ES2944135T3 - Baño de galvanizado que contiene cromo trivalente y proceso para depositar cromo - Google Patents

Baño de galvanizado que contiene cromo trivalente y proceso para depositar cromo Download PDF

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Publication number
ES2944135T3
ES2944135T3 ES15701521T ES15701521T ES2944135T3 ES 2944135 T3 ES2944135 T3 ES 2944135T3 ES 15701521 T ES15701521 T ES 15701521T ES 15701521 T ES15701521 T ES 15701521T ES 2944135 T3 ES2944135 T3 ES 2944135T3
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ES
Spain
Prior art keywords
acid
chromium
galvanizing bath
bath
complexing agent
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Active
Application number
ES15701521T
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English (en)
Spanish (es)
Inventor
Zilio Diego Dal
Gianluigi Schiavon
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Coventya SpA
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Coventya SpA
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Application filed by Coventya SpA filed Critical Coventya SpA
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Publication of ES2944135T3 publication Critical patent/ES2944135T3/es
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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
    • C25D3/04Electroplating: 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
    • C25D17/002Cell separation, e.g. membranes, diaphragms
    • 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
    • C25D17/02Tanks; Installations therefor
    • 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
    • C25D5/18Electroplating using modulated, pulsed or reversing current

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)
ES15701521T 2014-01-24 2015-01-26 Baño de galvanizado que contiene cromo trivalente y proceso para depositar cromo Active ES2944135T3 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP14152463.7A EP2899299A1 (en) 2014-01-24 2014-01-24 Electroplating bath containing trivalent chromium and process for depositing chromium
PCT/EP2015/051469 WO2015110627A1 (en) 2014-01-24 2015-01-26 Electroplating bath containing trivalent chromium and process for depositing chromium

Publications (1)

Publication Number Publication Date
ES2944135T3 true ES2944135T3 (es) 2023-06-19

Family

ID=49989624

Family Applications (1)

Application Number Title Priority Date Filing Date
ES15701521T Active ES2944135T3 (es) 2014-01-24 2015-01-26 Baño de galvanizado que contiene cromo trivalente y proceso para depositar cromo

Country Status (12)

Country Link
US (2) US10619258B2 (en:Method)
EP (2) EP2899299A1 (en:Method)
JP (1) JP6534391B2 (en:Method)
KR (2) KR20160113610A (en:Method)
CN (2) CN113818053B (en:Method)
BR (1) BR112016016834B1 (en:Method)
CA (1) CA2935934C (en:Method)
ES (1) ES2944135T3 (en:Method)
HU (1) HUE061836T2 (en:Method)
MX (1) MX383305B (en:Method)
PL (1) PL3097222T3 (en:Method)
WO (1) WO2015110627A1 (en:Method)

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FR3087209B1 (fr) 2018-10-12 2022-11-04 Mecaprotec Ind Composition pour le chromage d’un substrat et procede de chromage mettant en œuvre une telle composition
WO2020079215A1 (en) * 2018-10-19 2020-04-23 Atotech Deutschland Gmbh A method for electrolytically passivating a surface of silver, silver alloy, gold, or gold alloy
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WO2021123059A1 (en) 2019-12-18 2021-06-24 Atotech Deutschland Gmbh Method for reducing the concentration of iron ions in a trivalent chromium eletroplating bath
RU2734986C1 (ru) * 2020-03-23 2020-10-27 Федеральное государственное бюджетное образовательное учреждение высшего образования "Российский химико-технологический университет имени Д. И. Менделеева" (РХТУ им. Д. И. Менделеева) Способ электрохимического нанесения хромовых покрытий из саморегулирующегося электролита на основе соединений трехвалентного хрома
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KR102350114B1 (ko) * 2020-08-03 2022-01-10 김근호 친환경 알루미늄 전해 크로메이트 처리방법
CN112226791A (zh) * 2020-10-26 2021-01-15 厦门市金宝源实业有限公司 一种三价铬镀铬液及其制备方法以及三价铬镀铬方法
EP4023793A1 (en) * 2021-01-05 2022-07-06 Coventya SAS Electroplating bath for depositing chromium or chromium alloy from a trivalent chromium bath and process for depositing chromium or chromium alloy
EP4151779A1 (de) * 2021-09-15 2023-03-22 Trivalent Oberflächentechnik GmbH Chrom-indium-, chrom-bismut- und chrom-antimon-beschichtung, verfahren zur herstellung und verwendung
CN113735172B (zh) * 2021-10-08 2023-04-07 上海良仁化工有限公司 含铬污泥制备细颗粒氢氧化铬的方法
CN114875459A (zh) * 2022-05-10 2022-08-09 成立航空股份有限公司 一种三价铬镀液及黑铬镀层
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CN115928108B (zh) * 2022-12-23 2023-08-01 中国科学院青海盐湖研究所 电化学氧化铬铁直接制备三价铬化合物的方法
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Also Published As

Publication number Publication date
US20170009361A1 (en) 2017-01-12
CN113818053A (zh) 2021-12-21
CN105917031A (zh) 2016-08-31
US20200308723A1 (en) 2020-10-01
BR112016016834A2 (en:Method) 2017-08-08
US11905613B2 (en) 2024-02-20
PL3097222T3 (pl) 2023-05-29
KR102430755B1 (ko) 2022-08-10
JP6534391B2 (ja) 2019-06-26
CA2935934C (en) 2022-03-01
CA2935934A1 (en) 2015-07-30
JP2017503926A (ja) 2017-02-02
US10619258B2 (en) 2020-04-14
HUE061836T2 (hu) 2023-08-28
EP3097222B1 (en) 2023-03-29
CN113818053B (zh) 2024-07-05
MX2016009533A (es) 2016-10-28
KR20210147081A (ko) 2021-12-06
BR112016016834B1 (pt) 2022-02-08
KR20160113610A (ko) 2016-09-30
WO2015110627A1 (en) 2015-07-30
MX383305B (es) 2025-03-13
EP2899299A1 (en) 2015-07-29
CN105917031B (zh) 2021-11-02
EP3097222A1 (en) 2016-11-30

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