2014128191A patent/RU2663232C2/ru not_active IP Right Cessation
- 2014-07-15 BR BR102014017368-4A patent/BR102014017368B1/pt not_active IP Right Cessation
- 2014-07-15 CN CN201410337358.3A patent/CN104294348B/zh active Active
- 2014-07-16 US US14/332,490 patent/US20150024222A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4416416A1 (de) * | 1994-05-10 | 1995-11-16 | Rasselstein Ag | Beschichtete Stahlfolie für Verpackungen, insbesondere für den Lebensmittelbereich, und Verfahren zu deren Herstellung |
| DE102005045033B3 (de) * | 2005-09-21 | 2007-01-18 | Rasselstein Gmbh | Verfahren zur Erniedrigung des Reibwerts der Oberfläche von mit einer Beschichtung überzogenen Metallbändern und Vorrichtung für das Aufbringen einer metallischen Beschichtung auf ein Stahlband |
Non-Patent Citations (1)
| Title |
|---|
| "Metals Handbook", 1 January 1985, AMERICAN SOCIETY FOR METALS, Ohio, ISBN: 978-0-87170-188-6, article "Metals Handbook", pages: IN13, XP055219111 * |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2663232C2 (ru) | 2018-08-02 |
| DE102013107506A1 (de) | 2015-01-22 |
| EP2826569A1 (de) | 2015-01-21 |
| ES2634870T3 (es) | 2017-09-29 |
| CA2855673A1 (en) | 2015-01-16 |
| JP2015028210A (ja) | 2015-02-12 |
| RS56351B1 (sr) | 2017-12-29 |
| RU2014128191A (ru) | 2016-01-27 |
| CN104294348B (zh) | 2017-12-12 |
| US20150024222A1 (en) | 2015-01-22 |
| BR102014017368A2 (pt) | 2015-10-06 |
| CA2855673C (en) | 2016-09-27 |
| BR102014017368B1 (pt) | 2021-06-29 |
| CN104294348A (zh) | 2015-01-21 |
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