EP1301655A2 - Verfahren zur elektrolytischen verzinkung aus alkansulfonsäurehaltigen elektrolyten - Google Patents
Verfahren zur elektrolytischen verzinkung aus alkansulfonsäurehaltigen elektrolytenInfo
- Publication number
- EP1301655A2 EP1301655A2 EP01971759A EP01971759A EP1301655A2 EP 1301655 A2 EP1301655 A2 EP 1301655A2 EP 01971759 A EP01971759 A EP 01971759A EP 01971759 A EP01971759 A EP 01971759A EP 1301655 A2 EP1301655 A2 EP 1301655A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- zinc
- active compounds
- electrolyte
- ionic
- acid
- 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
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
- C25D3/56—Electroplating: Baths therefor from solutions of alloys
- C25D3/565—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of zinc
-
- 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
- C25D3/22—Electroplating: Baths therefor from solutions of zinc
Definitions
- the invention relates to a method for the electrolytic coating of metals with zinc or a zinc alloy, an electrolyte composition for the electrolytic coating of steel or iron with zinc or zinc alloys and the use of additives to improve the surface roughness and avoid dendritic edge growth in the electrolytic coating of metals with zinc or a zinc alloy.
- the corresponding workpieces are often galvanized, since this has advantages over other galvanizing processes such as hot-dip galvanizing, sheradizing, spraying processes: a) any choice of the thickness of the zinc layer; b) no formation of brittle, intermetallic compounds at the iron / zinc interface; c) low energy consumption; d) no change in the workpieces due to the influence of heat; e) no waste of hard zinc or zinc ash; f) Cleaner work, since galvanizing takes place at relatively low temperatures between room temperature and around 10 ° C and no harmful vapors are released; g) more uniform zinc coatings.
- EP-A 0 786 539 also relates to electrolytes for the galvanic deposition of zinc at high current densities, which are intended to reduce the usual problems which occur at these current densities.
- An electrolyte based on methanesulfonic acid and a water-soluble zinc organosulfonate is used.
- This additive is a polyoxyalkylene glycol homo- or copolymer based on alkylene oxides with 2 to 4 carbon atoms.
- water-soluble boron oxide compounds, lignin compounds and / or a sulfonated condensation product of naphthalene and formaldehyde may additionally be present in the electrolytes according to this application.
- alkanesulfonic acid used in particular methanesulfonic acid, enables good conductivity of the electrolyte, high possible current densities and very good scattering when depositing zinc or zinc alloys.
- the method according to the invention is suitable for a current density range of 10 to 500 A / dm 2 , preferably 20 to 400 A dm 2 , particularly preferably 20 to 300 A / dm 2 .
- the current densities used depend, among other things, on the area of application.
- the polyethyleneimines can be both high molecular weight and low molecular weight, with average molecular weights from 400 to 1,000,000, with the low molecular weight polyethyleneimines with average molecular weights from 600 to 5,000 being preferred. They are generally manufactured using customary methods.
- the polyethyleneimines are preferably used in electrolytes containing an alkanesulfonic acid, preferably methanesulfonic acid.
- Suitable polyethyleneimines are the types Lugalvan® G 15000 as well as Lugalvan® G 20 and Lugalvan® G 35.
- an electrolyte composition is used, containing additives selected from polyethyleneimines and reaction products of amines with epichlorohydrin, sulfates, preferably ether sulfates or alkyl sulfates with at least 5 carbon atoms, e.g. Ethyl hexyl sulfate, sulfonates, preferably reaction products of propane sultone, and isethionates and sorbitol, which can be alkoxylated, preferably ethoxylated.
- additives selected from polyethyleneimines and reaction products of amines with epichlorohydrin, sulfates, preferably ether sulfates or alkyl sulfates with at least 5 carbon atoms, e.g. Ethyl hexyl sulfate, sulfonates, preferably reaction products of propane sultone, and isethionates and sorbitol, which can be alkoxyl
- Example 4 shows the dendrite growth in an electrolyte according to Example 2 a) without an additive; b) recognizable with the addition of Lugalvan® IZE 3.
- the base electrolyte from Example 3 was mixed with 4 g / 1 Lutensit® A-IS (isethionate). The burn was very low and the dendrite growth was moderate and the deposition was very even.
- Example 18 shows the dendrite growth in an electrolyte according to Example 3 with the addition of Lugalvan® IZE 2 and Lutensit® TC-EHS.
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)
- Electroplating Methods And Accessories (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrolytic Production Of Metals (AREA)
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10033433A DE10033433A1 (de) | 2000-07-10 | 2000-07-10 | Verfahren zur elektrolytischen Verzinkung aus alkansulfonsäurehaltigen Elektrolyten |
DE10033433 | 2000-07-10 | ||
PCT/EP2001/007876 WO2002004713A2 (de) | 2000-07-10 | 2001-07-09 | Verfahren zur elektrolytischen verzinkung aus alkansulfonsäurehaltigen elektrolyten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1301655A2 true EP1301655A2 (de) | 2003-04-16 |
EP1301655B1 EP1301655B1 (de) | 2004-05-26 |
Family
ID=7648386
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01971759A Expired - Lifetime EP1301655B1 (de) | 2000-07-10 | 2001-07-09 | Verfahren zur elektrolytischen verzinkung aus alkansulfonsäurehaltigen elektrolyten |
Country Status (14)
Country | Link |
---|---|
US (1) | US6811673B2 (de) |
EP (1) | EP1301655B1 (de) |
JP (1) | JP2004502876A (de) |
CN (1) | CN1188550C (de) |
AT (1) | ATE267895T1 (de) |
AU (2) | AU2001291667B2 (de) |
BR (1) | BR0112349A (de) |
CA (1) | CA2415341A1 (de) |
DE (2) | DE10033433A1 (de) |
ES (1) | ES2220806T3 (de) |
MX (1) | MXPA03000018A (de) |
PL (1) | PL359778A1 (de) |
TW (1) | TWI229151B (de) |
WO (1) | WO2002004713A2 (de) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7582385B2 (en) | 2002-06-25 | 2009-09-01 | Applied Intellectual Capital Limited | Zinc air battery with acid electrolyte |
DE102005040964A1 (de) * | 2005-08-30 | 2007-03-01 | Dr. M. Kampschulte Gmbh & Co. Kg | Matte Zinkbeschichtung und Verfahren zur Abscheidung matter Zinkschichten |
DE102006042076A1 (de) * | 2006-09-05 | 2008-03-20 | Goldschmidt Tib Gmbh | Ein neues Additiv für Chromelektrolyte |
JP5497261B2 (ja) * | 2006-12-15 | 2014-05-21 | ローム・アンド・ハース・エレクトロニック・マテリアルズ,エル.エル.シー. | インジウム組成物 |
EP2848714B1 (de) * | 2008-04-22 | 2016-11-23 | Rohm and Haas Electronic Materials LLC | Verfahren zum Nachfüllen von Indiumionen in Indium-Elektroplattierzusammensetzungen |
JP5299994B2 (ja) * | 2008-07-30 | 2013-09-25 | 株式会社ブリヂストン | 銅−亜鉛合金電気めっき浴および銅−亜鉛合金めっき付きスチールコード用ワイヤ |
CN102597329B (zh) * | 2009-07-30 | 2015-12-16 | 巴斯夫欧洲公司 | 包含抑制剂的无空隙亚微米结构填充用金属电镀组合物 |
US8497359B2 (en) * | 2010-02-26 | 2013-07-30 | Ppg Industries Ohio, Inc. | Cationic electrodepositable coating composition comprising lignin |
US9234291B2 (en) | 2010-09-09 | 2016-01-12 | Globalfoundries Inc. | Zinc thin films plating chemistry and methods |
JP5467374B2 (ja) * | 2011-08-25 | 2014-04-09 | ユケン工業株式会社 | 軸体に電気めっきを形成するための装置、めっき皮膜を有する軸体の製造方法および軸体上に亜鉛系めっき皮膜を形成するためのめっき液 |
CN106757189A (zh) * | 2015-11-23 | 2017-05-31 | 湖南衡阳新澧化工有限公司 | 一种含硫酸盐的添加剂及其制备方法 |
JP6948053B2 (ja) * | 2017-01-12 | 2021-10-13 | 上村工業株式会社 | フィリングめっきシステム及びフィリングめっき方法 |
CN114597386B (zh) * | 2022-02-22 | 2023-05-12 | 浙江大学 | 一种锌金属电极及其制备方法和应用 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4100040A (en) * | 1976-10-26 | 1978-07-11 | Columbia Chemical Corporation | Electrodeposition of bright zinc utilizing aliphatic ketones |
DE2740592C2 (de) * | 1977-09-09 | 1981-11-19 | Basf Ag, 6700 Ludwigshafen | Galvanisches Zinkbad |
CA1134317A (en) * | 1978-01-16 | 1982-10-26 | Sylvia Martin | Zinc electroplating bath |
US4207150A (en) | 1978-01-25 | 1980-06-10 | Oxy Metal Industries Corporation | Electroplating bath and process |
IT1206252B (it) * | 1986-03-03 | 1989-04-14 | Omi Int Corp | Elettrolita per l'elettrodeposizione di leghe di zinco |
DE3816419C1 (de) * | 1988-05-13 | 1989-04-06 | Rasselstein Ag, 5450 Neuwied, De | |
US5616232A (en) | 1994-09-28 | 1997-04-01 | Nippon Steel Corporation | Process for producing zinc-chromium alloy-electroplated steel plate |
DE69603209T2 (de) | 1995-02-15 | 1999-11-11 | Atotech Usa Inc | Elektrogalvanisierungsverfahren auf Zinksulfatbasis mit hoher Stromdichte sowie die zugehörige Zusammensetzung |
EP0786539A2 (de) * | 1996-01-26 | 1997-07-30 | Elf Atochem North America, Inc. | Elektrogalvanisierungsverfahren mit hoher Stromdichte auf Zinkorganophosphonatbasis sowie die zugehörige Zusammensetzung |
US5788822A (en) | 1996-05-15 | 1998-08-04 | Elf Atochem North America, Inc. | High current density semi-bright and bright zinc sulfur-acid salt electrogalvanizing process and composition |
SG68083A1 (en) * | 1997-10-30 | 1999-10-19 | Sung Soo Moon | Tin alloy plating compositions |
-
2000
- 2000-07-10 DE DE10033433A patent/DE10033433A1/de not_active Withdrawn
-
2001
- 2001-07-09 DE DE50102424T patent/DE50102424D1/de not_active Expired - Fee Related
- 2001-07-09 AU AU2001291667A patent/AU2001291667B2/en not_active Ceased
- 2001-07-09 CA CA002415341A patent/CA2415341A1/en not_active Abandoned
- 2001-07-09 JP JP2002509564A patent/JP2004502876A/ja not_active Withdrawn
- 2001-07-09 ES ES01971759T patent/ES2220806T3/es not_active Expired - Lifetime
- 2001-07-09 AU AU9166701A patent/AU9166701A/xx active Pending
- 2001-07-09 EP EP01971759A patent/EP1301655B1/de not_active Expired - Lifetime
- 2001-07-09 PL PL35977801A patent/PL359778A1/xx unknown
- 2001-07-09 BR BR0112349-1A patent/BR0112349A/pt not_active IP Right Cessation
- 2001-07-09 US US10/332,578 patent/US6811673B2/en not_active Expired - Fee Related
- 2001-07-09 AT AT01971759T patent/ATE267895T1/de not_active IP Right Cessation
- 2001-07-09 MX MXPA03000018A patent/MXPA03000018A/es active IP Right Grant
- 2001-07-09 CN CNB018138705A patent/CN1188550C/zh not_active Expired - Fee Related
- 2001-07-09 WO PCT/EP2001/007876 patent/WO2002004713A2/de active IP Right Grant
- 2001-07-10 TW TW090116858A patent/TWI229151B/zh not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0204713A2 * |
Also Published As
Publication number | Publication date |
---|---|
TWI229151B (en) | 2005-03-11 |
JP2004502876A (ja) | 2004-01-29 |
ES2220806T3 (es) | 2004-12-16 |
AU2001291667B2 (en) | 2005-07-14 |
CA2415341A1 (en) | 2003-01-09 |
ATE267895T1 (de) | 2004-06-15 |
AU9166701A (en) | 2002-01-21 |
EP1301655B1 (de) | 2004-05-26 |
DE10033433A1 (de) | 2002-01-24 |
US20030141195A1 (en) | 2003-07-31 |
CN1446272A (zh) | 2003-10-01 |
WO2002004713A2 (de) | 2002-01-17 |
US6811673B2 (en) | 2004-11-02 |
CN1188550C (zh) | 2005-02-09 |
DE50102424D1 (de) | 2004-07-01 |
WO2002004713A3 (de) | 2002-08-15 |
MXPA03000018A (es) | 2003-07-14 |
PL359778A1 (en) | 2004-09-06 |
BR0112349A (pt) | 2003-07-01 |
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