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EP1717353A1 - Bain galvanique contenant une membrane de filtration - Google Patents

Bain galvanique contenant une membrane de filtration Download PDF

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Publication number
EP1717353A1
EP1717353A1 EP05009127A EP05009127A EP1717353A1 EP 1717353 A1 EP1717353 A1 EP 1717353A1 EP 05009127 A EP05009127 A EP 05009127A EP 05009127 A EP05009127 A EP 05009127A EP 1717353 A1 EP1717353 A1 EP 1717353A1
Authority
EP
European Patent Office
Prior art keywords
filtration membrane
bath
electroplating bath
anode
cathode
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.)
Granted
Application number
EP05009127A
Other languages
German (de)
English (en)
Other versions
EP1717353B1 (fr
Inventor
Karlheinz Arzt
Jens-Eric Geissler
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.)
Atotech Deutschland GmbH and Co KG
Original Assignee
Atotech Deutschland GmbH and Co KG
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35530823&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP1717353(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Atotech Deutschland GmbH and Co KG filed Critical Atotech Deutschland GmbH and Co KG
Priority to AT05009127T priority Critical patent/ATE429528T1/de
Priority to EP09152660.8A priority patent/EP2050841B1/fr
Priority to ES05009127T priority patent/ES2324169T3/es
Priority to ES09152660.8T priority patent/ES2574158T3/es
Priority to EP05009127A priority patent/EP1717353B1/fr
Priority to DE502005007138T priority patent/DE502005007138D1/de
Priority to CA2600273A priority patent/CA2600273C/fr
Priority to US11/912,591 priority patent/US8293092B2/en
Priority to KR1020077019889A priority patent/KR101301275B1/ko
Priority to BRPI0610765A priority patent/BRPI0610765B1/pt
Priority to CNA2006800094924A priority patent/CN101146934A/zh
Priority to PCT/EP2006/003883 priority patent/WO2006114305A1/fr
Priority to CN201510173898.7A priority patent/CN104911676B/zh
Priority to JP2008508150A priority patent/JP4955657B2/ja
Priority to CN201510173915.7A priority patent/CN104911651A/zh
Publication of EP1717353A1 publication Critical patent/EP1717353A1/fr
Publication of EP1717353B1 publication Critical patent/EP1717353B1/fr
Application granted granted Critical
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • C25D3/565Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc
    • 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
    • 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
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/06Filtering particles other than ions
    • CCHEMISTRY; METALLURGY
    • C25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25DPROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D21/00Processes for servicing or operating cells for electrolytic coating
    • C25D21/16Regeneration of process solutions
    • C25D21/22Regeneration of process solutions by ion-exchange

Definitions

  • the invention relates to an alkaline electroplating bath for applying zinc alloys to substrates, in which the anode space and the cathode space are separated from one another by a filtration membrane.
  • zinc alloys can be deposited on substrates in a consistently high quality.
  • the electroplating bath is operated with zinc alloy baths containing organic additives such as brighteners and wetting agents and complexing agents in addition to soluble zinc salts and optionally other metal salts selected from iron, nickel, cobalt and tin salts.
  • Bath dilution reduces the concentration of impurities in proportion to the degree of dilution.
  • a dilution is easy to carry out, but has the disadvantage that the amount of electrolyte removed from the bath has to be supplied to cost-intensive disposal.
  • a complete new approach of the bath can be considered in this context as a special case of Badver Mednung.
  • Activated carbon treatment by stirring 0.5-2 g / l of activated carbon into the bath followed by filtration reduces the concentration of impurities by adsorption on the coal. Disadvantage of this method is that it is laborious is and causes only a relatively small reduction.
  • Alkaline Zn baths contain a factor of 5 to 10 lower proportion of organic additives as acidic baths. Accordingly, contamination by decomposition products is generally less critical. In the case of alkaline alloy baths, however, the addition of significant amounts of organic complexing agents is required to complex the alloying additive (Fe, Co, Ni, Sn). These are oxidatively degraded at the anode and the accumulated decomposition products have a negative effect on the production process.
  • the EP 1 369 505 A2 discloses a method for purifying a zinc-nickel electrolyte in a galvanic process in which a portion of the process bath used in the process is evaporated until phase separation into a lower phase, at least one middle phase and an upper phase occurs, and the lower one and the upper phase are separated. This process requires several stages and is disadvantageous in terms of its energy requirements from a cost point of view.
  • the WO 00/06807 and WO 01/96631 describe electroplating baths for applying zinc-nickel coatings. To avoid the undesirable decomposition of additives at the anode, it is proposed to separate the anode from the alkaline electrolyte through an ion exchange membrane.
  • the baths known in the prior art have the disadvantage that in the anodic decomposition of the nitrogen-containing complexing agent cyanide is formed and accumulates in non-negligible concentration.
  • the invention has for its object to provide an alkaline electroplating bath, which does not have the aforementioned disadvantages.
  • the life of the bath is to be increased, the anodic decomposition of organic constituents of the bath to be minimized and, when it is used, a layer thickness of consistently high quality to be obtained on the coated substrate.
  • the invention relates to an alkaline electroplating bath for applying zinc alloys on substrates having a cathode and an anode, which has a filtration membrane which separates the anode space and the cathode space of the bath from each other.
  • filtration membranes are used.
  • the size of the pores of these filtration membranes is generally in a range from 0.0001 to 1.0 ⁇ m and from 0.001 to 1.0 ⁇ m, depending on the type of membrane (nano- or ultrafiltration membrane).
  • the pore size is in a range of 0.1 to 0.3 microns.
  • the filtration membrane contained in the alkaline electroplating bath according to the invention may consist of various organic or inorganic, alkali-resistant materials. These materials are, for example, ceramics, polytetrafluoroethylene (PTFE), polysulfones and polypropylene.
  • PTFE polytetrafluoroethylene
  • polysulfones polysulfones
  • polypropylene polypropylene
  • filtration membranes made of polypropylene.
  • the filtration membrane in the alkaline electroplating bath according to the invention is designed as a flat membrane.
  • the alkaline electroplating bath according to the invention can also be realized with other membrane forms, examples being hoses, capillaries and hollow fibers.
  • Such baths are for example in US 5,417,840 .
  • US 4,421,611 US 4,877,496 or US 6,652,728 described.
  • the alkaline electroplating bath according to the invention has the advantage that in it also baths for the deposition of zinc alloys can be used, which are suitable for use in the from WO 00/06807 and WO 01/96631 known alkaline zinc-nickel bath with an ion exchange membrane are not suitable.
  • sold by the applicant bath "Protedur Ni-75" to call which is characterized by a particularly high efficiency.
  • the previously used anodes can be used further. These are mostly nickel anodes.
  • the use of these anodes is less expensive than that from the WO 00/06807 known electroplating bath, in which special platinum-plated titanium anodes must be used in addition.
  • the anode space is preferably made smaller than the cathode space, since the essential processes take place there.
  • Both baths were operated with and without filtration membrane in 5-liter tanks.
  • the filtration membrane used was the Abwa-Tec polymer membrane P150F, which has a pore size of 0.12 ⁇ m.
  • the membrane was placed in the anode to cathode bath with the anolyte and catholyte being identical, ie, no special anolyte was added.
  • iron sheets (7 ⁇ 10 cm), which are usually used for Hull cell tests, were used as workpieces to be coated and coated at a current density of 2 A / dm 2 .
  • the baths were operated in serial connection. The movement of the iron sheets was mechanical, at a speed of 1.4 m / min.
  • Table 2 shows the Hull cell layer thickness in a new approach and old approach depending on the throughput with and without filtration membrane. The layer thickness measurements were made after adjustment of the baths.
  • the dots lie on the Hullzellenblechen 3 cm from the bottom and 2.5 cm from the left and right lateral edge. On the left side is the high current density (point A) and on the right the low current density (point B).
  • the average layer thickness is about 35% higher in a new batch in the high current density range and about 19% higher in the low current density range as if one had not used a filtration membrane. In the old batch, it is on average 17% and 12% higher than without filtration membrane.
  • a filtration membrane is produced after a throughput of> 1000 Ah / l introduced after a short time comparable to a new approach current efficiency.
  • Table 3 shows the average consumption (1 / 10,000 Ah) of the electrolyte in the bath for filtration membrane electroplating baths according to the invention and baths which do not have this membrane.
  • the organic consumption was reduced between 12 and 29% depending on the additive.
  • Complexing agent quadrol, polyethylenimine Brilliant addition: pyridine-N-propane-3-sulfonic acid
  • composition of the aforementioned baths were analyzed according to the tests described above. Of particular interest was their cyanide content. This was much lower when using the baths according to the invention with a filtration membrane as baths without membrane. As shown in Table 4 below, a bath without the membrane had a cyanide content of 680 mg / L (new batch) and 790 mg / L (bath of> 1000 Ah / L), respectively, while the corresponding membrane baths contained a cyanide Content of 96 mg / L or 190 mg / L.
  • the cyanide content of an old batch ie a bath with> 1000 Ah / l can be reduced when it is provided with a filtration membrane and operated.
  • the cyanide content was reduced from 670 mg / l to 190 mg / l.
  • the color of the baths was also evaluated. It was found that the color of a freshly prepared bath without membrane changed from initially violet-orange to brown within 15 Ah / l, whereby it remained purple or violet-orange over the entire time when using a filtration membrane. The old batch remained brown without using a membrane and the color changed to orange-brown after 15 Ah / l using a filtration membrane. Violet is also the color of freshly applied baths, which then turn to orange (after a few Ah / l) and at high throughput in brown.
  • the voltage between anode and cathode was measured. It was about 3 V and was only about 50-100 mV higher in both approaches using a filtration membrane. Is used instead of the filtration membrane an ion exchange membrane, as in the WO 00/06807 described is, the voltage is higher by at least 500 mV. This again shows the advantage of using a filtration membrane instead of an ion exchange membrane.
  • the use of filtration membranes over the use of ion exchange membranes offers many advantages.
  • the coating process carried out therewith is more cost-effective, since no platinized anodes have to be used, catholyte and anolyte can have the same composition, and thus no circulation for the anolyte is required.

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  • 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)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
EP05009127A 2005-04-26 2005-04-26 Bain galvanique contenant une membrane de filtration Expired - Lifetime EP1717353B1 (fr)

Priority Applications (15)

Application Number Priority Date Filing Date Title
AT05009127T ATE429528T1 (de) 2005-04-26 2005-04-26 Alkalisches galvanikbad mit einer filtrationsmembran
EP09152660.8A EP2050841B1 (fr) 2005-04-26 2005-04-26 Bain galvanique alcalin doté d'une membrane de filtration
ES05009127T ES2324169T3 (es) 2005-04-26 2005-04-26 Baño galvanico alcalino con una membrana de filtracion.
ES09152660.8T ES2574158T3 (es) 2005-04-26 2005-04-26 Baño galvánico alcalino con una membrana de filtración
EP05009127A EP1717353B1 (fr) 2005-04-26 2005-04-26 Bain galvanique contenant une membrane de filtration
DE502005007138T DE502005007138D1 (de) 2005-04-26 2005-04-26 Alkalisches Galvanikbad mit einer Filtrationsmembran
KR1020077019889A KR101301275B1 (ko) 2005-04-26 2006-04-26 여과막을 가지는 알칼리 전기도금조
JP2008508150A JP4955657B2 (ja) 2005-04-26 2006-04-26 ろ過膜を備えたアルカリ電気めっき浴
CA2600273A CA2600273C (fr) 2005-04-26 2006-04-26 Bain galvanoplastique alcalin a membrane de filtration
BRPI0610765A BRPI0610765B1 (pt) 2005-04-26 2006-04-26 banho alcalino de eletrogalvanização tendo uma membrana de filtração
CNA2006800094924A CN101146934A (zh) 2005-04-26 2006-04-26 具有滤过膜的碱性电镀浴
PCT/EP2006/003883 WO2006114305A1 (fr) 2005-04-26 2006-04-26 Bain galvanoplastique alcalin a membrane de filtration
CN201510173898.7A CN104911676B (zh) 2005-04-26 2006-04-26 具有滤过膜的碱性电镀浴
US11/912,591 US8293092B2 (en) 2005-04-26 2006-04-26 Alkaline electroplating bath having a filtration membrane
CN201510173915.7A CN104911651A (zh) 2005-04-26 2006-04-26 具有滤过膜的碱性电镀浴

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP05009127A EP1717353B1 (fr) 2005-04-26 2005-04-26 Bain galvanique contenant une membrane de filtration

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP09152660.8A Division EP2050841B1 (fr) 2005-04-26 2005-04-26 Bain galvanique alcalin doté d'une membrane de filtration

Publications (2)

Publication Number Publication Date
EP1717353A1 true EP1717353A1 (fr) 2006-11-02
EP1717353B1 EP1717353B1 (fr) 2009-04-22

Family

ID=35530823

Family Applications (2)

Application Number Title Priority Date Filing Date
EP05009127A Expired - Lifetime EP1717353B1 (fr) 2005-04-26 2005-04-26 Bain galvanique contenant une membrane de filtration
EP09152660.8A Revoked EP2050841B1 (fr) 2005-04-26 2005-04-26 Bain galvanique alcalin doté d'une membrane de filtration

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP09152660.8A Revoked EP2050841B1 (fr) 2005-04-26 2005-04-26 Bain galvanique alcalin doté d'une membrane de filtration

Country Status (11)

Country Link
US (1) US8293092B2 (fr)
EP (2) EP1717353B1 (fr)
JP (1) JP4955657B2 (fr)
KR (1) KR101301275B1 (fr)
CN (3) CN101146934A (fr)
AT (1) ATE429528T1 (fr)
BR (1) BRPI0610765B1 (fr)
CA (1) CA2600273C (fr)
DE (1) DE502005007138D1 (fr)
ES (2) ES2324169T3 (fr)
WO (1) WO2006114305A1 (fr)

Cited By (5)

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WO2009044266A3 (fr) * 2007-10-05 2010-01-21 Create New Technology S.R.L. Système et procédé de plaquage par des alliages métalliques à l'aide d'une technologie galvanique
EP2184384A1 (fr) 2008-11-11 2010-05-12 Enthone, Inc. Bain galvanique et procédé pour la déposition de couches contenant du zinc
EP2384800A1 (fr) 2010-05-07 2011-11-09 Dr.Ing. Max Schlötter GmbH & Co. KG Régénération d'électrolytes nickel-zinc alcalins par la suppression de cyanidiones
EP3358045A1 (fr) 2017-02-07 2018-08-08 Dr.Ing. Max Schlötter GmbH & Co. KG Procédé de dépôt par placage de revêtements en zinc et en alliage de zinc à partir d'un bain de revêtement alcalin à élimination réduite des additifs de bain organiques
EP3415665A1 (fr) 2017-06-14 2018-12-19 Dr.Ing. Max Schlötter GmbH & Co. KG Procédé de dépôt galvanique de revêtements d'alliage zinc/nicel à partir d'un bain d'alliage nickel/zinc à élimination réduite des additifs

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EP2784189A1 (fr) 2013-03-28 2014-10-01 Coventya SAS Bain d'électrodéposition d'alliages zinc-fer, procédé de dépôt d'alliage zinc-fer sur un dispositif et ledit dispositif
US11649558B2 (en) 2015-03-13 2023-05-16 Okuno Chemical Industries Co., Ltd. Electrolytic stripping agent for jig
JP5830203B1 (ja) 2015-07-22 2015-12-09 ディップソール株式会社 亜鉛合金めっき方法
BR112015028629A2 (pt) * 2015-07-22 2017-07-25 Dipsol Chem método de eletrogalvanização de liga de zinco
US11913131B2 (en) * 2016-05-24 2024-02-27 Macdermid, Incorporated Ternary zinc-nickel-iron alloys and alkaline electrolytes or plating such alloys
CA3032224A1 (fr) 2016-07-29 2018-02-01 Simon Fraser University Procede de depot electrochimique
PT3461933T (pt) * 2017-09-28 2019-12-09 Atotech Deutschland Gmbh Método para depositar eletroliticamente uma camada de liga de zinco-níquel em, pelo menos, um substrato a ser tratado
US11165091B2 (en) 2018-01-23 2021-11-02 City University Of Hong Kong Battery system and a method of forming a battery
EP3914757B1 (fr) * 2019-01-24 2023-04-05 Atotech Deutschland GmbH & Co. KG Procede de dépôt électrolytique d'un alliage zinc-nickel utilsant un système d'anode à membrane
JP6582353B1 (ja) 2019-02-15 2019-10-02 ディップソール株式会社 亜鉛又は亜鉛合金電気めっき方法及びシステム
RU2712582C1 (ru) * 2019-07-16 2020-01-29 Федеральное государственное бюджетное образовательное учреждение высшего образования "Ивановский государственный химико-технологический университет" Электролит для электроосаждения цинк-железных покрытий
EP4273303A1 (fr) * 2022-05-05 2023-11-08 Atotech Deutschland GmbH & Co. KG Procédé de dépôt d'un alliage zinc-nickel sur un substrat, bain de dépôt zinc-nickel aqueux, agent d'éclaircissement et son utilisation

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009044266A3 (fr) * 2007-10-05 2010-01-21 Create New Technology S.R.L. Système et procédé de plaquage par des alliages métalliques à l'aide d'une technologie galvanique
US8668817B2 (en) 2007-10-05 2014-03-11 Creat New Technology S.R.L. System and method of plating metal alloys by using galvanic technology
EP2184384A1 (fr) 2008-11-11 2010-05-12 Enthone, Inc. Bain galvanique et procédé pour la déposition de couches contenant du zinc
EP2384800A1 (fr) 2010-05-07 2011-11-09 Dr.Ing. Max Schlötter GmbH & Co. KG Régénération d'électrolytes nickel-zinc alcalins par la suppression de cyanidiones
EP3358045A1 (fr) 2017-02-07 2018-08-08 Dr.Ing. Max Schlötter GmbH & Co. KG Procédé de dépôt par placage de revêtements en zinc et en alliage de zinc à partir d'un bain de revêtement alcalin à élimination réduite des additifs de bain organiques
WO2018146041A1 (fr) 2017-02-07 2018-08-16 Dr.-Ing. Max Schlötter Gmbh & Co. Kg Procédé pour le dépôt électrolytique de revêtements de zinc et d'alliage de zinc à partir d'un bain de revêtement alcalin, avec dégradation réduite des additifs organiques du bain
EP3415665A1 (fr) 2017-06-14 2018-12-19 Dr.Ing. Max Schlötter GmbH & Co. KG Procédé de dépôt galvanique de revêtements d'alliage zinc/nicel à partir d'un bain d'alliage nickel/zinc à élimination réduite des additifs

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BRPI0610765B1 (pt) 2017-04-04
US20090107845A1 (en) 2009-04-30
EP2050841A1 (fr) 2009-04-22
US8293092B2 (en) 2012-10-23
CN104911651A (zh) 2015-09-16
CN104911676A (zh) 2015-09-16
CN101146934A (zh) 2008-03-19
ES2324169T3 (es) 2009-07-31
CA2600273A1 (fr) 2006-11-02
DE502005007138D1 (de) 2009-06-04
EP1717353B1 (fr) 2009-04-22
EP2050841B1 (fr) 2016-05-11
CN104911676B (zh) 2017-11-17
KR101301275B1 (ko) 2013-08-29
ES2574158T3 (es) 2016-06-15
BRPI0610765A2 (pt) 2010-07-20
JP2008539329A (ja) 2008-11-13
CA2600273C (fr) 2014-08-12
JP4955657B2 (ja) 2012-06-20
WO2006114305A1 (fr) 2006-11-02
ATE429528T1 (de) 2009-05-15
KR20070122454A (ko) 2007-12-31

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