EP4077770A1 - Galvanisierzusammensetzung und verfahren zum abscheiden einer chrombeschichtung auf einem substrat - Google Patents
Galvanisierzusammensetzung und verfahren zum abscheiden einer chrombeschichtung auf einem substratInfo
- Publication number
- EP4077770A1 EP4077770A1 EP20838402.4A EP20838402A EP4077770A1 EP 4077770 A1 EP4077770 A1 EP 4077770A1 EP 20838402 A EP20838402 A EP 20838402A EP 4077770 A1 EP4077770 A1 EP 4077770A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electroplating composition
- electroplating
- substrate
- preferred
- present
- 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.)
- Pending
Links
- 238000009713 electroplating Methods 0.000 title claims abstract description 181
- 239000000203 mixture Substances 0.000 title claims abstract description 180
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 239000011651 chromium Substances 0.000 title claims abstract description 76
- 229910052804 chromium Inorganic materials 0.000 title claims abstract description 75
- 238000000576 coating method Methods 0.000 title claims abstract description 64
- 239000000758 substrate Substances 0.000 title claims abstract description 59
- 239000011248 coating agent Substances 0.000 title claims abstract description 58
- 238000000151 deposition Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 69
- 150000002009 diols Chemical class 0.000 claims abstract description 56
- 239000000654 additive Substances 0.000 claims abstract description 36
- 229910001430 chromium ion Inorganic materials 0.000 claims abstract description 36
- 230000000996 additive effect Effects 0.000 claims abstract description 31
- 150000002334 glycols Chemical class 0.000 claims abstract description 21
- 239000008139 complexing agent Substances 0.000 claims abstract description 13
- KWIUHFFTVRNATP-UHFFFAOYSA-N Betaine Natural products C[N+](C)(C)CC([O-])=O KWIUHFFTVRNATP-UHFFFAOYSA-N 0.000 claims description 19
- KWIUHFFTVRNATP-UHFFFAOYSA-O N,N,N-trimethylglycinium Chemical compound C[N+](C)(C)CC(O)=O KWIUHFFTVRNATP-UHFFFAOYSA-O 0.000 claims description 19
- 229960003237 betaine Drugs 0.000 claims description 19
- 125000004432 carbon atom Chemical group C* 0.000 claims description 19
- -1 N-Oc- tadecyl-N Chemical compound 0.000 claims description 15
- 229910052757 nitrogen Inorganic materials 0.000 claims description 8
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 4
- 230000005595 deprotonation Effects 0.000 claims description 3
- 238000010537 deprotonation reaction Methods 0.000 claims description 3
- 125000001273 sulfonato group Chemical group [O-]S(*)(=O)=O 0.000 claims description 3
- WKALLSVICJPZTM-UHFFFAOYSA-N 3-[decyl(dimethyl)azaniumyl]propane-1-sulfonate Chemical compound CCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O WKALLSVICJPZTM-UHFFFAOYSA-N 0.000 claims description 2
- QZRAABPTWGFNIU-UHFFFAOYSA-N 3-[dimethyl(octyl)azaniumyl]propane-1-sulfonate Chemical compound CCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O QZRAABPTWGFNIU-UHFFFAOYSA-N 0.000 claims description 2
- TUBRCQBRKJXJEA-UHFFFAOYSA-N 3-[hexadecyl(dimethyl)azaniumyl]propane-1-sulfonate Chemical compound CCCCCCCCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O TUBRCQBRKJXJEA-UHFFFAOYSA-N 0.000 claims description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims description 2
- BHATUINFZWUDIX-UHFFFAOYSA-N Zwittergent 3-14 Chemical compound CCCCCCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O BHATUINFZWUDIX-UHFFFAOYSA-N 0.000 claims description 2
- 150000007942 carboxylates Chemical group 0.000 claims description 2
- DVEKCXOJTLDBFE-UHFFFAOYSA-N n-dodecyl-n,n-dimethylglycinate Chemical compound CCCCCCCCCCCC[N+](C)(C)CC([O-])=O DVEKCXOJTLDBFE-UHFFFAOYSA-N 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- GYJNVSAUBGJVLV-UHFFFAOYSA-N 3-(dimethylazaniumyl)propane-1-sulfonate Chemical compound CN(C)CCCS(O)(=O)=O GYJNVSAUBGJVLV-UHFFFAOYSA-N 0.000 claims 1
- 235000012721 chromium Nutrition 0.000 description 67
- 229940107218 chromium Drugs 0.000 description 67
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 18
- 150000001875 compounds Chemical class 0.000 description 17
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 150000003839 salts Chemical class 0.000 description 12
- JOPOVCBBYLSVDA-UHFFFAOYSA-N chromium(6+) Chemical compound [Cr+6] JOPOVCBBYLSVDA-UHFFFAOYSA-N 0.000 description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 9
- 229910052799 carbon Inorganic materials 0.000 description 8
- 238000002474 experimental method Methods 0.000 description 8
- 150000001408 amides Chemical class 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 6
- 125000000217 alkyl group Chemical group 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 229910052796 boron Inorganic materials 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 150000002148 esters Chemical class 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 125000001424 substituent group Chemical group 0.000 description 6
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 5
- 238000005275 alloying Methods 0.000 description 5
- 229910052742 iron Inorganic materials 0.000 description 5
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 5
- 229910052717 sulfur Inorganic materials 0.000 description 5
- 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 4
- 229910000990 Ni alloy Inorganic materials 0.000 description 4
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 4
- 239000002518 antifoaming agent Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 150000001768 cations Chemical class 0.000 description 4
- 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 4
- 150000002894 organic compounds Chemical class 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 229920001223 polyethylene glycol Polymers 0.000 description 4
- 229910052700 potassium Inorganic materials 0.000 description 4
- 239000011591 potassium Substances 0.000 description 4
- 239000002244 precipitate Substances 0.000 description 4
- 229910052708 sodium Inorganic materials 0.000 description 4
- 239000011734 sodium Substances 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 3
- 229910000599 Cr alloy Inorganic materials 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 3
- 230000002378 acidificating effect Effects 0.000 description 3
- 229910052783 alkali metal Inorganic materials 0.000 description 3
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 3
- 239000004327 boric acid Substances 0.000 description 3
- 239000000788 chromium alloy Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- 238000004070 electrodeposition Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229920001515 polyalkylene glycol Polymers 0.000 description 3
- 229960004063 propylene glycol Drugs 0.000 description 3
- 235000013772 propylene glycol Nutrition 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000002202 Polyethylene glycol Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 150000001340 alkali metals Chemical class 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052729 chemical element Inorganic materials 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229940108928 copper Drugs 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000004442 gravimetric analysis Methods 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- DNIAPMSPPWPWGF-VKHMYHEASA-N (+)-propylene glycol Chemical compound C[C@H](O)CO DNIAPMSPPWPWGF-VKHMYHEASA-N 0.000 description 1
- 125000006732 (C1-C15) alkyl group Chemical group 0.000 description 1
- 125000003837 (C1-C20) alkyl group Chemical group 0.000 description 1
- 125000006527 (C1-C5) alkyl group Chemical group 0.000 description 1
- YPFDHNVEDLHUCE-UHFFFAOYSA-N 1,3-propanediol Substances OCCCO YPFDHNVEDLHUCE-UHFFFAOYSA-N 0.000 description 1
- 229940035437 1,3-propanediol Drugs 0.000 description 1
- CQZXCLFDXWOTOC-UHFFFAOYSA-N 3,3,4-trimethylundecane-2,2-diol Chemical compound CCCCCCCC(C)C(C)(C)C(C)(O)O CQZXCLFDXWOTOC-UHFFFAOYSA-N 0.000 description 1
- DIROHOMJLWMERM-UHFFFAOYSA-N 3-[dimethyl(octadecyl)azaniumyl]propane-1-sulfonate Chemical compound CCCCCCCCCCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O DIROHOMJLWMERM-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- 229910021555 Chromium Chloride Inorganic materials 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 1
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 1
- VEQPNABPJHWNSG-UHFFFAOYSA-N Nickel(2+) Chemical compound [Ni+2] VEQPNABPJHWNSG-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- PTFCDOFLOPIGGS-UHFFFAOYSA-N Zinc dication Chemical compound [Zn+2] PTFCDOFLOPIGGS-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 150000007933 aliphatic carboxylic acids Chemical class 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 229910001417 caesium ion Inorganic materials 0.000 description 1
- 150000001721 carbon Chemical group 0.000 description 1
- 150000001735 carboxylic acids 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
- DSHWASKZZBZKOE-UHFFFAOYSA-K chromium(3+);hydroxide;sulfate Chemical compound [OH-].[Cr+3].[O-]S([O-])(=O)=O DSHWASKZZBZKOE-UHFFFAOYSA-K 0.000 description 1
- 229910000356 chromium(III) sulfate Inorganic materials 0.000 description 1
- 235000015217 chromium(III) sulphate Nutrition 0.000 description 1
- 239000011696 chromium(III) sulphate Substances 0.000 description 1
- 229940000425 combination drug Drugs 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- QUQFTIVBFKLPCL-UHFFFAOYSA-L copper;2-amino-3-[(2-amino-2-carboxylatoethyl)disulfanyl]propanoate Chemical compound [Cu+2].[O-]C(=O)C(N)CSSCC(N)C([O-])=O QUQFTIVBFKLPCL-UHFFFAOYSA-L 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- KLMCZVJOEAUDNE-UHFFFAOYSA-N francium atom Chemical compound [Fr] KLMCZVJOEAUDNE-UHFFFAOYSA-N 0.000 description 1
- 229910001418 francium ion Inorganic materials 0.000 description 1
- 125000003827 glycol group Chemical group 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000002608 ionic liquid Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- IZWSFJTYBVKZNK-UHFFFAOYSA-N lauryl sulfobetaine Chemical compound CCCCCCCCCCCC[N+](C)(C)CCCS([O-])(=O)=O IZWSFJTYBVKZNK-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 229910003455 mixed metal oxide Inorganic materials 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910001453 nickel ion Inorganic materials 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 150000002891 organic anions Chemical class 0.000 description 1
- 229960003903 oxygen Drugs 0.000 description 1
- 229940093430 polyethylene glycol 1500 Drugs 0.000 description 1
- 229940113115 polyethylene glycol 200 Drugs 0.000 description 1
- 229940057847 polyethylene glycol 600 Drugs 0.000 description 1
- 229920000166 polytrimethylene carbonate Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 1
- 229910001419 rubidium ion Inorganic materials 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000004434 sulfur atom Chemical group 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 239000011135 tin Substances 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 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
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/04—Electroplating: Baths therefor from solutions of chromium
- C25D3/10—Electroplating: Baths therefor from solutions of chromium characterised by the organic bath constituents used
Definitions
- WO 2018/185154 A1 discloses a method for electrolytically depositing a chro mium or chromium alloy coating on a substrate.
- US 4,009,085 discloses lubricating compositions and a process for treating a metal sheet to impart lubricity and abrasion resistance thereto.
- US 3,432,408 A relates to the prevention of mist and spray in acidic hexavalent electroplating baths.
- At least one complexing agent for the trivalent chromium ions at least one additive selected from the group consisting of betaines, polymeric glycols, monomeric diols, and mixtures thereof.
- the electroplating composition of the present invention comprises at least one additive selected from the group consisting of betaines, polymeric glycols, mon omeric diols and mixtures thereof.
- the electroplating composition of the present invention is an aqueous electroplating composition comprising trivalent chromium ions.
- the electroplating composition comprises further additives and/or metal ions, more preferably iron ions, nickel ions, copper ions and/or zinc ions.
- the electroplating composition of the present invention is preferably used more than one time for depositing a chromium coating on a plurality of different sub strates, preferably during a continuous process.
- the electroplating composition is repeatedly utilized during electroplating, preferably for a usage of at least 100 Ah per liter electroplating composition, preferably at least 150 Ah per liter, more preferably at least 200 Ah per liter, most preferably at least 300 Ah per liter.
- ester comprises C 8 -C 20 ester, more preferably C 9 -C 17 ester, most pref erably C10-C16 ester.
- amide comprises C8-C 20 amide, more preferably C9-C 17 amide, most preferably C 10 -C 16 amide.
- N-substituted-N,N-Dialkyl-ammonium sulfobetaines and the N-substituted-N,N- Dialkyl-N-alkyl ammonium sulfobetaines, respectively, is N-substituted with a substituent selected from the group consisting of alkyl, and amidoalkyl, wherein amidoalkyl is preferably cocoamidopropyl.
- CCE cathodic current efficiency
- an electroplating composition of the present invention wherein the electroplating composition comprises the betaines in a total concentration in a range from 0.0005 g/L to 1 g/L, based on the total volume of the electroplating composition, preferably from 0.001 g/L to 0.5 g/L, more preferably from 0.005 g/L to 0.3 g/L, and most preferably from 0.01 g/L to 0.2 g/L.
- the polymeric glycols are polyalkylene glycols, preferably polyethylene glycols.
- CCE cathodic current efficiency
- an electroplating composition of the present inven tion wherein the monomeric diols comprise, in addition to the C1-C10 diols and its preferred variants, or alternatively to the C1-C10 diols, and its preferred variants, preferably in addition, one or more than one C11-C25 diol, preferably one or more than one C12-C23 diol, more preferably one or more than one C13-C21 diol, even more preferably one or more than one C 14 -C 20 diol, most preferably one or more than one C 15 -C 19 diol, even most preferably one or more than one C 16 -C 18 diol, most preferably in combination with one or more than one betaine.
- the monomeric diols comprise, in addition to the C1-C10 diols and its preferred variants, or alternatively to the C1-C10 diols, and its preferred variants, preferably in addition, one or more than one C11-C25 diol
- an electroplating composition of the present invention wherein the one or more than one C11-C25 diol, and its preferred variants, comprises an anti foam compound.
- the one or more than one C11-C25 diol, and its preferred variants comprises an anti foam compound.
- C11-C25 diols have the potential to function as an anti-foam compound.
- Ci to C10 diols are often excellent solvents for aforementioned anti-foam compounds.
- the electroplating composition of the present invention comprises one or more than one betaine, most preferably if the electroplating composition of the present invention comprises one or more than one betaine and one or more than one C11-C25 diol, and its preferred variants.
- the trivalent chromium ions can be efficiently stabilized in the electroplat ing composition by the complexing agents
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)
- Electroplating Methods And Accessories (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP19217662 | 2019-12-18 | ||
| PCT/EP2020/086688 WO2021122932A1 (en) | 2019-12-18 | 2020-12-17 | Electroplating composition and method for depositing a chromium coating on a substrate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4077770A1 true EP4077770A1 (de) | 2022-10-26 |
Family
ID=69024102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP20838402.4A Pending EP4077770A1 (de) | 2019-12-18 | 2020-12-17 | Galvanisierzusammensetzung und verfahren zum abscheiden einer chrombeschichtung auf einem substrat |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20230015534A1 (de) |
| EP (1) | EP4077770A1 (de) |
| JP (1) | JP2023507017A (de) |
| KR (1) | KR20220116477A (de) |
| CN (1) | CN114829677A (de) |
| WO (1) | WO2021122932A1 (de) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL75772C (de) | 1948-03-20 | |||
| US3432408A (en) | 1966-08-03 | 1969-03-11 | Udylite Corp | Chromium plating electrolyte and method for preventing mist therein |
| US4009085A (en) | 1975-01-31 | 1977-02-22 | M & T Chemicals Inc. | Lubricating coating for metal sheet |
| US4450052A (en) | 1982-07-28 | 1984-05-22 | M&T Chemicals Inc. | Zinc and nickel tolerant trivalent chromium plating baths |
| EP2705176B1 (de) | 2011-05-03 | 2016-04-13 | ATOTECH Deutschland GmbH | Galvanisierungsbad und verfahren zur herstellung von dunklen chromschichten |
| EP2899299A1 (de) | 2014-01-24 | 2015-07-29 | COVENTYA S.p.A. | Galvanisierbad auf der Basis von dreiwertigem Chrom und Verfahren zur Abscheidung von Chrom |
| GB2534883A (en) | 2015-02-03 | 2016-08-10 | Univ Leicester | Electrolyte for electroplating |
| CN105063676A (zh) * | 2015-08-17 | 2015-11-18 | 内蒙古第一机械集团有限公司 | 一种三价铬电镀硬铬的方法 |
| US9850588B2 (en) * | 2015-09-09 | 2017-12-26 | Rohm And Haas Electronic Materials Llc | Bismuth electroplating baths and methods of electroplating bismuth on a substrate |
| CN110446802B (zh) | 2017-04-04 | 2023-02-28 | 安美特德国有限公司 | 在至少一个基底上电解沉积铬或铬合金层的方法 |
| CN108034969A (zh) | 2017-12-15 | 2018-05-15 | 闽南师范大学 | 一种硫酸盐三价铬镀铬电镀液及其应用方法 |
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2020
- 2020-12-17 US US17/785,114 patent/US20230015534A1/en active Pending
- 2020-12-17 WO PCT/EP2020/086688 patent/WO2021122932A1/en unknown
- 2020-12-17 KR KR1020227023495A patent/KR20220116477A/ko unknown
- 2020-12-17 CN CN202080087415.0A patent/CN114829677A/zh active Pending
- 2020-12-17 JP JP2022537718A patent/JP2023507017A/ja active Pending
- 2020-12-17 EP EP20838402.4A patent/EP4077770A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20230015534A1 (en) | 2023-01-19 |
| CN114829677A (zh) | 2022-07-29 |
| WO2021122932A1 (en) | 2021-06-24 |
| KR20220116477A (ko) | 2022-08-23 |
| JP2023507017A (ja) | 2023-02-20 |
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