DE2141940C2 - GALVANIC BATH FOR DEPOSITING TIN / NICKEL, TIN / COBALT OR TIN / NICKEL / COBALT COATINGS AND THE RELATED GALVANIZING PROCESS - Google Patents
GALVANIC BATH FOR DEPOSITING TIN / NICKEL, TIN / COBALT OR TIN / NICKEL / COBALT COATINGS AND THE RELATED GALVANIZING PROCESSInfo
- Publication number
- DE2141940C2 DE2141940C2 DE19712141940 DE2141940A DE2141940C2 DE 2141940 C2 DE2141940 C2 DE 2141940C2 DE 19712141940 DE19712141940 DE 19712141940 DE 2141940 A DE2141940 A DE 2141940A DE 2141940 C2 DE2141940 C2 DE 2141940C2
- Authority
- DE
- Germany
- Prior art keywords
- tin
- nickel
- cobalt
- coatings
- bath
- 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.)
- Expired
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
- C25D3/60—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of tin
-
- 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
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)
Description
3 43 4
geeignetes Bad kann je Liter in wäßriger Lösung Beispiel Isuitable bath can per liter in aqueous solution Example I
enthalten: Zusammensetzung:contain: Composition:
Nickelchlorid NiQ2 · 6 H2O .. 125 bis 450 g Nickelchlorid NiQ2 · 6H„O 250 gNickel chloride NiQ 2 · 6 H 2 O .. 125-450 g nickel chloride NiQ 2 · 6H "O 250 g
Zinn(II)-chlorid SnCl2 · 2 H2O 25 bis 110 g Zinn(II)-chlorid SnCl2 · 2 H2O ... 50 gTin (II) chloride SnCl 2 · 2 H 2 O 25 to 110 g Tin (II) chloride SnCl 2 · 2 H 2 O ... 50 g
AminonmmbißuoridNH4F HF 20 bis 100 g 5 Ammoniumbifluorid NH4F · HF .. 50 gAmmonium bifluoride NH 4 F HF 20 to 100 g 5 ammonium bifluoride NH 4 F · HF .. 50 g
Amin 40 bis 100 cms Diäthylentriamin 90 cm3 Amine 40 to 100 cm s diethylenetriamine 90 cm 3
(genug für pH (ergibt pH-Wert von 4,8)(enough for pH (results in a pH of 4.8)
zwischen 3,8 Wasser Restbetween 3.8 water rest
und 5,5)and 5.5)
Ein solches Bad wird beispielsweise angesetzt, indem e ι s ρ ι eSuch a bath is set up, for example, by e ι s ρ ι e
zunächst Nickelchlorid, Zinn(H)-chlorid und Am- Zusammensetzung:initially nickel chloride, tin (H) chloride and Am composition:
moniumbifluorid in den genannten Mengen in etwa Nickelchlorid NiQ2 · 6 H2O 250 gmonium bifluoride in the stated amounts approximately nickel chloride NiQ 2 · 6 H 2 O 250 g
400 cm3 Wasser gelöst werden, dann Amin in einer Zinn(II)-chlorid SnCl2-2 H2O ... 50 g400 cm 3 of water are dissolved, then amine in a tin (II) chloride SnCl 2 -2 H 2 O ... 50 g
Menge zugegegeben wird, bis sich ein pH-Wirt 15 Ammoniumbifluorid NH4F - HF .. 50 gAmount is added until a pH host is 15 ammonium bifluoride NH 4 F - HF .. 50 g
zwischen 3,8 und 5,5 einstellt, wonach dann das rest- Diäthylentriamin 110 cm3 adjusts between 3.8 and 5.5, after which the remaining diethylenetriamine 110 cm 3
liehe Volumen mit Wasser auf 11 Badfiüssigkeit aus- Salzsäure 20 cmLent volume with water to 11 bath liquid from hydrochloric acid 20 cm
gefüllt wird. Wasser Restis filled. Water rest
Es hat sich auch als vorteilhaft erwiesen, dem vorgenannten Bad organische Säuren, z. B. Milchsäure, 20 Beispiel ΓΙΙ Zitronensäurs, Essigsäure, Ameisensäure, Sulfonsäure Zusammensetzung·It has also proven advantageous to add organic acids, e.g. B. lactic acid, 20 example ΓΙΙ Citric acid, acetic acid, formic acid, sulfonic acid Composition
getan. Durch diese ZufUe wird die Fähigkeit des 20^Α5u|did. Through this to f Ue the ability of the 20 ^ Α5u is |
Bades, den Glanz des Untergrundes bei den Über- 25 V^ γ! 4 75 £m Bath, the shine of the subsoil with the above 25 V ^ γ! 4 £ 75 m
zügen beizubehalten, verbessert mm Ergibt pH von 4,8)to maintain tensile strength, improves mm, gives a pH of 4.8)
Be1 den bisher beschr.ebenen Badern kommt dem Diätnyientriamin 20 cm3 Be 1 the previously beschr.ebenen baths is the Diätny ientriamin 20 cm 3
Armn unter anderem die Aufgabe zu, de? pH-Wert ^. _J ur 20 cm3 Armn, among other things, the task of de? pH value ^. _ J ur 20 cm 3
des Bades auf einen Bereich zwischen 3,8 und 5,5 ein- ^, ^est of the bath to a range between 3.8 and 5.5 a ^, ^ est
zustellen. Alternativ kann die Einstellung des pH-to deliver. Alternatively, the adjustment of the pH
Wertes auch mittels Ammoniak vorgenommen werden. B e i s π i e 1 IVValue can also be made using ammonia. B e i s π i e 1 IV
In einem solchen Fall kann das Bad wie folgt angesetztIn such a case, the bath can be set up as follows
werden: Zusammensetzung:be: Composition:
Nickelchlorid NiCl2 · 6 H2O 250 gNickel chloride NiCl 2 · 6 H 2 O 250 g
Nickekhlorid NiCI2 · 6 H2O .. 200 bis 300 g 35 Zinn(II)-chlorid SnCl2 · 2 H2O ... 50 gNickel chloride NiCI 2 · 6 H 2 O .. 200 to 300 g 35 Tin (II) chloride SnCl 2 · 2 H 2 O ... 50 g
Zinn(n)-chlorid SnCl4-2 H2O 40 bis 60 g Ammoniumbifluorid NH4F - HF .. 50 gTin (n) chloride SnCl 4 -2 H 2 O 40 to 60 g ammonium bifluoride NH 4 F - HF .. 50 g
Ammoniumbifluorid NH4F-HF 20 bis 80 g Ammoniak 75 cmAmmonium bifluoride NH 4 F-HF 20 to 80 g ammonia 75 cm
Lösung von Amin und einer or- (ergibt pH von 4,8)Solution of amine and an or- (gives pH of 4.8)
ganischen und/oder anorgani- Diäthylentriamin 30 cm3 Ganic and / or inorganic diethylenetriamine 30 cm 3
sehen, nichtoxydierenderi Säure 40 Milchsäure 50 cm'see, non-oxidizing acid 40 lactic acid 50 cm '
bei einem pH-Wert von 3,8 bis Wasser Restat a pH of 3.8 until water remains
5,5 30 bis 80 cm3 5.5 30 to 80 cm 3
Ammoniak genug für pH B e i s ρ i e 1 VAmmonia enough for a pH of 1 V
3,8 bis 5,5 Zusammensetzung:3.8 to 5.5 Composition:
Selbstverständlich ist es auch möglich, das Bad "Of course it is also possible to use the bathroom "
Bevorzugt wird mit einem Bad gearbeitet, welches durch das Amin und/oder Ammoniak auf einen pH- so Wert von 4,8 eingestellt ist.Is preferably carried out with a bath which is set by the amine and / or ammonia to a pH value of 4.8 so.
Die Erfindung ist ebenfalls auf ein Galvanisierverfahren zum Abscheiden von Zinn/Nickel-, Zinn/The invention is also based on an electroplating process for depositing tin / nickel, tin /
■',KLcbsii cdcrZ:™s/N:ckc!/Kcbs!i-Schichicii ΰίΐί£Γ VcF-Wendung einesgalvanischen, Aminderivate und Fluorid- oder Fluoroboratsalze enthaltenden Bades gerichtet. Das erfindungsgemäße Verfahren besteht darin, daß dem Dad Äthylendiamin, Diäthylentriamin, Triäthylentetraamin. Mono-, Di- und/oder Triäthanolamin oder Pyridin in einer Menge bis 100 g/l zugesetzt wird.■ ', KLcbsii cdcrZ: ™ s / N: ckc! / Kcbs! I-Schichicii ΰίΐί £ Γ VcF-turn a galvanic bath containing amine derivatives and fluoride or fluoroborate salts. The inventive method consists in giving the Dad ethylenediamine, diethylenetriamine, triethylenetetraamine. Mono-, di- and / or triethanolamine or pyridine added in an amount of up to 100 g / l will.
Der Erfindung zufolge ist ferner noch vorgesehen, daß bei einer Temperatur von 60 bis 900C, bei einer Stromdichte von 0,1 bis 5 Ampere/dm2 und bei einem pH-Wert von 3,8 bis 5,5 gearbeitet wird.According to the invention, it is also provided that the work is carried out at a temperature of 60 to 90 ° C., at a current density of 0.1 to 5 amperes / dm 2 and at a pH of 3.8 to 5.5.
im folgenden sind einige bevorzugte Badzusammen-Setzungen angegeben, bezogen jeweils auf 1 1 fertige Badflüssigkeit.The following are some preferred bath compositions indicated, based in each case on 1 liter of finished bath liquid.
95 cm»95 cm »
Mit diesen Bädern wurde bei einer Badtemperatur von 75°C und bei einer mittleren Stromdichte von 4 Ampere/dm2 gearbeitet. Als Anode wurde ein Nickel-These baths were used at a bath temperature of 75 ° C. and an average current density of 4 amperes / dm 2 . A nickel-
biccn vci wendet. Es wurden verschiedene Gegenständebiccn vci turns. There were different items
wie Kannen aus Messingblech, Kameragehäuse und Flaschenöffner aus Eisen, Türgriffe aus Zinkdruckguß,
Obstsaftpressen aus Aluminium, Verkleidungen aus Stahl von Elektrogeräten, gedruckte elektrische Schaltungen,
mit Zinn/Nickel-Uberzügen versehen, welche den gleichen Glanz zeigten, der zuvor den Gegenständen,
z. B. durch Vernickeln, verliehe« worden war. Bei Grundkörpern aus Eisen, Stahl, Kupfer. Nickel
und Messing konnten die Überzüge unmittelbar aufgebrach! werden, während Grundkörpsr aus Zinn*
druckguß oder Aluminium vorher verkupfert wurden. Die Überzüge erwiesen sich als äußerst korrosionsfest
und sehr duktil.
Hierbei hat sich ebenfalls gezeigt, daß Schwan-such as jugs made of sheet brass, camera housings and bottle openers made of iron, door handles made of die-cast zinc, fruit juice presses made of aluminum, steel cladding of electrical appliances, printed electrical circuits, provided with tin / nickel coatings, which showed the same shine that was previously the objects, e.g. B. by nickel-plating. For base bodies made of iron, steel, copper. Nickel and brass could break open the coatings immediately! while base bodies made of die-cast tin or aluminum were previously copper-plated. The coatings were found to be extremely corrosion-resistant and very ductile.
It has also been shown that swan
kungen in der Badzusammensetzung, beispielsweise bedingt durch Verbrauch der einzelnen Komponenten, für das Verfahren unkritisch sind und keine erkennbare Änderungen im Aussehen der Zinn-Nickel-Uberzugc auftreten. Unter diesem Aspekt erwies sich der Zusatz einer Säure, insbesondere von Salzsäure, als sehr vorteilhaft. . __ ,changes in the bath composition, for example due to the consumption of the individual components, are not critical for the process and no noticeable changes in the appearance of the tin-nickel coatingc appear. From this point of view, the addition of an acid, particularly hydrochloric acid, turned out to be very good advantageous. . __,
Ähnlich gute Überzüge wurden ebenfalls mit Badern c-zielt die statt Nickelsalzen Kobaltsalze oder zusätzlich neben Nickelsalzen Kobaltsalze enthielten.Similar good coatings were also used with baths that contain cobalt salts instead of nickel salts or in addition contained cobalt salts in addition to nickel salts.
Claims (3)
wird. Ausgehend von einem Bad der eingangs genannten3. The method according to claim 2, characterized in that the background is uniform in depth that at a temperature of 60 to retained, bright (minimal or no reddish) 90 0 C, at a current density of 0.1 to 5 A / dm 2 Tin / nickel, tin / cobalt or tin / nickel / cobalt and worked at a pH value of 3.8 to 5.5 35 coatings of high ductility can be achieved,
will. Starting from a bathroom of the type mentioned at the beginning
28 g/l und Ammoniumbinuorid 35 g/l vorgeschlagen. Beim ersten Ansetzen werden dem Bad Zinn, NickelIt is known that electroplated tin by nickel plating gives. Another v orteil of the bath nickel coatings, in which tin and nickel in about 50 according to the invention is that also this present on the same atomic number of equally good Üiierziehen of base bodies of iron with tin / ^ corrosion resistance such as chromium coatings have nickel , Tin / cobalt and tin / nickel / cobalt overlay and that in this process the depth scattering can be used, for which purpose the known ^ is much better than with chrome plating. In which tin-nickel wheels cannot be used. Article "Electrodeposition of Tin-Nicktl AI! Ey Piste ^ Ok named amines can be contained individually or also in from Chloride-Fluoride Electrolytes", Journal of Combination in the bathroom. Basically Electrochemical Society, Vol. 100, Nr..3, March 1953, all amines can be used which form salts with hydrofluoric acid or USA., Is in detail the galvanic coating of hydrofluoric acid, whereby objects are of course coated with a tin / nickel layer. the restriction applies that the respective amine was written at. There an electrolyte made of tin (II) - 60 bath working temperature in the bath is soluble, at least 50 g / l chloride, 300 g / l nickel chloride, sodium fluoride is partially soluble and must not be volatile.
28 g / l and ammonium binuoride 35 g / l are suggested. When you first start the bath, tin, nickel
zug,· an der. versteckt oder tieferliegenden Stellen des Ein zur Herstellung von Zinn/Nickel-ÜberzügenThe coatings produced when such an electrolyte and optionally cobalt are added, however, are sulfate, sulfonate or chloride salts even when they are deposited. Here, on a z. B. high-gloss nickel-plated pad, 65 combinations can be provided by z. B. matt to at most semi-glossy, and in the case of hollow ware, nickel sulfate and tin (II) chloride are used next to each other or other uneven objects are to be used,
train, at the. hidden or deeper parts of the one for the production of tin / nickel coatings
Priority Applications (22)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712141940 DE2141940C2 (en) | 1971-08-21 | 1971-08-21 | GALVANIC BATH FOR DEPOSITING TIN / NICKEL, TIN / COBALT OR TIN / NICKEL / COBALT COATINGS AND THE RELATED GALVANIZING PROCESS |
DE2227417A DE2227417C3 (en) | 1971-08-21 | 1972-06-06 | Electroplating bath and electroplating process for depositing tin-nickel, tin-cobalt or tin-nickel-cobalt layers |
AT601272A AT316248B (en) | 1971-08-21 | 1972-07-13 | Electroplating bath and electroplating process for the deposition of tin / nickel, tin / cobalt or tin / nickel / cobalt layers |
ZA724905A ZA724905B (en) | 1971-08-21 | 1972-07-17 | Galvanization process and gavanic bath for pre cobalt or tin/nickel/cobalt layers |
GB3399772A GB1396540A (en) | 1971-08-21 | 1972-07-20 | Electrolytic baths and electrolytic processes |
AR243217A AR193416A1 (en) | 1971-08-21 | 1972-07-21 | GALVANIC BATH FOR THE DEPOSITION OF TANE, NICKEL, TANE-COBALT OR TANN-NICKEL-COBALT LAYERS AND GALVANIZATION PROCEDURE WITH APPLICATION OF SAID BAN |
AU45200/72A AU470046B2 (en) | 1971-08-21 | 1972-08-01 | Electrolytic process and electrolytic bath for precipitation of tin/nickel/tin/cobalt or tin/nickel/cobalt layers |
CH1147272A CH580688A5 (en) | 1971-08-21 | 1972-08-02 | |
ES405436A ES405436A1 (en) | 1971-08-21 | 1972-08-02 | Electrolytic baths and electrolytic processes |
YU2027/72A YU34913B (en) | 1971-08-21 | 1972-08-04 | Method for depositing tin/nickel layers |
NL7210910A NL7210910A (en) | 1971-08-21 | 1972-08-10 | |
CA149,441A CA989769A (en) | 1971-08-21 | 1972-08-15 | Galvanic bath containing fluoride or fluoroborate and amine derivative |
CS7200005666A CS184314B2 (en) | 1971-08-21 | 1972-08-15 | Bath for electroplating |
DD165097A DD98538A5 (en) | 1971-08-21 | 1972-08-17 | |
NO02970/72A NO130017B (en) | 1971-08-21 | 1972-08-18 | |
HUBE1145A HU164006B (en) | 1971-08-21 | 1972-08-18 | |
FR7229639A FR2150379B1 (en) | 1971-08-21 | 1972-08-18 | |
IT28273/72A IT964056B (en) | 1971-08-21 | 1972-08-18 | PROCEDURE OF GALVANIZATION AND GALVANIC BATH FOR THE DEPOSITION OF LAYERS OF TIN NICKEL TIN COBALT OR TIN NICKEL COBALT |
SE7210766A SE397847B (en) | 1971-08-21 | 1972-08-18 | GALVANIZATION PROCEDURE FOR PRECIPITATION OF TINN / NICKEL, TINN / COBOLT OR TINN / NICKEL / COBOLT LAYER USING A FLUORIDE OR FLUOROBORATE SALT AND AN AMINDIVATE CONTENT |
JP47083545A JPS4829640A (en) | 1971-08-21 | 1972-08-21 | |
BE787790A BE787790A (en) | 1971-08-21 | 1972-08-21 | METHOD AND BATH FOR THE ELECTROLYTIC DEPOSIT OF TIN AND NICKEL, TIN ETCOBALT, OR TIN, NICKEL AND COBALT |
BR005713/72A BR7205713D0 (en) | 1971-08-21 | 1972-08-21 | GALVANIC BATH AND GALVANIZATION PROCESS FOR DEPOSITING TINY-NIQUEL-COBALT OR TIN-NIQUEL-COBALT LAYERS |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19712141940 DE2141940C2 (en) | 1971-08-21 | 1971-08-21 | GALVANIC BATH FOR DEPOSITING TIN / NICKEL, TIN / COBALT OR TIN / NICKEL / COBALT COATINGS AND THE RELATED GALVANIZING PROCESS |
DE2227417A DE2227417C3 (en) | 1971-08-21 | 1972-06-06 | Electroplating bath and electroplating process for depositing tin-nickel, tin-cobalt or tin-nickel-cobalt layers |
Publications (2)
Publication Number | Publication Date |
---|---|
DE2141940B1 DE2141940B1 (en) | 1973-03-01 |
DE2141940C2 true DE2141940C2 (en) | 1977-02-10 |
Family
ID=32772646
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19712141940 Expired DE2141940C2 (en) | 1971-08-21 | 1971-08-21 | GALVANIC BATH FOR DEPOSITING TIN / NICKEL, TIN / COBALT OR TIN / NICKEL / COBALT COATINGS AND THE RELATED GALVANIZING PROCESS |
DE2227417A Expired DE2227417C3 (en) | 1971-08-21 | 1972-06-06 | Electroplating bath and electroplating process for depositing tin-nickel, tin-cobalt or tin-nickel-cobalt layers |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE2227417A Expired DE2227417C3 (en) | 1971-08-21 | 1972-06-06 | Electroplating bath and electroplating process for depositing tin-nickel, tin-cobalt or tin-nickel-cobalt layers |
Country Status (1)
Country | Link |
---|---|
DE (2) | DE2141940C2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2439656A1 (en) * | 1973-08-20 | 1975-03-06 | Nasglo Int Corp | TIN ALLOY, PROCESS FOR PRODUCING IT BY GALVANIC DEPOSITION FROM AN AQUATIC ELECTROLYTE BATH, AQUATIC, GALVANIC BATH FOR CARRYING OUT THE PROCESS AND USING THE TIN ALLOY FOR SUBSTITUTE METAL PLATING |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6327655B2 (en) * | 2014-06-23 | 2018-05-23 | 奥野製薬工業株式会社 | Multilayer plating film and article having the multilayer plating film |
-
1971
- 1971-08-21 DE DE19712141940 patent/DE2141940C2/en not_active Expired
-
1972
- 1972-06-06 DE DE2227417A patent/DE2227417C3/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2439656A1 (en) * | 1973-08-20 | 1975-03-06 | Nasglo Int Corp | TIN ALLOY, PROCESS FOR PRODUCING IT BY GALVANIC DEPOSITION FROM AN AQUATIC ELECTROLYTE BATH, AQUATIC, GALVANIC BATH FOR CARRYING OUT THE PROCESS AND USING THE TIN ALLOY FOR SUBSTITUTE METAL PLATING |
Also Published As
Publication number | Publication date |
---|---|
DE2141940B1 (en) | 1973-03-01 |
DE2227417B2 (en) | 1978-01-19 |
DE2227417A1 (en) | 1974-01-03 |
DE2227417C3 (en) | 1978-09-14 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
E77 | Valid patent as to the heymanns-index 1977 | ||
8339 | Ceased/non-payment of the annual fee |