CA1215671A - Thiazole addition agents for trivalent chromium electrolytes - Google Patents
Thiazole addition agents for trivalent chromium electrolytesInfo
- Publication number
- CA1215671A CA1215671A CA000432828A CA432828A CA1215671A CA 1215671 A CA1215671 A CA 1215671A CA 000432828 A CA000432828 A CA 000432828A CA 432828 A CA432828 A CA 432828A CA 1215671 A CA1215671 A CA 1215671A
- Authority
- CA
- Canada
- Prior art keywords
- electrolyte
- ions
- chromium
- additive agent
- alkyl
- 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
- 239000003792 electrolyte Substances 0.000 title claims abstract description 114
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 86
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 86
- 239000011651 chromium Substances 0.000 title claims abstract description 86
- 239000003795 chemical substances by application Substances 0.000 title claims abstract description 76
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 title abstract description 7
- 239000000654 additive Substances 0.000 claims abstract description 57
- 230000000996 additive effect Effects 0.000 claims abstract description 57
- 229910021645 metal ion Inorganic materials 0.000 claims abstract description 45
- -1 benzothiazole com-pounds Chemical class 0.000 claims abstract description 30
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000008569 process Effects 0.000 claims abstract description 17
- 230000002939 deleterious effect Effects 0.000 claims abstract description 13
- 230000000694 effects Effects 0.000 claims abstract description 13
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 238000009825 accumulation Methods 0.000 claims abstract description 8
- 230000002378 acidificating effect Effects 0.000 claims abstract description 7
- 239000002659 electrodeposit Substances 0.000 claims abstract description 6
- 230000003716 rejuvenation Effects 0.000 claims abstract description 6
- 230000002950 deficient Effects 0.000 claims abstract description 5
- 229940107218 chromium Drugs 0.000 claims abstract 16
- 235000012721 chromium Nutrition 0.000 claims abstract 16
- 206010052804 Drug tolerance Diseases 0.000 claims abstract 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 61
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 27
- 229910052759 nickel Inorganic materials 0.000 claims description 24
- 229910001453 nickel ion Inorganic materials 0.000 claims description 21
- 229910001430 chromium ion Inorganic materials 0.000 claims description 18
- 229910052742 iron Inorganic materials 0.000 claims description 17
- RAIPHJJURHTUIC-UHFFFAOYSA-N 1,3-thiazol-2-amine Chemical compound NC1=NC=CS1 RAIPHJJURHTUIC-UHFFFAOYSA-N 0.000 claims description 12
- 229910001431 copper ion Inorganic materials 0.000 claims description 11
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims description 10
- 230000001376 precipitating effect Effects 0.000 claims description 10
- 150000004820 halides Chemical class 0.000 claims description 9
- 150000002500 ions Chemical class 0.000 claims description 9
- 239000002244 precipitate Substances 0.000 claims description 8
- 150000003839 salts Chemical class 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- UHGULLIUJBCTEF-UHFFFAOYSA-N 2-aminobenzothiazole Chemical compound C1=CC=C2SC(N)=NC2=C1 UHGULLIUJBCTEF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 5
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 claims description 4
- 230000001627 detrimental effect Effects 0.000 claims description 4
- PYDIDZSQEZLSGN-UHFFFAOYSA-N propane-1-sulfonic acid;1,3-thiazol-2-amine Chemical compound NC1=NC=CS1.CCCS(O)(=O)=O PYDIDZSQEZLSGN-UHFFFAOYSA-N 0.000 claims description 4
- 239000002253 acid Substances 0.000 claims description 3
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 229940116901 diethyldithiocarbamate Drugs 0.000 claims description 2
- 229910001456 vanadium ion Inorganic materials 0.000 claims description 2
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims 25
- JCXJVPUVTGWSNB-UHFFFAOYSA-N Nitrogen dioxide Chemical compound O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 claims 5
- MDFFNEOEWAXZRQ-UHFFFAOYSA-N aminyl Chemical compound [NH2] MDFFNEOEWAXZRQ-UHFFFAOYSA-N 0.000 claims 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 5
- FKDALGKIRKFEDH-UHFFFAOYSA-N 3h-1,3-benzothiazole-2-thione;propane-2-sulfonic acid Chemical compound CC(C)S(O)(=O)=O.C1=CC=C2SC(=S)NC2=C1 FKDALGKIRKFEDH-UHFFFAOYSA-N 0.000 claims 3
- 239000008139 complexing agent Substances 0.000 claims 3
- 238000004070 electrodeposition Methods 0.000 claims 1
- 239000004094 surface-active agent Substances 0.000 claims 1
- 238000007747 plating Methods 0.000 abstract description 30
- IOJUPLGTWVMSFF-UHFFFAOYSA-N cyclobenzothiazole Natural products C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 abstract description 11
- 230000002411 adverse Effects 0.000 abstract description 5
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 3
- 230000000750 progressive effect Effects 0.000 abstract description 3
- 239000000356 contaminant Substances 0.000 abstract 1
- 238000011282 treatment Methods 0.000 description 13
- 229920000180 alkyd Polymers 0.000 description 11
- 238000011109 contamination Methods 0.000 description 10
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 8
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 8
- 239000000080 wetting agent Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 7
- 230000009931 harmful effect Effects 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 4
- 239000004327 boric acid Substances 0.000 description 4
- 150000007942 carboxylates Chemical class 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 4
- 238000005755 formation reaction Methods 0.000 description 4
- 239000011133 lead Substances 0.000 description 4
- HIGSLXSBYYMVKI-UHFFFAOYSA-N pralidoxime chloride Chemical compound [Cl-].C[N+]1=CC=CC=C1\C=N\O HIGSLXSBYYMVKI-UHFFFAOYSA-N 0.000 description 4
- BDHFUVZGWQCTTF-UHFFFAOYSA-M sulfonate Chemical compound [O-]S(=O)=O BDHFUVZGWQCTTF-UHFFFAOYSA-M 0.000 description 4
- 229910052725 zinc Inorganic materials 0.000 description 4
- 239000011701 zinc Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 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 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000006172 buffering agent Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000009713 electroplating Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000000873 masking effect Effects 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 239000000758 substrate Substances 0.000 description 3
- VVMFGIADXJKUGA-UHFFFAOYSA-N 1,3-benzothiazole propane-2-sulfonic acid Chemical compound CC(C)S(=O)(=O)O.S1C=NC2=C1C=CC=C2 VVMFGIADXJKUGA-UHFFFAOYSA-N 0.000 description 2
- XMXLBDNVSIHRRA-UHFFFAOYSA-N 4,5-dimethyl-1,3-thiazol-2-amine Chemical compound CC=1N=C(N)SC=1C XMXLBDNVSIHRRA-UHFFFAOYSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical class [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 235000018936 Vitellaria paradoxa Nutrition 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910052784 alkaline earth metal Inorganic materials 0.000 description 2
- 150000001342 alkaline earth metals Chemical class 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- LMBWSYZSUOEYSN-UHFFFAOYSA-N diethyldithiocarbamic acid Chemical compound CCN(CC)C(S)=S LMBWSYZSUOEYSN-UHFFFAOYSA-N 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000008151 electrolyte solution Substances 0.000 description 2
- 229940021013 electrolyte solution Drugs 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 150000003467 sulfuric acid derivatives Chemical class 0.000 description 2
- 229910052720 vanadium Inorganic materials 0.000 description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 2
- NMRPBPVERJPACX-UHFFFAOYSA-N (3S)-octan-3-ol Natural products CCCCCC(O)CC NMRPBPVERJPACX-UHFFFAOYSA-N 0.000 description 1
- WOFPPJOZXUTRAU-UHFFFAOYSA-N 2-Ethyl-1-hexanol Natural products CCCCC(O)CCC WOFPPJOZXUTRAU-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 235000017858 Laurus nobilis Nutrition 0.000 description 1
- 241000282320 Panthera leo Species 0.000 description 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- ULUAUXLGCMPNKK-UHFFFAOYSA-N Sulfobutanedioic acid Chemical class OC(=O)CC(C(O)=O)S(O)(=O)=O ULUAUXLGCMPNKK-UHFFFAOYSA-N 0.000 description 1
- 235000005212 Terminalia tomentosa Nutrition 0.000 description 1
- 244000125380 Terminalia tomentosa Species 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- VZTDIZULWFCMLS-UHFFFAOYSA-N ammonium formate Chemical compound [NH4+].[O-]C=O VZTDIZULWFCMLS-UHFFFAOYSA-N 0.000 description 1
- 150000003863 ammonium salts Chemical class 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
- 238000004458 analytical method Methods 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002518 antifoaming agent Substances 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- LJAOOBNHPFKCDR-UHFFFAOYSA-K chromium(3+) trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].[Cl-].[Cl-].[Cr+3] LJAOOBNHPFKCDR-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
- 239000003245 coal Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- MZGNSEAPZQGJRB-UHFFFAOYSA-N dimethyldithiocarbamic acid Chemical compound CN(C)C(S)=S MZGNSEAPZQGJRB-UHFFFAOYSA-N 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 229950004394 ditiocarb Drugs 0.000 description 1
- 239000012799 electrically-conductive coating Substances 0.000 description 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- PIJPYDMVFNTHIP-UHFFFAOYSA-L lead sulfate Chemical class [PbH4+2].[O-]S([O-])(=O)=O PIJPYDMVFNTHIP-UHFFFAOYSA-L 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229910052700 potassium Inorganic materials 0.000 description 1
- 239000011591 potassium Substances 0.000 description 1
- 235000011151 potassium sulphates Nutrition 0.000 description 1
- HNDXKIMMSFCCFW-UHFFFAOYSA-M propane-2-sulfonate Chemical compound CC(C)S([O-])(=O)=O HNDXKIMMSFCCFW-UHFFFAOYSA-M 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 229910001495 sodium tetrafluoroborate Inorganic materials 0.000 description 1
- RTVVXRKGQRRXFJ-UHFFFAOYSA-N sodium;2-sulfobutanedioic acid Chemical compound [Na].OC(=O)CC(C(O)=O)S(O)(=O)=O RTVVXRKGQRRXFJ-UHFFFAOYSA-N 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000012085 test solution Substances 0.000 description 1
- 150000007979 thiazole derivatives Chemical class 0.000 description 1
- 210000003708 urethra Anatomy 0.000 description 1
- 150000003681 vanadium Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/06—Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
- C25D21/18—Regeneration of process solutions of electrolytes
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S204/00—Chemistry: electrical and wave energy
- Y10S204/13—Purification and treatment of electroplating baths and plating wastes
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/902—Materials removed
- Y10S210/911—Cumulative poison
- Y10S210/912—Heavy metal
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US403,196 | 1982-07-29 | ||
| US06/403,196 US4432843A (en) | 1982-07-29 | 1982-07-29 | Trivalent chromium electroplating baths and processes using thiazole addition agents |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1215671A true CA1215671A (en) | 1986-12-23 |
Family
ID=23594837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000432828A Expired CA1215671A (en) | 1982-07-29 | 1983-07-20 | Thiazole addition agents for trivalent chromium electrolytes |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4432843A (OSRAM) |
| JP (1) | JPS5941487A (OSRAM) |
| AU (1) | AU544982B2 (OSRAM) |
| CA (1) | CA1215671A (OSRAM) |
| DE (1) | DE3326982C2 (OSRAM) |
| FR (1) | FR2531107B1 (OSRAM) |
| GB (1) | GB2124656B (OSRAM) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2040809C (en) * | 1990-04-30 | 2000-09-26 | Bradley D. Reynolds | Apparatus and process to regenerate a trivalent chromium bath |
| US5269905A (en) * | 1990-04-30 | 1993-12-14 | Elf Atochem North America, Inc. | Apparatus and process to regenerate a trivalent chromium bath |
| US5196109A (en) * | 1991-08-01 | 1993-03-23 | Geoffrey Scott | Trivalent chromium electrolytes and plating processes employing same |
| US6736954B2 (en) * | 2001-10-02 | 2004-05-18 | Shipley Company, L.L.C. | Plating bath and method for depositing a metal layer on a substrate |
| JP5050048B2 (ja) * | 2006-03-31 | 2012-10-17 | アトテック・ドイチュラント・ゲーエムベーハー | 結晶質クロム堆積物 |
| WO2009046181A1 (en) * | 2007-10-02 | 2009-04-09 | Atotech Deutschland Gmbh | Crystalline chromium alloy deposit |
| JP5218742B2 (ja) * | 2008-03-07 | 2013-06-26 | 奥野製薬工業株式会社 | ３価クロムめっき浴の金属不純物除去方法 |
| US9765437B2 (en) | 2009-03-24 | 2017-09-19 | Roderick D. Herdman | Chromium alloy coating with enhanced resistance to corrosion in calcium chloride environments |
| BR122019020336B1 (pt) | 2011-05-03 | 2020-08-11 | Atotech Deutschland Gmbh | Banho de galvanização e método eletrodeposição de uma camada de cromo escuro em uma peça de trabalho |
| US20130220819A1 (en) * | 2012-02-27 | 2013-08-29 | Faraday Technology, Inc. | Electrodeposition of chromium from trivalent chromium using modulated electric fields |
| CN102965696B (zh) * | 2012-11-28 | 2015-05-20 | 郑州市大有制版有限公司 | 高效凹版镀铬添加剂 |
| EP3147388A1 (en) | 2015-09-25 | 2017-03-29 | Enthone, Incorporated | Flexible color adjustment for dark cr(iii)-platings |
| JP7737375B2 (ja) * | 2019-12-18 | 2025-09-10 | アトテック ドイチェランド ゲーエムベーハー ウント コ カーゲー | 三価クロム電気めっき浴中の鉄イオンの濃度を低減させるための方法 |
| EP4656775A1 (de) * | 2024-05-29 | 2025-12-03 | topocrom systems AG | Korrosionsbeständige cr(iii)-beschichtung |
| GB202409943D0 (en) | 2024-07-09 | 2024-08-21 | Macdermid Inc | Trivalent chromium plating bath and method of electroplating an article |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1447970A (fr) * | 1964-10-12 | 1966-08-05 | Renault | Dépôts de chrome décoratif résistant à la corrosion |
| US3518171A (en) * | 1969-07-24 | 1970-06-30 | Metalux Corp The | Purification of nickel electroplating solutions |
| US3755161A (en) * | 1970-02-05 | 1973-08-28 | Osaka Soda Co Ltd | Treatment process for removal of metals and treating agent therefor |
| US4053400A (en) * | 1973-09-20 | 1977-10-11 | The Metalux Corporation | Purification of nickel and cobalt electroplating solutions |
| US3857765A (en) * | 1973-09-20 | 1974-12-31 | Metalux Corp | Purification of nickel and cobalt electroplating solutions |
| GB1455580A (en) * | 1973-12-13 | 1976-11-17 | Albright & Wilson | Electrodeposition of chromium |
| GB1558169A (en) * | 1975-07-03 | 1979-12-19 | Albright & Wilson | Chromium electroplating |
| FR2319721A1 (fr) * | 1975-07-03 | 1977-02-25 | Albright & Wilson | Procede pour la conservation ou le maintien des caracteristiques d'un bain d'electrodeposition a base de chrome trivalent, reactif pour tester un tel bain et procede d'obtention |
| JPS5845992B2 (ja) * | 1976-08-20 | 1983-10-13 | 城北化学工業株式会社 | ジアルキルジチオカルバミン酸鉄を用いる水溶液中の重金属の除去法 |
| US4392922A (en) * | 1980-11-10 | 1983-07-12 | Occidental Chemical Corporation | Trivalent chromium electrolyte and process employing vanadium reducing agent |
-
1982
- 1982-07-29 US US06/403,196 patent/US4432843A/en not_active Expired - Fee Related
-
1983
- 1983-07-20 AU AU17128/83A patent/AU544982B2/en not_active Ceased
- 1983-07-20 CA CA000432828A patent/CA1215671A/en not_active Expired
- 1983-07-26 GB GB08320068A patent/GB2124656B/en not_active Expired
- 1983-07-27 FR FR8312434A patent/FR2531107B1/fr not_active Expired
- 1983-07-27 JP JP58137445A patent/JPS5941487A/ja active Granted
- 1983-07-27 DE DE3326982A patent/DE3326982C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3326982A1 (de) | 1984-02-09 |
| GB2124656A (en) | 1984-02-22 |
| DE3326982C2 (de) | 1987-03-19 |
| FR2531107A1 (fr) | 1984-02-03 |
| US4432843A (en) | 1984-02-21 |
| AU544982B2 (en) | 1985-06-27 |
| AU1712883A (en) | 1984-02-02 |
| FR2531107B1 (fr) | 1988-02-26 |
| JPS5941487A (ja) | 1984-03-07 |
| GB2124656B (en) | 1986-01-02 |
| GB8320068D0 (en) | 1983-08-24 |
| JPH0317911B2 (OSRAM) | 1991-03-11 |
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Legal Events
| Date | Code | Title | Description |
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| MKEX | Expiry |