EP2143828B1 - Elektrolyt und Verfahren zur Ablagerung einer matten Metallschicht - Google Patents

Elektrolyt und Verfahren zur Ablagerung einer matten Metallschicht Download PDF

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Publication number
EP2143828B1
EP2143828B1 EP08012262.5A EP08012262A EP2143828B1 EP 2143828 B1 EP2143828 B1 EP 2143828B1 EP 08012262 A EP08012262 A EP 08012262A EP 2143828 B1 EP2143828 B1 EP 2143828B1
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EP
European Patent Office
Prior art keywords
electrolyte
metal
deposited
composition
concentration
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.)
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Application number
EP08012262.5A
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English (en)
French (fr)
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EP2143828A1 (de
Inventor
Andreas KÖNIGSHOFEN
Danica Elbick
Helmut Starke
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MacDermid Enthone Inc
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Enthone Inc
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.)
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Publication date
Priority to EP08012262.5A priority Critical patent/EP2143828B1/de
Application filed by Enthone Inc filed Critical Enthone Inc
Priority to ES08012262.5T priority patent/ES2615337T3/es
Priority to JP2011517566A priority patent/JP5647979B2/ja
Priority to US13/003,398 priority patent/US20110233065A1/en
Priority to KR1020117002872A priority patent/KR101663841B1/ko
Priority to PCT/US2009/049932 priority patent/WO2010006045A1/en
Priority to CN2009801346466A priority patent/CN102144049B/zh
Publication of EP2143828A1 publication Critical patent/EP2143828A1/de
Application granted granted Critical
Publication of EP2143828B1 publication Critical patent/EP2143828B1/de
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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

Definitions

  • This invention relates to an electrolyte as well as a method for the deposition of a matt metal layer on a substrate surface.
  • the invention relates to an electrolyte which has a low concentration of the deposition metal and a method to deposit a matt metal layer by using such electrolytes.
  • the intention when depositing metal layers on substrate surfaces to gain a plain and glossy metal layer on the substrate surface may have functional properties, which properties can optimise the substrate surface for the later proposal, or decorative effects should be obtained.
  • the substrate sometimes it is preferred to have a non-glossy, matt or so-called pearlbrite metal layer on the substrate surface.
  • this intention can be based on the optical appearance of the deposit, on the other side matt or so-called pearlbrite deposits have specific technical properties, like for example to be non-glare, which properties may be desirable for technical or decorative use.
  • the application area for such a matt or pearlbrite metal layers is, for example, jewellery industry, fitting industry, automotive industry, as well as optical or fine mechanical industry. Especially in these areas non-glare metal layers are desired.
  • the deposition of matt or pearlbrite metal layers of non-allergic or low allergic metals is requested. The same is true for the application of matt or pearlbrite metal layers in the area of kitchen machinery and kitchen implements.
  • the substrate surface can be adapted to the later technical use.
  • the ductility, the hardness, the corrosion resistance, or comparable mechanical properties of the substrate surface can be optimised.
  • the international patent application WO 2007/076898 discloses an electrolyte as well as a method for the deposition of matt metal layers, especially of the metals vanadium, chrome, manganese, iron, cobalt, nickel, copper, zinc, ruthenium, rhodium, palladium, silver, indium, tin, antimony, tellurium, rhenium, platinum, gold, thallium, bismuth, or alloys of these.
  • an emulsion and/or dispersion is formed in the electrolyte by addition of an emulsion agent and/or dispersion agent, or a wetting agent.
  • a drawback of the electrolyte as well as the method known from the state of the art is that sometimes it is difficult to gain even deposits on the substrate surface.
  • an electrolyte for the deposition of a matt metal layer of a metal of the group consisting of Co, Ni, Cu, Sn, or an alloy of these metals on a substrate surface, wherein the electrolyte comprises a substituted or unsubstituted polyalkylene oxide or a derivate of a substituted or unsubstituted polyalkylene oxide, or a wetting agent, wherein the wetting agent is fluorated or perfluorated, or is a quaternary ammonium compound substituted with a polyalkalylene oxide, for building an emulsion and/or dispersion in the electrolyte, characterised in that the electrolyte comprises at least one halogenide, sulphate, or sulfonate of an element of the group consisting of sodium, potassium, aluminium, magnesium, or boron. In an embodiment, a methanesulfonate of sodium, potassium, or magnesium is preferred. In another embodiment, aluminium sulphate
  • the cloud point is exceeded, which effect is to be avoided by normal plating electrolytes, but here leads to the desired matt effect of the deposited metal layer.
  • the addition of the mentioned inert compounds which do not comprise any depositable metal cations increases the density so that a matt metal layer is deposited even at a very low concentration of plating metal in the electrolyte.
  • the electrolyte comprises a density increasing compound within a concentration in the range of from 2 0% to 100% by weight of the concentration of the metal to be deposited.
  • the alkali compound or alkaline earth compound is comprised in the inventive electrolyte in a range between 20% to 60% by weight of the concentration of the metal to be deposited.
  • a surface active wetting agent to the inventive electrolyte is possible.
  • the addition of a surface active wetting agent supports the even deposition of metal layers further.
  • the addition of surface active wetting agents was not possible since those surface active wetting agents would influence the formation of an emulsion and/or dispersion in the electrolyte, thereby influencing the matt or pearlbrite effect of the electrolyte. If surface active wetting agents were added to the electrolytes known from the state of the art, the deposited metal layers turned to be glossy instead of being non-glare.
  • the addition of surface active wetting agents is possible without influencing the matt effect of the electrolyte.
  • the surface active wetting agent which can be added to the inventive electrolyte may be a wetting agent of the group consisting of alkyl sulphates, sulfosuccinic acid, and betaines.
  • the surface active wetting agent may be comprised in the inventive electrolyte in a concentration between 0,01 mol/l and 100 mol/l, preferably between 0,1 mol/l and 10 mol/l.
  • the density increasing compound in the inventive electrolyte is sodium sulphate, magnesium sulphate, or aluminium sulphate.
  • the object of the invention is solved by a method for the electrolytic deposition of a matt metal layer on a substrate surface, which matt metal layer is deposited from an electrolyte forming an emulsion and/or dispersion by conducting a current between a cathodic contacted substrate surface and an anode, which method is characterised in that 10 to 50% by weight of the metal to be deposited comprised in the electrolyte is substituted by at least on density increasing halogenide, sulphate, or sulphonate of an element of the group consisting of sodium, potassium, aluminium, magnesium, or boron.
  • Ni-electrolyte comprising:

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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)
  • Electroplating Methods And Accessories (AREA)

Claims (3)

  1. Verfahren zum elektrolytischen Abscheiden einer matten Schicht aus einem Metall aus der Gruppe bestehend aus Co, Ni, Cu, Sn oder einer Legierung dieser Metalle auf einer Substratoberfläche von einem Elektrolyt, der eine Emulsion und/oder Dispersion bildet, durch Leiten eines Stroms zwischen einem kathodisch kontaktierten Substrat und einer Anode, wobei das Verfahren die Schritte aufweist:
    a) Auswählen einer ersten Zusammensetzung für einen Elektrolyten, die dazu geeignet ist, eine matte Metallschicht eines Metalls der vorstehend erwähnten Gruppe auf der Substratoberfläche abzuscheiden, wobei die Zusammensetzung eine Konzentration des abzuscheidenden Metalls aufweist, und wobei die Zusammensetzung ein substituiertes oder unsubstituiertes Polyalkylenoxid oder ein Derivat eines substituierten oder unsubstituierten Polyalkylenoxids oder ein Benetzungsmittel aufweist, um eine Emulsion und/oder Dispersion zu bilden, wobei das Benetzungsmittel ein fluoriertes oder perfluoriertes Benetzungsmittel oder eine mit dem Polyalkylenoxid substituierte quaternäre Ammoniumverbindung ist;
    b) Herstellen eines auf der ersten Zusammensetzung basierenden Metallisierungselektrolyts, wobei 10 bis 50 Gew.-% des gemäß der ersten Zusammensetzung abzuscheidenden Metalls durch mindestens ein die Dichte erhöhendes Halogenid, Sulfat oder Sulfonat eines Elements der Gruppe bestehend aus Natrium, Kalium, Aluminium, Magnesium oder Bor ersetzt ist, um die Konzentration des abzuscheidenden Metalls im Vergleich zur ersten Zusammensetzung zu reduzieren, und wobei die Konzentration der die Dichte erhöhenden Verbindung im Bereich zwischen 20 Gew.-% und 100 Gew.-% der Konzentration des abzuscheidenden Metalls beträgt; und
    c) Inkontaktbringen der Substratoberfläche mit dem in Schritt b) erhaltenen Metallisierungselektrolyt und Zuführen des Stroms.
  2. Verfahren nach Anspruch 1, wobei die in Schritt a) ausgewählte Zusammensetzung ein oberflächenaktives Benetzungsmittel in einer Konzentration innerhalb des Bereichs von 0,01 Mol/l und 100 Mol/l aufweist, wobei das oberflächenaktive Benetzungsmittel ausgewählt ist aus der Gruppe bestehend aus Alkylsulfaten, Sulfobernsteinsäure und Betainen.
  3. Verfahren nach Anspruch 1 oder 2, wobei der Elektrolyt gemäß Schritt b) mindestens eine Verbindung der Gruppe bestehend aus Methansulfonat, Kaliummethansulfonat, Magnesiummethansulfonat, Aluminiumsulfat oder Bortetrafluorid aufweist.
EP08012262.5A 2008-07-08 2008-07-08 Elektrolyt und Verfahren zur Ablagerung einer matten Metallschicht Active EP2143828B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
ES08012262.5T ES2615337T3 (es) 2008-07-08 2008-07-08 Electrolito y método para depositar una capa metálica mate
EP08012262.5A EP2143828B1 (de) 2008-07-08 2008-07-08 Elektrolyt und Verfahren zur Ablagerung einer matten Metallschicht
US13/003,398 US20110233065A1 (en) 2008-07-08 2009-07-08 Electrolyte and method for deposition of matte metal layer
KR1020117002872A KR101663841B1 (ko) 2008-07-08 2009-07-08 무광택 금속 층을 침착시키기 위한 전해질 및 방법
JP2011517566A JP5647979B2 (ja) 2008-07-08 2009-07-08 つや消し金属層の堆積のための電解質および方法
PCT/US2009/049932 WO2010006045A1 (en) 2008-07-08 2009-07-08 Electrolyte and method for deposition of matte metal layer
CN2009801346466A CN102144049B (zh) 2008-07-08 2009-07-08 电解质和无光泽金属层的淀积方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08012262.5A EP2143828B1 (de) 2008-07-08 2008-07-08 Elektrolyt und Verfahren zur Ablagerung einer matten Metallschicht

Publications (2)

Publication Number Publication Date
EP2143828A1 EP2143828A1 (de) 2010-01-13
EP2143828B1 true EP2143828B1 (de) 2016-12-28

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EP08012262.5A Active EP2143828B1 (de) 2008-07-08 2008-07-08 Elektrolyt und Verfahren zur Ablagerung einer matten Metallschicht

Country Status (7)

Country Link
US (1) US20110233065A1 (de)
EP (1) EP2143828B1 (de)
JP (1) JP5647979B2 (de)
KR (1) KR101663841B1 (de)
CN (1) CN102144049B (de)
ES (1) ES2615337T3 (de)
WO (1) WO2010006045A1 (de)

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TWM404224U (en) * 2010-07-21 2011-05-21 guang-xi Guo Improved structure for silverware
EP2568063A1 (de) * 2011-09-09 2013-03-13 Rohm and Haas Electronic Materials LLC Kupfer-Elektroplattierverfahren mit geringer innerer Spannung
PL2620529T3 (pl) * 2012-01-25 2014-09-30 Atotech Deutschland Gmbh Sposób wytwarzania matowych warstw miedzianych
US10056636B1 (en) * 2013-10-03 2018-08-21 Primus Power Corporation Electrolyte compositions for use in a metal-halogen flow battery
CN104404583A (zh) * 2014-12-22 2015-03-11 常熟市伟达电镀有限责任公司 一种铝镁合金电镀液
JPWO2017077655A1 (ja) * 2015-11-06 2018-08-16 株式会社Jcu ニッケルめっき用添加剤およびこれを含有するサテンニッケルめっき浴
CN109680310B (zh) * 2019-01-04 2020-07-07 中国计量大学 一种镍锑电镀液及其制备方法
JP7078185B2 (ja) * 2020-03-03 2022-05-31 日本製鉄株式会社 Niめっき鋼板、及びその製造方法

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Also Published As

Publication number Publication date
US20110233065A1 (en) 2011-09-29
KR20110031224A (ko) 2011-03-24
WO2010006045A1 (en) 2010-01-14
JP2011527730A (ja) 2011-11-04
JP5647979B2 (ja) 2015-01-07
KR101663841B1 (ko) 2016-10-07
CN102144049B (zh) 2013-07-31
CN102144049A (zh) 2011-08-03
ES2615337T3 (es) 2017-06-06
EP2143828A1 (de) 2010-01-13

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