WO2003100136A3 - Alkaline zinc-nickel bath with increased current efficiency - Google Patents

Alkaline zinc-nickel bath with increased current efficiency Download PDF

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Publication number
WO2003100136A3
WO2003100136A3 PCT/EP2003/005394 EP0305394W WO03100136A3 WO 2003100136 A3 WO2003100136 A3 WO 2003100136A3 EP 0305394 W EP0305394 W EP 0305394W WO 03100136 A3 WO03100136 A3 WO 03100136A3
Authority
WO
WIPO (PCT)
Prior art keywords
current efficiency
increased current
deposition
alkaline zinc
nickel bath
Prior art date
Application number
PCT/EP2003/005394
Other languages
German (de)
French (fr)
Other versions
WO2003100136A2 (en
Inventor
Ernst-Walter Hillebrand
Original Assignee
Walter Hillebrand Gmbh & Co Ga
Ernst-Walter Hillebrand
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.)
Filing date
Publication date
Application filed by Walter Hillebrand Gmbh & Co Ga, Ernst-Walter Hillebrand filed Critical Walter Hillebrand Gmbh & Co Ga
Priority to AU2003238380A priority Critical patent/AU2003238380A1/en
Publication of WO2003100136A2 publication Critical patent/WO2003100136A2/en
Publication of WO2003100136A3 publication Critical patent/WO2003100136A3/en

Links

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
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • 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
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/565—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc

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)

Abstract

The invention concerns an electroplating bath as well as a method for cathode deposition of a zinc-nickel alloy coating. In accordance with the invention, the bath contains as complexing agent, at least a polyethylenamine. Through addition of an arylsulphonate such as cumenesuphonate or xylenesulphonate, the solubility of the complexing agent is increased, or its local deposition is reduced at the cathode, thereby resulting in an increase in the density of usable current and of the current efficiency by deposition of homogeneous electroplating bath layers and reducing the required work duration.
PCT/EP2003/005394 2002-05-28 2003-05-23 Alkaline zinc-nickel bath with increased current efficiency WO2003100136A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2003238380A AU2003238380A1 (en) 2002-05-28 2003-05-23 Alkaline zinc-nickel bath with increased current efficiency

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2002123622 DE10223622B4 (en) 2002-05-28 2002-05-28 Alkaline zinc-nickel bath and corresponding electroplating process with increased current efficiency
DE10223622.4 2002-05-28

Publications (2)

Publication Number Publication Date
WO2003100136A2 WO2003100136A2 (en) 2003-12-04
WO2003100136A3 true WO2003100136A3 (en) 2004-03-25

Family

ID=29557338

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2003/005394 WO2003100136A2 (en) 2002-05-28 2003-05-23 Alkaline zinc-nickel bath with increased current efficiency

Country Status (3)

Country Link
AU (1) AU2003238380A1 (en)
DE (1) DE10223622B4 (en)
WO (1) WO2003100136A2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007002321B4 (en) * 2007-01-16 2018-07-05 Volkswagen Ag Coil spring with corrosion protection
CN105239115A (en) * 2015-10-22 2016-01-13 广州超邦化工有限公司 Alkaline zinc-nickel alloy electroplating solution with high stability

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4699696A (en) * 1986-04-15 1987-10-13 Omi International Corporation Zinc-nickel alloy electrolyte and process
DE3712511A1 (en) * 1986-04-14 1987-10-15 Dipsol Chem ELECTRIC PLATING BATH
EP0346161A1 (en) * 1988-06-10 1989-12-13 Mcgean-Rohco, Inc. Acid zinc-nickel plating baths
EP0649918A1 (en) * 1993-10-21 1995-04-26 Mcgean-Rohco, Inc. Alkaline zinc-nickel alloy plating baths
WO2000006807A2 (en) * 1998-07-30 2000-02-10 Walter Hillebrand Gmbh & Co. Galvanotechnik Alkali zinc nickel bath

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681211A (en) * 1970-11-23 1972-08-01 Enequist Chem Co Inc The Electroplating a black nickel-zinc alloy deposit
DE19848467C5 (en) * 1998-10-21 2006-04-27 Walter Hillebrand Gmbh & Co. Kg Galvanotechnik Alkaline zinc-nickel bath
DE19956383A1 (en) * 1999-11-24 2001-05-31 Henkel Kgaa Process for phosphatizing surfaces made of steel, galvanized steel and/or aluminum (alloy) comprises phosphatizing using a phosphatizing solution and post-rinsing with a solution containing copper ions and silanes

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3712511A1 (en) * 1986-04-14 1987-10-15 Dipsol Chem ELECTRIC PLATING BATH
US4699696A (en) * 1986-04-15 1987-10-13 Omi International Corporation Zinc-nickel alloy electrolyte and process
EP0346161A1 (en) * 1988-06-10 1989-12-13 Mcgean-Rohco, Inc. Acid zinc-nickel plating baths
EP0649918A1 (en) * 1993-10-21 1995-04-26 Mcgean-Rohco, Inc. Alkaline zinc-nickel alloy plating baths
WO2000006807A2 (en) * 1998-07-30 2000-02-10 Walter Hillebrand Gmbh & Co. Galvanotechnik Alkali zinc nickel bath

Also Published As

Publication number Publication date
AU2003238380A8 (en) 2003-12-12
DE10223622B4 (en) 2005-12-08
AU2003238380A1 (en) 2003-12-12
DE10223622A1 (en) 2003-12-18
WO2003100136A2 (en) 2003-12-04

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