EP1215304A1 - Procédé de placage de chrome en deux couches - Google Patents

Procédé de placage de chrome en deux couches Download PDF

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Publication number
EP1215304A1
EP1215304A1 EP01128826A EP01128826A EP1215304A1 EP 1215304 A1 EP1215304 A1 EP 1215304A1 EP 01128826 A EP01128826 A EP 01128826A EP 01128826 A EP01128826 A EP 01128826A EP 1215304 A1 EP1215304 A1 EP 1215304A1
Authority
EP
European Patent Office
Prior art keywords
chrome
layer
containing heterocyclic
nitrogen
plating
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.)
Withdrawn
Application number
EP01128826A
Other languages
German (de)
English (en)
Inventor
Lido Frediani
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP1215304A1 publication Critical patent/EP1215304A1/fr
Withdrawn legal-status Critical Current

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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
    • C25D3/10—Electroplating: Baths therefor from solutions of chromium characterised by the organic bath constituents used
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/615—Microstructure of the layers, e.g. mixed structure
    • C25D5/617—Crystalline layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/625—Discontinuous layers, e.g. microcracked layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627—Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
EP01128826A 2000-12-06 2001-12-04 Procédé de placage de chrome en deux couches Withdrawn EP1215304A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITMT20002655 2000-12-06
ITMT002655 2000-12-06

Publications (1)

Publication Number Publication Date
EP1215304A1 true EP1215304A1 (fr) 2002-06-19

Family

ID=11451172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01128826A Withdrawn EP1215304A1 (fr) 2000-12-06 2001-12-04 Procédé de placage de chrome en deux couches

Country Status (1)

Country Link
EP (1) EP1215304A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6596410B2 (en) * 2000-09-29 2003-07-22 Nippon Piston Ring Co., Ltd. Chrome-plated sliding member and manufacturing method thereof
US8227116B2 (en) 2003-12-15 2012-07-24 Nec Corporation Secondary battery
US8357471B2 (en) 2003-12-15 2013-01-22 Nec Corporation Secondary battery using an electrolyte solution
WO2017053655A1 (fr) * 2015-09-25 2017-03-30 Enthone Inc. Ajustement de couleurs flexible pour placages au cr(iii) sombre

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243937B (de) * 1965-07-30 1967-07-06 Schering Ag Verchromungselektrolyt
US4006064A (en) * 1975-02-28 1977-02-01 Bayer Aktiengesellschaft Process for the electrodeposition of chrome plate using fluorine-containing wetting agents
US4450052A (en) * 1982-07-28 1984-05-22 M&T Chemicals Inc. Zinc and nickel tolerant trivalent chromium plating baths
CH673845A5 (en) * 1987-07-02 1990-04-12 Sosh Ag Synergistic additive mixt. for chromic acid electrolyte - contg. propionic, butyric and valeric acid in specified ratio
WO1997005301A1 (fr) * 1995-07-28 1997-02-13 Luigi Stoppani S.P.A. Procede de chromage et bain de chromage contenant des polychromates
EP0860519A1 (fr) * 1997-02-12 1998-08-26 LUIGI STOPPANI S.p.A. DépÔt électrolytique de chrome à partir des bains catalysées avec des composés alkanedisulfoniques-alkanesulfoniques comportant des inhibiteurs tels que des acides aminoalkanesulfoniques et des bases hétérocycliques

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1243937B (de) * 1965-07-30 1967-07-06 Schering Ag Verchromungselektrolyt
US4006064A (en) * 1975-02-28 1977-02-01 Bayer Aktiengesellschaft Process for the electrodeposition of chrome plate using fluorine-containing wetting agents
US4450052A (en) * 1982-07-28 1984-05-22 M&T Chemicals Inc. Zinc and nickel tolerant trivalent chromium plating baths
CH673845A5 (en) * 1987-07-02 1990-04-12 Sosh Ag Synergistic additive mixt. for chromic acid electrolyte - contg. propionic, butyric and valeric acid in specified ratio
WO1997005301A1 (fr) * 1995-07-28 1997-02-13 Luigi Stoppani S.P.A. Procede de chromage et bain de chromage contenant des polychromates
EP0860519A1 (fr) * 1997-02-12 1998-08-26 LUIGI STOPPANI S.p.A. DépÔt électrolytique de chrome à partir des bains catalysées avec des composés alkanedisulfoniques-alkanesulfoniques comportant des inhibiteurs tels que des acides aminoalkanesulfoniques et des bases hétérocycliques

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6596410B2 (en) * 2000-09-29 2003-07-22 Nippon Piston Ring Co., Ltd. Chrome-plated sliding member and manufacturing method thereof
US8227116B2 (en) 2003-12-15 2012-07-24 Nec Corporation Secondary battery
US8357471B2 (en) 2003-12-15 2013-01-22 Nec Corporation Secondary battery using an electrolyte solution
US20130101895A1 (en) * 2003-12-15 2013-04-25 Nec Corporation Electrolyte solution for a secondary battery
US8445144B2 (en) * 2003-12-15 2013-05-21 Nec Corporation Additive for an electrolyte solution for an electrochemical device
US9012071B2 (en) 2003-12-15 2015-04-21 Nec Corporation Electrolyte solution for a secondary battery
WO2017053655A1 (fr) * 2015-09-25 2017-03-30 Enthone Inc. Ajustement de couleurs flexible pour placages au cr(iii) sombre
US10544516B2 (en) 2015-09-25 2020-01-28 Macdermid Enthone Inc. Flexible color adjustment for dark Cr(III) platings
US10988854B2 (en) 2015-09-25 2021-04-27 Macdermid Enthone Inc. Flexible color adjustment for dark Cr(III) platings

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