SE508196C2 - Förfarande för att bilda och eftertäta kromateringsskikt på elektrolytiskt utfälld zink - Google Patents
Förfarande för att bilda och eftertäta kromateringsskikt på elektrolytiskt utfälld zinkInfo
- Publication number
- SE508196C2 SE508196C2 SE9201330A SE9201330A SE508196C2 SE 508196 C2 SE508196 C2 SE 508196C2 SE 9201330 A SE9201330 A SE 9201330A SE 9201330 A SE9201330 A SE 9201330A SE 508196 C2 SE508196 C2 SE 508196C2
- Authority
- SE
- Sweden
- Prior art keywords
- silicate
- solution
- chromating
- zinc
- layer
- Prior art date
Links
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000011701 zinc Substances 0.000 title claims abstract description 21
- 229910052725 zinc Inorganic materials 0.000 title claims abstract description 21
- 238000007789 sealing Methods 0.000 title description 20
- 238000004587 chromatography analysis Methods 0.000 title 1
- 238000004532 chromating Methods 0.000 claims abstract description 34
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 claims abstract description 23
- -1 fluoride ions Chemical class 0.000 claims abstract description 16
- 150000001768 cations Chemical class 0.000 claims abstract description 6
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910017053 inorganic salt Inorganic materials 0.000 claims abstract description 5
- 230000002378 acidificating effect Effects 0.000 claims abstract description 4
- 229910001515 alkali metal fluoride Inorganic materials 0.000 claims abstract description 3
- 229910052910 alkali metal silicate Inorganic materials 0.000 claims abstract description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 19
- 239000010959 steel Substances 0.000 claims description 19
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 18
- 229910052808 lithium carbonate Inorganic materials 0.000 claims description 16
- PUZPDOWCWNUUKD-UHFFFAOYSA-M sodium fluoride Chemical compound [F-].[Na+] PUZPDOWCWNUUKD-UHFFFAOYSA-M 0.000 claims description 16
- XGZVUEUWXADBQD-UHFFFAOYSA-L lithium carbonate Chemical compound [Li+].[Li+].[O-]C([O-])=O XGZVUEUWXADBQD-UHFFFAOYSA-L 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 13
- 239000004115 Sodium Silicate Substances 0.000 claims description 9
- 239000000377 silicon dioxide Substances 0.000 claims description 9
- 229910052911 sodium silicate Inorganic materials 0.000 claims description 9
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims description 9
- KRVSOGSZCMJSLX-UHFFFAOYSA-L chromic acid Substances O[Cr](O)(=O)=O KRVSOGSZCMJSLX-UHFFFAOYSA-L 0.000 claims description 8
- 229910052681 coesite Inorganic materials 0.000 claims description 8
- 229910052906 cristobalite Inorganic materials 0.000 claims description 8
- 229910017604 nitric acid Inorganic materials 0.000 claims description 8
- 235000012239 silicon dioxide Nutrition 0.000 claims description 8
- 235000013024 sodium fluoride Nutrition 0.000 claims description 8
- 239000011775 sodium fluoride Substances 0.000 claims description 8
- 229910052682 stishovite Inorganic materials 0.000 claims description 8
- 229910052905 tridymite Inorganic materials 0.000 claims description 8
- 229910052909 inorganic silicate Inorganic materials 0.000 claims description 7
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 6
- KKCBUQHMOMHUOY-UHFFFAOYSA-N Na2O Inorganic materials [O-2].[Na+].[Na+] KKCBUQHMOMHUOY-UHFFFAOYSA-N 0.000 claims description 5
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 claims description 5
- 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 claims description 5
- 229910052784 alkaline earth metal Inorganic materials 0.000 claims description 3
- 150000001342 alkaline earth metals Chemical class 0.000 claims description 3
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 3
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 150000002642 lithium compounds Chemical class 0.000 claims description 2
- 150000004688 heptahydrates Chemical class 0.000 claims 2
- 238000007744 chromate conversion coating Methods 0.000 abstract 2
- 239000000243 solution Substances 0.000 description 54
- 239000010410 layer Substances 0.000 description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 11
- 238000005260 corrosion Methods 0.000 description 11
- 230000007797 corrosion Effects 0.000 description 11
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 8
- 239000008399 tap water Substances 0.000 description 8
- 235000020679 tap water Nutrition 0.000 description 8
- 239000012153 distilled water Substances 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 239000004094 surface-active agent Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000003093 cationic surfactant Substances 0.000 description 5
- 238000007598 dipping method Methods 0.000 description 5
- 230000007935 neutral effect Effects 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 241001163841 Albugo ipomoeae-panduratae Species 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 125000002091 cationic group Chemical group 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005246 galvanizing Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 229910001506 inorganic fluoride Inorganic materials 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 239000003112 inhibitor Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 2
- 229910001335 Galvanized steel Inorganic materials 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 239000006172 buffering agent Substances 0.000 description 2
- 238000009713 electroplating Methods 0.000 description 2
- 239000008397 galvanized steel Substances 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- WRUGWIBCXHJTDG-UHFFFAOYSA-L magnesium sulfate heptahydrate Chemical compound O.O.O.O.O.O.O.[Mg+2].[O-]S([O-])(=O)=O WRUGWIBCXHJTDG-UHFFFAOYSA-L 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- NROKBHXJSPEDAR-UHFFFAOYSA-M potassium fluoride Chemical compound [F-].[K+] NROKBHXJSPEDAR-UHFFFAOYSA-M 0.000 description 2
- 239000000565 sealant Substances 0.000 description 2
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- 229910006404 SnO 2 Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052783 alkali metal Inorganic materials 0.000 description 1
- 150000001341 alkaline earth metal compounds Chemical class 0.000 description 1
- 229910001420 alkaline earth metal ion Inorganic materials 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000003945 anionic surfactant Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 150000003841 chloride salts Chemical class 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 150000002460 imidazoles Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 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 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- 239000002736 nonionic surfactant Substances 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 150000003557 thiazoles Chemical class 0.000 description 1
- GTLDTDOJJJZVBW-UHFFFAOYSA-N zinc cyanide Chemical compound [Zn+2].N#[C-].N#[C-] GTLDTDOJJJZVBW-UHFFFAOYSA-N 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
- C23C22/24—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 hexavalent chromium compounds
- C23C22/26—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 hexavalent chromium compounds containing also organic compounds
- C23C22/27—Acids
-
- 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
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)
- Electroplating Methods And Accessories (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ES09101162A ES2046921B1 (es) | 1991-05-13 | 1991-05-13 | Procedimiento de sellado de revestimientos de conversion de cromato sobre cinc electrodepositado. |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| SE9201330D0 SE9201330D0 (sv) | 1992-04-28 |
| SE9201330L SE9201330L (sv) | 1992-11-14 |
| SE508196C2 true SE508196C2 (sv) | 1998-09-14 |
Family
ID=8272350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE9201330A SE508196C2 (sv) | 1991-05-13 | 1992-04-28 | Förfarande för att bilda och eftertäta kromateringsskikt på elektrolytiskt utfälld zink |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US5178690A (it) |
| JP (1) | JP2775210B2 (it) |
| CA (1) | CA2068289C (it) |
| DE (1) | DE4214954C2 (it) |
| ES (1) | ES2046921B1 (it) |
| FR (1) | FR2676463B1 (it) |
| GB (1) | GB2255783B (it) |
| IT (1) | IT1280043B1 (it) |
| SE (1) | SE508196C2 (it) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5350791A (en) * | 1992-07-02 | 1994-09-27 | Henkel Corporation | Hydrophilicizing treatment for metal objects |
| US5356977A (en) * | 1993-05-14 | 1994-10-18 | Henkel Corporation | Hydrophilicizing sealer treatment for metal objects |
| ES2089976B1 (es) * | 1994-12-03 | 1997-08-01 | Galol Sa | Procedimiento de tratamiento anticorrosivo para cables trenzados. |
| ES2125155B1 (es) * | 1994-12-03 | 1999-11-16 | Galol Sa | Mejoras introducidas a la patente n-9402488 po "procedimiento de tratamiento anticorrosivo para cables trenzados. |
| FR2727983B1 (fr) * | 1994-12-07 | 1997-01-24 | Atotech France | Bain de chromatation et procede pour la finition de surfaces de zinc, d'alliage de zinc, ou de cadmium |
| US7029541B2 (en) * | 2002-01-24 | 2006-04-18 | Pavco, Inc. | Trivalent chromate conversion coating |
| US7510333B2 (en) * | 2006-05-01 | 2009-03-31 | Aktiebolaget Skf | Stern drive shaft support bearing |
| US20110139364A1 (en) * | 2009-12-16 | 2011-06-16 | Matienzo Luis J | Chemical modification of chromate conversion coated aluminum work pieces |
| CA2875335C (en) * | 2012-06-08 | 2019-04-30 | Prc-Desoto International, Inc. | Indicator coatings for metal surfaces |
| EP2971237B1 (en) * | 2013-03-16 | 2022-05-04 | PRC-Desoto International, Inc. | Azole compounds as corrosion inhibitors |
| CA2907088C (en) * | 2013-03-16 | 2017-12-05 | Prc-Desoto International, Inc. | Metal complexing agents as corrosion inhibitors |
| WO2015070933A1 (de) | 2013-11-18 | 2015-05-21 | Basf Coatings Gmbh | Verfahren zur beschichtung metallischer substrate mit einer konversionsschicht und einer sol-gel-schicht |
| CN103668388B (zh) * | 2013-12-27 | 2016-04-06 | 浙江苏泊尔股份有限公司 | 一种耐碱性封闭液和硬质阳极氧化膜的封闭方法 |
| EP3161176B1 (en) | 2014-06-27 | 2018-12-19 | Henkel AG & Co. KGaA | Dry lubricant for zinc coated steel |
| FR3073529B1 (fr) * | 2017-11-14 | 2021-07-02 | Mecaprotec Ind | Procede de traitement de surface d’une piece revetue d’un revetement de cadmium et composition pour la mise en œuvre d’un tel procede |
Family Cites Families (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE490295A (it) * | 1948-08-27 | |||
| AU412989B2 (en) * | 1967-04-20 | 1971-05-04 | John Lysaght (Australia) Limited | Composition and process for inhibiting corrosion of zinc surfaces |
| GB1250144A (it) * | 1969-02-17 | 1971-10-20 | ||
| US3687740A (en) * | 1971-01-22 | 1972-08-29 | Us Army | Heat resistant chromate conversion coatings |
| US3755018A (en) * | 1971-04-26 | 1973-08-28 | Eltzroth & Ass J M | Composition and process for inhibiting corrosion of non-ferrous metal surfaced articles and providing receptive surface for synthetic resin coating compositions |
| SU427614A1 (ru) * | 1971-10-05 | 1977-11-05 | Ордена Трудового Красного Знамени Институт Химии И Химической Технологии Ан Литовской Сср | Состав дл пассисировани цинка |
| US3798074A (en) * | 1972-03-23 | 1974-03-19 | Allegheny Ludlum Ind Inc | Surface finishing |
| JPS53108834A (en) * | 1977-03-07 | 1978-09-22 | Dipsol Chem | Anticorrosive treatment method of metal surface |
| US4367099A (en) * | 1981-06-15 | 1983-01-04 | Occidental Chemical Corporation | Trivalent chromium passivate process |
| US4648910A (en) * | 1984-04-03 | 1987-03-10 | Clevite Industries Inc. | Method of bonding a high temperature resistant polymeric material to an aluminum base substrate and article therefrom |
| GB8507181D0 (en) * | 1985-03-20 | 1985-04-24 | Omi International Benelux Bv | Passivation |
| JPS62278298A (ja) * | 1985-08-28 | 1987-12-03 | Kawasaki Steel Corp | クロメート処理Ｚｎ系めっき鋼板 |
| US4657599A (en) * | 1985-10-21 | 1987-04-14 | Torcad Limited | Process for improving corrosion resistance of zinc or cadmium plated metal articles |
| EP0222282A3 (de) * | 1985-11-04 | 1987-08-19 | HENKEL CORPORATION (a Delaware corp.) | Verfahren zum Aufbringen von organischen Überzügen auf Metalloberflächen |
| AU574609B2 (en) * | 1986-05-12 | 1988-07-07 | Nippon Steel Corporation | Chromate treatment of metal coated steel sheet |
| JPH0715148B2 (ja) * | 1987-03-03 | 1995-02-22 | 日本パ−カライジング株式会社 | アルミニウムの親水性処理方法 |
| US4800134A (en) * | 1987-04-13 | 1989-01-24 | Teruaki Izaki | High corrosion resistant plated composite steel strip |
| GB2211762B (en) * | 1987-11-13 | 1991-11-13 | Kobe Steel Ltd | Zinc alloy-plated corrosion preventive steel sheet having an organic coating layer thereon and a method for making the same |
| JPH0735587B2 (ja) * | 1988-06-30 | 1995-04-19 | 日本鋼管株式会社 | 高耐食性表面処理鋼板の製造方法 |
| JPH064311B2 (ja) * | 1989-02-27 | 1994-01-19 | 川崎製鉄株式会社 | 耐食性にすぐれた有機被覆鋼板 |
| EP0419032A3 (en) * | 1989-09-19 | 1991-09-11 | Michigan Chrome & Chemical Co | Corrosion resistant coated aluminium articles and process for making same |
| JPH07100873B2 (ja) * | 1989-09-27 | 1995-11-01 | 日本パーカライジング株式会社 | 亜鉛系メッキ鋼板のクロメート塗布液 |
-
1991
- 1991-05-13 ES ES09101162A patent/ES2046921B1/es not_active Expired - Lifetime
-
1992
- 1992-04-28 SE SE9201330A patent/SE508196C2/sv not_active IP Right Cessation
- 1992-04-29 FR FR9205314A patent/FR2676463B1/fr not_active Expired - Fee Related
- 1992-05-04 US US07/878,374 patent/US5178690A/en not_active Expired - Lifetime
- 1992-05-06 DE DE4214954A patent/DE4214954C2/de not_active Expired - Fee Related
- 1992-05-08 CA CA002068289A patent/CA2068289C/en not_active Expired - Fee Related
- 1992-05-08 IT IT92TO000388A patent/IT1280043B1/it active IP Right Grant
- 1992-05-12 JP JP4144985A patent/JP2775210B2/ja not_active Expired - Fee Related
- 1992-05-13 GB GB9210264A patent/GB2255783B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2068289C (en) | 1997-03-25 |
| GB9210264D0 (en) | 1992-07-01 |
| SE9201330D0 (sv) | 1992-04-28 |
| ITTO920388A1 (it) | 1993-11-08 |
| ITTO920388A0 (it) | 1992-05-08 |
| ES2046921B1 (es) | 1994-09-01 |
| SE9201330L (sv) | 1992-11-14 |
| JPH0693462A (ja) | 1994-04-05 |
| GB2255783A (en) | 1992-11-18 |
| ES2046921A1 (es) | 1994-02-01 |
| CA2068289A1 (en) | 1992-11-14 |
| DE4214954C2 (de) | 1997-04-30 |
| IT1280043B1 (it) | 1997-12-29 |
| FR2676463B1 (fr) | 1994-01-07 |
| DE4214954A1 (de) | 1992-11-19 |
| JP2775210B2 (ja) | 1998-07-16 |
| FR2676463A1 (fr) | 1992-11-20 |
| US5178690A (en) | 1993-01-12 |
| GB2255783B (en) | 1995-05-10 |
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