DE2343998C2 - Wässrige Chromatierlösung und Verfahren zur Herstellung eines Chromatschutzüberzuges auf Zink- oder Cadmiumoberflächen - Google Patents
Wässrige Chromatierlösung und Verfahren zur Herstellung eines Chromatschutzüberzuges auf Zink- oder CadmiumoberflächenInfo
- Publication number
- DE2343998C2 DE2343998C2 DE2343998A DE2343998A DE2343998C2 DE 2343998 C2 DE2343998 C2 DE 2343998C2 DE 2343998 A DE2343998 A DE 2343998A DE 2343998 A DE2343998 A DE 2343998A DE 2343998 C2 DE2343998 C2 DE 2343998C2
- Authority
- DE
- Germany
- Prior art keywords
- solution
- zinc
- chromium
- coating
- ions
- 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.)
- Expired
Links
- 238000000576 coating method Methods 0.000 title claims description 27
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims description 21
- 229910052725 zinc Inorganic materials 0.000 title claims description 20
- 239000011701 zinc Substances 0.000 title claims description 20
- 238000000034 method Methods 0.000 title claims description 18
- 239000011248 coating agent Substances 0.000 title claims description 12
- 229910052793 cadmium Inorganic materials 0.000 title claims description 11
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 title claims description 11
- 230000008569 process Effects 0.000 title claims description 10
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 title claims description 6
- 238000004532 chromating Methods 0.000 title claims description 5
- 230000001681 protective effect Effects 0.000 title claims description 4
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 14
- 229910052804 chromium Inorganic materials 0.000 claims description 14
- 239000011651 chromium Substances 0.000 claims description 14
- 229910001430 chromium ion Inorganic materials 0.000 claims description 8
- 229910021645 metal ion Inorganic materials 0.000 claims description 6
- VLTRZXGMWDSKGL-UHFFFAOYSA-M perchlorate Chemical compound [O-]Cl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-M 0.000 claims description 5
- -1 fluoride ions Chemical class 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 8
- VLTRZXGMWDSKGL-UHFFFAOYSA-N perchloric acid Chemical compound OCl(=O)(=O)=O VLTRZXGMWDSKGL-UHFFFAOYSA-N 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 7
- 238000005260 corrosion Methods 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 6
- 239000010802 sludge Substances 0.000 description 6
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 4
- 239000010410 layer Substances 0.000 description 4
- 239000011253 protective coating Substances 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000001845 chromium compounds Chemical class 0.000 description 2
- 229940117975 chromium trioxide Drugs 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N chromium trioxide Inorganic materials O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 2
- GAMDZJFZMJECOS-UHFFFAOYSA-N chromium(6+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Cr+6] GAMDZJFZMJECOS-UHFFFAOYSA-N 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000007739 conversion coating Methods 0.000 description 2
- 238000002845 discoloration Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 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 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 1
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 1
- 235000011130 ammonium sulphate Nutrition 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000004327 boric acid Substances 0.000 description 1
- CEKJAYFBQARQNG-UHFFFAOYSA-N cadmium zinc Chemical compound [Zn].[Cd] CEKJAYFBQARQNG-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 description 1
- 238000005115 demineralization Methods 0.000 description 1
- 230000002328 demineralizing effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- AWJWCTOOIBYHON-UHFFFAOYSA-N furo[3,4-b]pyrazine-5,7-dione Chemical compound C1=CN=C2C(=O)OC(=O)C2=N1 AWJWCTOOIBYHON-UHFFFAOYSA-N 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000008188 pellet Substances 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- PXLIDIMHPNPGMH-UHFFFAOYSA-N sodium chromate Chemical compound [Na+].[Na+].[O-][Cr]([O-])(=O)=O PXLIDIMHPNPGMH-UHFFFAOYSA-N 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000011667 zinc carbonate Substances 0.000 description 1
- 229910000010 zinc carbonate Inorganic materials 0.000 description 1
- 235000004416 zinc carbonate Nutrition 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
- C23C22/37—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 containing fluorides or complex fluorides containing also hexavalent chromium 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
- C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
- C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Treatment Of Metals (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US00285314A US3857739A (en) | 1972-08-31 | 1972-08-31 | Compositions and processes for producing chromium conversion coatings on surfaces of zinc or cadmium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE2343998A1 DE2343998A1 (de) | 1974-03-07 |
| DE2343998C2 true DE2343998C2 (de) | 1983-05-11 |
Family
ID=23093698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2343998A Expired DE2343998C2 (de) | 1972-08-31 | 1973-08-31 | Wässrige Chromatierlösung und Verfahren zur Herstellung eines Chromatschutzüberzuges auf Zink- oder Cadmiumoberflächen |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US3857739A (https=) |
| JP (1) | JPS5652118B2 (https=) |
| BE (1) | BE804288A (https=) |
| CA (1) | CA1009549A (https=) |
| DE (1) | DE2343998C2 (https=) |
| FR (1) | FR2198002B1 (https=) |
| GB (1) | GB1425380A (https=) |
| IT (1) | IT990435B (https=) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3857739A (en) * | 1972-08-31 | 1974-12-31 | Dominion Foundries & Steel | Compositions and processes for producing chromium conversion coatings on surfaces of zinc or cadmium |
| CA1083018A (en) * | 1977-01-14 | 1980-08-05 | Sydney H. Melbourne | Compositions and processes for producing chromium conversion coatings on surfaces of zinc/iron alloy |
| US4171231A (en) * | 1978-04-27 | 1979-10-16 | R. O. Hull & Company, Inc. | Coating solutions of trivalent chromium for coating zinc surfaces |
| US4126490A (en) * | 1978-05-01 | 1978-11-21 | Caterpillar Mitsubishi Ltd. | Composition for forming chromate coating |
| US5219617A (en) * | 1989-09-19 | 1993-06-15 | Michigan Chrome And Chemical Company | Corrosion resistant coated articles and process for making same |
| DE19615664A1 (de) | 1996-04-19 | 1997-10-23 | Surtec Produkte Und Systeme Fu | Chrom(VI)freie Chromatschicht sowie Verfahren zu ihrer Herstellung |
| US7314671B1 (en) | 1996-04-19 | 2008-01-01 | Surtec International Gmbh | Chromium(VI)-free conversion layer and method for producing it |
| US20110151126A1 (en) * | 2008-08-29 | 2011-06-23 | Metts Glenn A | Trivalent chromium conversion coating |
| US20110070429A1 (en) * | 2009-09-18 | 2011-03-24 | Thomas H. Rochester | Corrosion-resistant coating for active metals |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2106227A (en) * | 1935-04-29 | 1938-01-25 | Allegheny Steel Co | Surface treatment of metal to prevent localized corrosive attack |
| US2786002A (en) * | 1954-04-28 | 1957-03-19 | American Chem Paint Co | Method of treating zinciferous surfaces |
| US3116176A (en) * | 1959-05-14 | 1963-12-31 | Raymond Druckknopf & Metallwar | Process for the production of corrosionresistant coatings on zinc- and cadmium-surfaces |
| US3287179A (en) * | 1963-01-04 | 1966-11-22 | Frank Theodore | Process for preparing aluminum surfaces prior to plating |
| US3331710A (en) * | 1963-08-23 | 1967-07-18 | Hooker Chemical Corp | Method for coating aluminum |
| US3481797A (en) * | 1966-08-17 | 1969-12-02 | Hooker Chemical Corp | Method for operating chemical processing solutions |
| AU412989B2 (en) * | 1967-04-20 | 1971-05-04 | John Lysaght (Australia) Limited | Composition and process for inhibiting corrosion of zinc surfaces |
| US3620777A (en) * | 1968-07-24 | 1971-11-16 | Hooker Chemical Corp | Chromate chemical coating solution for zinc alloy |
| US3660172A (en) * | 1970-08-19 | 1972-05-02 | Amchem Prod | Prepaint treatment for zinciferous surfaces |
| US3706604A (en) * | 1971-01-20 | 1972-12-19 | Oxy Metal Finishing Corp | Process for the coating of metal |
| US3752707A (en) * | 1971-08-23 | 1973-08-14 | Heatbath Corp | Corrosion resistant composition and method |
| US3857739A (en) * | 1972-08-31 | 1974-12-31 | Dominion Foundries & Steel | Compositions and processes for producing chromium conversion coatings on surfaces of zinc or cadmium |
-
1972
- 1972-08-31 US US00285314A patent/US3857739A/en not_active Expired - Lifetime
-
1973
- 1973-08-29 CA CA179,906A patent/CA1009549A/en not_active Expired
- 1973-08-30 FR FR7331338A patent/FR2198002B1/fr not_active Expired
- 1973-08-31 BE BE135171A patent/BE804288A/xx not_active IP Right Cessation
- 1973-08-31 GB GB4116873A patent/GB1425380A/en not_active Expired
- 1973-08-31 IT IT52261/73A patent/IT990435B/it active
- 1973-08-31 DE DE2343998A patent/DE2343998C2/de not_active Expired
- 1973-08-31 JP JP9815273A patent/JPS5652118B2/ja not_active Expired
-
1976
- 1976-11-01 US US05/737,791 patent/USRE29827E/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE2343998A1 (de) | 1974-03-07 |
| AU5977373A (en) | 1975-03-06 |
| USRE29827E (en) | 1978-11-07 |
| IT990435B (it) | 1975-06-20 |
| FR2198002B1 (https=) | 1978-01-27 |
| JPS4991933A (https=) | 1974-09-03 |
| JPS5652118B2 (https=) | 1981-12-10 |
| BE804288A (fr) | 1973-12-17 |
| US3857739A (en) | 1974-12-31 |
| GB1425380A (en) | 1976-02-18 |
| CA1009549A (en) | 1977-05-03 |
| FR2198002A1 (https=) | 1974-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OD | Request for examination | ||
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |