CA3155524C - Procede de placage decoratif au chrome trivalent sans ammonium a base de sulfate - Google Patents

Procede de placage decoratif au chrome trivalent sans ammonium a base de sulfate Download PDF

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Publication number
CA3155524C
CA3155524C CA3155524A CA3155524A CA3155524C CA 3155524 C CA3155524 C CA 3155524C CA 3155524 A CA3155524 A CA 3155524A CA 3155524 A CA3155524 A CA 3155524A CA 3155524 C CA3155524 C CA 3155524C
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CA
Canada
Prior art keywords
bath
ions
acid
chromium
source
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.)
Active
Application number
CA3155524A
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English (en)
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CA3155524A1 (fr
Inventor
Diego DAL ZILIO
Andrea Martin
Sandrine Dalbin
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.)
Coventya Srl
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Coventya Srl
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
Priority claimed from EP20154909.4A external-priority patent/EP3859053A1/fr
Application filed by Coventya Srl filed Critical Coventya Srl
Publication of CA3155524A1 publication Critical patent/CA3155524A1/fr
Application granted granted Critical
Publication of CA3155524C publication Critical patent/CA3155524C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/56Electroplating: Baths therefor from solutions of alloys
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/04Electroplating: Baths therefor from solutions of chromium
    • C25D3/06Electroplating: Baths therefor from solutions of chromium from solutions of trivalent chromium
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/10Electrodes, e.g. composition, counter electrode
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00Electroplating: Baths therefor
    • C25D3/02Electroplating: Baths therefor from solutions
    • C25D3/04Electroplating: Baths therefor from solutions of chromium
    • C25D3/10Electroplating: Baths therefor from solutions of chromium characterised by the organic bath constituents used
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/627Electroplating characterised by the visual appearance of the layers, e.g. colour, brightness or mat appearance
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00Electrolytic coating other than with metals
    • C25D9/04Electrolytic coating other than with metals with inorganic materials
    • C25D9/08Electrolytic coating other than with metals with inorganic materials by cathodic processes

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)
  • Electroplating Methods And Accessories (AREA)

Abstract

La présente invention concerne un bain de placage électrolytique permettant le placage électrolytique d'une couche de chrome ou d'alliage de chrome, le bain comprenant des ions chrome trivalents, un acide carboxylique organique, des ions sulfate, des ions sodium conducteurs et des additifs sous la forme d'un composé de soufre inorganique et d'acide borique, ainsi qu'un procédé utilisant un tel bain de placage électrolytique.
CA3155524A 2019-10-31 2020-10-30 Procede de placage decoratif au chrome trivalent sans ammonium a base de sulfate Active CA3155524C (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP19206651.2 2019-10-31
EP19206651 2019-10-31
EP20154909.4A EP3859053A1 (fr) 2020-01-31 2020-01-31 Procédé de placage décoratif de chrome trivalent exempt d'ammonium à base de sulfate
EP20154909.4 2020-01-31
PCT/EP2020/080584 WO2021084103A1 (fr) 2019-10-31 2020-10-30 Procédé de placage décoratif au chrome trivalent sans ammonium à base de sulfate

Publications (2)

Publication Number Publication Date
CA3155524A1 CA3155524A1 (fr) 2021-05-06
CA3155524C true CA3155524C (fr) 2024-02-27

Family

ID=73013463

Family Applications (1)

Application Number Title Priority Date Filing Date
CA3155524A Active CA3155524C (fr) 2019-10-31 2020-10-30 Procede de placage decoratif au chrome trivalent sans ammonium a base de sulfate

Country Status (8)

Country Link
US (1) US20220403538A1 (fr)
EP (1) EP4051829A1 (fr)
JP (1) JP7342253B2 (fr)
KR (1) KR20220119012A (fr)
CN (1) CN114729463B (fr)
CA (1) CA3155524C (fr)
MX (1) MX2022004290A (fr)
WO (1) WO2021084103A1 (fr)

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3725214A (en) * 1971-02-19 1973-04-03 Du Pont Chromium plating medium for a portable plating device
GB2109817B (en) * 1981-11-18 1985-07-03 Ibm Electrodeposition of chromium
GB8503019D0 (en) * 1985-02-06 1985-03-06 Canning W Materials Ltd Electroplating
US5196109A (en) * 1991-08-01 1993-03-23 Geoffrey Scott Trivalent chromium electrolytes and plating processes employing same
KR100572486B1 (ko) * 2003-11-29 2006-04-19 테크앤라이프 주식회사 3가 크롬도금액 조성물과 그 제조방법
EP1845176A4 (fr) * 2004-10-18 2011-06-29 Yamaha Motor Co Ltd Piece de moteur
KR100858711B1 (ko) * 2007-03-30 2008-09-17 한국기계연구원 3가크롬 도금액
JP5322083B2 (ja) 2007-07-12 2013-10-23 奥野製薬工業株式会社 3価クロムめっき浴及びその製造方法
JP5652585B2 (ja) 2009-02-16 2015-01-14 奥野製薬工業株式会社 3価クロムめっき浴
US9765437B2 (en) 2009-03-24 2017-09-19 Roderick D. Herdman Chromium alloy coating with enhanced resistance to corrosion in calcium chloride environments
CN105671599A (zh) * 2016-04-11 2016-06-15 济南德锡科技有限公司 一种硫酸盐三价铬电镀液及其制备方法
CN106086949B (zh) * 2016-08-26 2019-01-18 武汉迪赛环保新材料股份有限公司 一种三价铬电镀液及电镀方法
EP3299497A1 (fr) * 2016-09-27 2018-03-28 ATOTECH Deutschland GmbH Procédé de traitement d'une surface de chromium
CN111465719A (zh) 2017-12-13 2020-07-28 株式会社杰希优 三价铬镀液以及使用其的镀铬方法
WO2020009096A1 (fr) * 2018-07-03 2020-01-09 株式会社Jcu Solution de placage au chrome trivalent et procédé de placage au chrome faisant appel à celle-ci
US20210040637A1 (en) * 2019-08-08 2021-02-11 Jcu International, Inc. Chromium plating product and method for producing the same

Also Published As

Publication number Publication date
CA3155524A1 (fr) 2021-05-06
WO2021084103A1 (fr) 2021-05-06
CN114729463A (zh) 2022-07-08
CN114729463B (zh) 2024-08-27
US20220403538A1 (en) 2022-12-22
MX2022004290A (es) 2022-05-10
EP4051829A1 (fr) 2022-09-07
JP7342253B2 (ja) 2023-09-11
KR20220119012A (ko) 2022-08-26
JP2022551461A (ja) 2022-12-09

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