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EP3819404A4 - Trivalent chromium plating solution and chromium plating method using same - Google Patents

Trivalent chromium plating solution and chromium plating method using same Download PDF

Info

Publication number
EP3819404A4
EP3819404A4 EP19830121.0A EP19830121A EP3819404A4 EP 3819404 A4 EP3819404 A4 EP 3819404A4 EP 19830121 A EP19830121 A EP 19830121A EP 3819404 A4 EP3819404 A4 EP 3819404A4
Authority
EP
European Patent Office
Prior art keywords
chromium plating
same
plating solution
plating method
trivalent
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
Application number
EP19830121.0A
Other languages
German (de)
French (fr)
Other versions
EP3819404A1 (en
Inventor
Madoka NAKAGAMI
Masao Hori
Yuto Morikawa
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.)
JCU Corp
Original Assignee
JCU 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.)
Filing date
Publication date
Application filed by JCU Corp filed Critical JCU Corp
Publication of EP3819404A1 publication Critical patent/EP3819404A1/en
Publication of EP3819404A4 publication Critical patent/EP3819404A4/en
Pending legal-status Critical Current

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
    • C25D3/04—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
    • 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
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/48—After-treatment of electroplated surfaces
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • C25D9/08—Electrolytic coating other than with metals with inorganic materials by cathodic processes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
EP19830121.0A 2018-07-03 2019-07-02 Trivalent chromium plating solution and chromium plating method using same Pending EP3819404A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018126508 2018-07-03
PCT/JP2019/026246 WO2020009096A1 (en) 2018-07-03 2019-07-02 Trivalent chromium plating solution and chromium plating method using same

Publications (2)

Publication Number Publication Date
EP3819404A1 EP3819404A1 (en) 2021-05-12
EP3819404A4 true EP3819404A4 (en) 2022-02-09

Family

ID=69060417

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19830121.0A Pending EP3819404A4 (en) 2018-07-03 2019-07-02 Trivalent chromium plating solution and chromium plating method using same

Country Status (5)

Country Link
US (1) US20210317589A1 (en)
EP (1) EP3819404A4 (en)
JP (1) JP7349427B2 (en)
CN (1) CN112368421B (en)
WO (1) WO2020009096A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA3155524C (en) * 2019-10-31 2024-02-27 Diego DAL ZILIO Sulfate based, ammonium free trivalent chromium decorative plating process
JP2023018744A (en) * 2021-07-28 2023-02-09 株式会社Jcu White trivalent chromium plating bath and white trivalent chromium plating method for object to be plated using the same
WO2023095774A1 (en) * 2021-11-29 2023-06-01 株式会社Jcu Chromium-plated component and method for manufacturing same
JP7330349B1 (en) 2022-11-11 2023-08-21 株式会社Jcu Chrome-plated parts and manufacturing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030178314A1 (en) * 2002-03-21 2003-09-25 United States Steel Corporation Stainless steel electrolytic coating
JP2009074170A (en) * 2007-08-30 2009-04-09 Nissan Motor Co Ltd Chrome-plated parts and method for manufacturing the same
CN103014784A (en) * 2012-12-13 2013-04-03 合肥华清方兴表面技术有限公司 Constant-temperature environment-friendly trivalent chromium electroplating liquid and electroplating method thereof
CN105671599A (en) * 2016-04-11 2016-06-15 济南德锡科技有限公司 Sulfate trivalent chromium electroplating solution and preparation method thereof

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4092226A (en) * 1974-12-11 1978-05-30 Nikolaus Laing Process for the treatment of metal surfaces by electro-deposition of metal coatings at high current densities
US4013523A (en) * 1975-12-24 1977-03-22 Oxy Metal Industries Corporation Tin-gold electroplating bath and process
US4472249A (en) * 1981-08-24 1984-09-18 M&T Chemicals Inc. Bright chromium plating baths and process
JPH01100291A (en) * 1987-10-12 1989-04-18 Japan Carlit Co Ltd:The Chrome plating method
US7442286B2 (en) * 2004-02-26 2008-10-28 Atotech Deutschland Gmbh Articles with electroplated zinc-nickel ternary and higher alloys, electroplating baths, processes and systems for electroplating such alloys
US9765437B2 (en) 2009-03-24 2017-09-19 Roderick D. Herdman Chromium alloy coating with enhanced resistance to corrosion in calcium chloride environments
CN101967662A (en) 2010-10-26 2011-02-09 广东多正化工科技有限公司 Trivalent chromium electroplate liquid capable of forming black clad layer
PT2886683T (en) * 2011-05-03 2020-03-26 Atotech Deutschland Gmbh Electroplating bath and method for producing dark chromium layers
KR20150123794A (en) 2013-01-10 2015-11-04 코벤트야 인크. Apparatus and method of maintaining trivalent chromium bath plating efficiency
EP2801640A1 (en) * 2013-05-08 2014-11-12 ATOTECH Deutschland GmbH Galvanic nickel or nickel alloy electroplating bath for depositing a semi-bright nickel or nickel alloy
JP2015221944A (en) * 2015-08-07 2015-12-10 日産自動車株式会社 Chromium-plated part and production method thereof
CN107254693A (en) 2017-06-28 2017-10-17 合肥博之泰电子科技有限公司 A kind of chromium electro-plating method of ornamental strip
WO2019215287A1 (en) * 2018-05-09 2019-11-14 Atotech Deutschland Gmbh Nickel comprising layer array and a method for its manufacturing

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030178314A1 (en) * 2002-03-21 2003-09-25 United States Steel Corporation Stainless steel electrolytic coating
JP2009074170A (en) * 2007-08-30 2009-04-09 Nissan Motor Co Ltd Chrome-plated parts and method for manufacturing the same
CN103014784A (en) * 2012-12-13 2013-04-03 合肥华清方兴表面技术有限公司 Constant-temperature environment-friendly trivalent chromium electroplating liquid and electroplating method thereof
CN105671599A (en) * 2016-04-11 2016-06-15 济南德锡科技有限公司 Sulfate trivalent chromium electroplating solution and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020009096A1 *

Also Published As

Publication number Publication date
WO2020009096A1 (en) 2020-01-09
CN112368421A (en) 2021-02-12
JP7349427B2 (en) 2023-09-22
CN112368421B (en) 2025-01-10
US20210317589A1 (en) 2021-10-14
JPWO2020009096A1 (en) 2021-07-08
EP3819404A1 (en) 2021-05-12

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DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20220110

RIC1 Information provided on ipc code assigned before grant

Ipc: C25D 9/08 20060101ALI20220103BHEP

Ipc: C25D 5/48 20060101ALI20220103BHEP

Ipc: C25D 3/10 20060101ALI20220103BHEP

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