CA1046912A - Traitement de surfaces metalliques aux solutions trivalentes de chrome - Google Patents

Traitement de surfaces metalliques aux solutions trivalentes de chrome

Info

Publication number: CA1046912A
Authority: CA; Canada
Prior art keywords: metal article; treatment; trivalent chromium; chromium; article
Prior art date: 1974-06-17
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

Application number

CA228,380A

Other languages

English (en)

Other versions

CA228380S (en

Inventor

Donald E. Wells

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Lubrizol Corp

Original Assignee

Lubrizol Corp

Priority date (The priority date 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 date listed.)

1974-06-17

Filing date

1975-06-03

Publication date

1979-01-23

1975-06-03 Application filed by Lubrizol Corp filed Critical Lubrizol Corp

1979-01-23 Application granted granted Critical

1979-01-23 Publication of CA1046912A publication Critical patent/CA1046912A/fr

Status Expired legal-status Critical Current

Links

229910052751 metal Inorganic materials 0.000 title claims abstract description 46
239000002184 metal Substances 0.000 title claims abstract description 46
VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 28
229910052804 chromium Inorganic materials 0.000 title claims abstract description 28
239000011651 chromium Substances 0.000 title claims abstract description 28
239000000243 solution Substances 0.000 claims abstract description 38
CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 20
238000000576 coating method Methods 0.000 claims abstract description 19
238000007739 conversion coating Methods 0.000 claims abstract description 18
239000011248 coating agent Substances 0.000 claims abstract description 14
239000007864 aqueous solution Substances 0.000 claims abstract description 13
230000009467 reduction Effects 0.000 claims abstract description 12
JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims abstract description 11
LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 claims abstract description 8
-1 alkali metal sulfite Chemical class 0.000 claims abstract description 5
150000001845 chromium compounds Chemical class 0.000 claims abstract description 5
229910052783 alkali metal Inorganic materials 0.000 claims abstract description 3
238000000034 method Methods 0.000 claims description 38
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
239000003638 chemical reducing agent Substances 0.000 claims description 13
LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 6
235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 4
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical group 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 claims description 2
238000004519 manufacturing process Methods 0.000 claims description 2
DJEHXEMURTVAOE-UHFFFAOYSA-M potassium bisulfite Chemical compound [K+].OS([O-])=O DJEHXEMURTVAOE-UHFFFAOYSA-M 0.000 claims description 2
229940099427 potassium bisulfite Drugs 0.000 claims description 2
235000010259 potassium hydrogen sulphite Nutrition 0.000 claims description 2
229910052708 sodium Inorganic materials 0.000 claims description 2
239000011734 sodium Substances 0.000 claims description 2
239000003973 paint Substances 0.000 abstract description 9
WBJZTOZJJYAKHQ-UHFFFAOYSA-K iron(3+) phosphate Chemical compound [Fe+3].[O-]P([O-])([O-])=O WBJZTOZJJYAKHQ-UHFFFAOYSA-K 0.000 abstract description 7
238000005260 corrosion Methods 0.000 abstract description 6
230000007797 corrosion Effects 0.000 abstract description 6
229910000398 iron phosphate Inorganic materials 0.000 abstract description 6
239000003344 environmental pollutant Substances 0.000 abstract description 4
231100000719 pollutant Toxicity 0.000 abstract description 4
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 15
238000006722 reduction reaction Methods 0.000 description 9
239000008199 coating composition Substances 0.000 description 6
ZCDOYSPFYFSLEW-UHFFFAOYSA-N chromate(2-) Chemical compound [O-][Cr]([O-])(=O)=O ZCDOYSPFYFSLEW-UHFFFAOYSA-N 0.000 description 5
XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 5
239000000047 product Substances 0.000 description 5
RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
229910019142 PO4 Inorganic materials 0.000 description 3
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
239000002253 acid Substances 0.000 description 3
230000015572 biosynthetic process Effects 0.000 description 3
PHFQLYPOURZARY-UHFFFAOYSA-N chromium trinitrate Chemical compound [Cr+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O PHFQLYPOURZARY-UHFFFAOYSA-N 0.000 description 3
239000012141 concentrate Substances 0.000 description 3
235000008504 concentrate Nutrition 0.000 description 3
229910052742 iron Inorganic materials 0.000 description 3
150000002739 metals Chemical class 0.000 description 3
235000021317 phosphate Nutrition 0.000 description 3
239000007921 spray Substances 0.000 description 3
238000005507 spraying Methods 0.000 description 3
239000000126 substance Substances 0.000 description 3
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
QIGBRXMKCJKVMJ-UHFFFAOYSA-N Hydroquinone Chemical compound OC1=CC=C(O)C=C1 QIGBRXMKCJKVMJ-UHFFFAOYSA-N 0.000 description 2
229920000877 Melamine resin Polymers 0.000 description 2
DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 description 2
FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
230000002378 acidificating effect Effects 0.000 description 2
238000003556 assay Methods 0.000 description 2
230000001680 brushing effect Effects 0.000 description 2
239000003153 chemical reaction reagent Substances 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
238000004140 cleaning Methods 0.000 description 2
210000003298 dental enamel Anatomy 0.000 description 2
238000010790 dilution Methods 0.000 description 2
239000012895 dilution Substances 0.000 description 2
238000007598 dipping method Methods 0.000 description 2
239000000463 material Substances 0.000 description 2
239000000203 mixture Substances 0.000 description 2
NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
239000010452 phosphate Substances 0.000 description 2
238000007746 phosphate conversion coating Methods 0.000 description 2
238000007761 roller coating Methods 0.000 description 2
238000003756 stirring Methods 0.000 description 2
239000004094 surface-active agent Substances 0.000 description 2
LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 2
VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
229910021555 Chromium Chloride Inorganic materials 0.000 description 1
235000008733 Citrus aurantifolia Nutrition 0.000 description 1
239000004593 Epoxy Substances 0.000 description 1
229910001335 Galvanized steel Inorganic materials 0.000 description 1
NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 1
239000004372 Polyvinyl alcohol Substances 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
235000011941 Tilia x europaea Nutrition 0.000 description 1
LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
229960000583 acetic acid Drugs 0.000 description 1
NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
239000003513 alkali Substances 0.000 description 1
229910001516 alkali metal iodide Inorganic materials 0.000 description 1
229920000180 alkyd Polymers 0.000 description 1
239000000908 ammonium hydroxide Substances 0.000 description 1
239000002585 base Substances 0.000 description 1
238000007664 blowing Methods 0.000 description 1
238000006243 chemical reaction Methods 0.000 description 1
239000003795 chemical substances by application Substances 0.000 description 1
XTEGARKTQYYJKE-UHFFFAOYSA-N chloric acid Chemical compound OCl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-N 0.000 description 1
150000001844 chromium Chemical class 0.000 description 1
QSWDMMVNRMROPK-UHFFFAOYSA-K chromium(3+) trichloride Chemical compound [Cl-].[Cl-].[Cl-].[Cr+3] QSWDMMVNRMROPK-UHFFFAOYSA-K 0.000 description 1
GRWVQDDAKZFPFI-UHFFFAOYSA-H chromium(III) sulfate Chemical compound [Cr+3].[Cr+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O GRWVQDDAKZFPFI-UHFFFAOYSA-H 0.000 description 1
239000010960 cold rolled steel Substances 0.000 description 1
239000000084 colloidal system Substances 0.000 description 1
238000001816 cooling Methods 0.000 description 1
230000003247 decreasing effect Effects 0.000 description 1
SOCTUWSJJQCPFX-UHFFFAOYSA-N dichromate(2-) Chemical compound [O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O SOCTUWSJJQCPFX-UHFFFAOYSA-N 0.000 description 1
238000007865 diluting Methods 0.000 description 1
238000001035 drying Methods 0.000 description 1
239000004744 fabric Substances 0.000 description 1
239000008397 galvanized steel Substances 0.000 description 1
239000012362 glacial acetic acid Substances 0.000 description 1
239000004519 grease Substances 0.000 description 1
125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
238000007654 immersion Methods 0.000 description 1
JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
239000004922 lacquer Substances 0.000 description 1
239000004571 lime Substances 0.000 description 1
JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
229910001463 metal phosphate Inorganic materials 0.000 description 1
WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
239000002736 nonionic surfactant Substances 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
229920002451 polyvinyl alcohol Polymers 0.000 description 1
239000000843 powder Substances 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
238000001556 precipitation Methods 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000000746 purification Methods 0.000 description 1
229920005989 resin Polymers 0.000 description 1
239000011347 resin Substances 0.000 description 1
239000012266 salt solution Substances 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000011780 sodium chloride Substances 0.000 description 1
239000001488 sodium phosphate Substances 0.000 description 1
229910000162 sodium phosphate Inorganic materials 0.000 description 1
239000007787 solid Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
229920003002 synthetic resin Polymers 0.000 description 1
239000000057 synthetic resin Substances 0.000 description 1
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
229940116269 uric acid Drugs 0.000 description 1
239000002966 varnish Substances 0.000 description 1
238000003911 water pollution Methods 0.000 description 1
229910000165 zinc phosphate 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
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/53—Treatment of zinc or alloys based thereon
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/06—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6
- C23C22/48—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- 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
- 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)
Application Of Or Painting With Fluid Materials (AREA)

CA228,380A 1974-06-17 1975-06-03 Traitement de surfaces metalliques aux solutions trivalentes de chrome Expired CA1046912A (fr)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date
US47969774A	1974-06-17	1974-06-17
US50389174A	1974-09-06	1974-09-06
US55489675A	1975-03-03	1975-03-03

Publications (1)

Publication Number	Publication Date
CA1046912A true CA1046912A (fr)	1979-01-23

Family

ID=27413496

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA228,380A Expired CA1046912A (fr)	1974-06-17	1975-06-03	Traitement de surfaces metalliques aux solutions trivalentes de chrome

Country Status (5)

Country	Link
JP (1)	JPS5123445A (fr)
CA (1)	CA1046912A (fr)
DE (1)	DE2526832A1 (fr)
FR (1)	FR2274706A1 (fr)
GB (1)	GB1461244A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP3392008B2 (ja)	1996-10-30	2003-03-31	日本表面化学株式会社	金属の保護皮膜形成処理剤と処理方法
US4171231A (en) *	1978-04-27	1979-10-16	R. O. Hull & Company, Inc.	Coating solutions of trivalent chromium for coating zinc surfaces
US4263059A (en) *	1979-12-21	1981-04-21	Rohco, Inc.	Coating solutions of trivalent chromium for coating zinc and cadmium surfaces
CA1228000A (fr) *	1981-04-16	1987-10-13	David E. Crotty	Solution et procede de passivation, donnant un aspect chrome
FR2520758A1 (fr) *	1982-01-29	1983-08-05	Produits Ind Cie Fse	Composition et procede pour le traitement de surfaces metalliques phosphatees
DE3429532A1 (de) *	1984-08-10	1986-02-20	Gerhard Collardin GmbH, 5000 Köln	Verfahren zur passivierung von blei- und bleihaltigen oberflaechen
US5415702A (en) *	1993-09-02	1995-05-16	Mcgean-Rohco, Inc.	Black chromium-containing conversion coatings on zinc-nickel and zinc-iron alloys
US5393353A (en) *	1993-09-16	1995-02-28	Mcgean-Rohco, Inc.	Chromium-free black zinc-nickel alloy surfaces
US5393354A (en) *	1993-10-07	1995-02-28	Mcgean-Rohco, Inc.	Iridescent chromium coatings and method
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
US6190464B1 (en)	1998-09-24	2001-02-20	Nisshin Steel Co., Ltd.	Chromating solution and chromated metal sheet
US7101469B2 (en)	2004-11-10	2006-09-05	Atotech Deutschland Gmbh	Metal pieces and articles having improved corrosion resistance
EP3569734A1 (fr)	2018-05-18	2019-11-20	Henkel AG & Co. KGaA	Composition de passivation à base de chrome trivalent
ES2984399T3 (es)	2018-12-05	2024-10-29	Henkel Ag & Co Kgaa	Composición de pasivación basada en mezclas de ácidos fosfórico y fosfónico
WO2021139955A1 (fr)	2020-01-06	2021-07-15	Henkel Ag & Co. Kgaa	Composition de passivation appropriée pour des surfaces internes de réservoirs d'acier revêtus de zinc stockant des hydrocarbures
CN112663037B (zh) *	2020-12-04	2023-02-03	佛山市顺德区美硕金属表面技术有限公司	陶化剂、其制备方法和应用
WO2022148536A1 (fr)	2021-01-06	2022-07-14	Henkel Ag & Co. Kgaa	Passivation améliorée à base de cr(iii) pour un acier revêtu de zinc-aluminium
GB2603194A (en)	2021-02-01	2022-08-03	Henkel Ag & Co Kgaa	Improved cr(iii) based dry-in-place coating composition for zinc coated steel

1975
- 1975-05-12 GB GB1989075A patent/GB1461244A/en not_active Expired
- 1975-06-03 CA CA228,380A patent/CA1046912A/fr not_active Expired
- 1975-06-13 FR FR7518549A patent/FR2274706A1/fr active Granted
- 1975-06-16 JP JP7210775A patent/JPS5123445A/ja active Pending
- 1975-06-16 DE DE19752526832 patent/DE2526832A1/de active Pending

Also Published As

Publication number	Publication date
FR2274706B1 (fr)	1979-06-15
GB1461244A (en)	1977-01-13
DE2526832A1 (de)	1976-01-02
JPS5123445A (en)	1976-02-25
FR2274706A1 (fr)	1976-01-09

Publication	Publication Date	Title
CA1046912A (fr)	1979-01-23	Traitement de surfaces metalliques aux solutions trivalentes de chrome
US5393354A (en)	1995-02-28	Iridescent chromium coatings and method
US4263059A (en)	1981-04-21	Coating solutions of trivalent chromium for coating zinc and cadmium surfaces
US4171231A (en)	1979-10-16	Coating solutions of trivalent chromium for coating zinc surfaces
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