DE731102C - Process for the production of metallic coatings - Google Patents

Process for the production of metallic coatings

Info

Publication number
DE731102C
DE731102C DEB196438D DEB0196438D DE731102C DE 731102 C DE731102 C DE 731102C DE B196438 D DEB196438 D DE B196438D DE B0196438 D DEB0196438 D DE B0196438D DE 731102 C DE731102 C DE 731102C
Authority
DE
Germany
Prior art keywords
baths
production
tetra
metallic coatings
water
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
Application number
DEB196438D
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German (de)
Inventor
Dr Herbert Brintzinger
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Individual
Original Assignee
Individual
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
Application filed by Individual filed Critical Individual
Priority to DEB196438D priority Critical patent/DE731102C/en
Application granted granted Critical
Publication of DE731102C publication Critical patent/DE731102C/en
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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

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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)

Description

Verfahren zur Erzeugung metallischerÜberzüge U m mectallische bzw. tmctallisierte oder mit Graphit bzw. einem anderen leitenden Material versehene Gegenstände alvanisch oder durch Eintauchen mlt eireelle metallischen Überzug zum Zweck des Korrosionsschutzes oder der Verschöinerung, oder aus anderen Gründen mitt eileer metallischen Oberfläche zu versehen. verwendet matt üblicherweise als B ad Lösungen komplexer Verbindungen M er für den Üherzug vorgesehenen Metalle, z.B. komplexe Cyanide. Tartrate, Citrate oder Sulfate.Process for the production of metallic coatings Metallized or provided with graphite or another conductive material Objects galvanically or by immersion with a metallic coating for Purpose of corrosion protection or beautification, or for other reasons Eileer metallic surface to be provided. usually used as a bath Solutions of complex connections with metals intended for transfer, e.g. complex cyanides. Tartrates, citrates or sulfates.

ES wurde nun gefunden. dalß sowohl für die Ga1vatnileriunllg als auch für dlag Eintauchverfallrcn sich solche Bädier ganz besonders gut eignen. die Glas ab1zuscheidende Metall als Nitrilotriacetato- lbzw. als @thylendiamlint@@@@@t@o- b)zw. als Propylenldlamlntetracetat- oder a(ls 1Propylentrialminhlexac)tltl(etatolkomplex enthalien. Diese Verlbindungen können entweder für sich in Wasser glöst angewandt werden. o)der es köinnen Bläidier verwendet werden. die außer den angegebenen Komplexverbindungcn zur Erhöhung der Lcitfähigkeit bzw. zur Verbesserung der kathodischen Metallabscheidung noch einen Zusatz von anderen Jlektrolyten oder Nichtelektrolyten enthalten oder die zur Erhöhung des Glanzes des aufzubringenden Metallüberzugs mit einem Zusatz von Kolloiden, wie Gelatine. Gummiarabikum oder anderen. verschcn sind.IT has now been found. that both for the Ga1vatnileriunllg and Such baths are particularly well suited for immersion decay. the glass metal to be deposited as Nitrilotriacetato- lbzw. as @thylendiamlint @@@@@ t @ o- respectively. as Propylenldlamlntetracetat- or a (ls 1Propylenetrialminhlexac) tltl (etatolkomplex contain. These connections can either be applied for themselves in water will. o) of the Bläidier can be used. those other than the specified complex compounds to increase the conductivity or to improve the cathodic metal deposition contain an addition of other electrolytes or non-electrolytes or those to increase the gloss of the metal coating to be applied with an additive of colloids such as gelatin. Gum arabic or other. are different.

Mit Hilfe dieser Bäder werden Metallüb)erzüge erhalten, die hesonders fest haften und entweder all un1(1 für sich schote glänzend sind odel durch @eicht(es Polieren schoinen Glanz erhalten.With the help of these baths, metal covers are obtained, the hesonders Adhere firmly and either all un1 (1 for themselves pods are shiny or through @eicht (es Polish to keep it shiny.

Die neuen Galvanisierungsl)äider haben1 gegenüber manchen bisher gebiucithichllen Bädern, Z. B3. dun cyanidhaltige n @ädernt, dlen Vorteil, daß sie ungiftig und absolut bestaindig sitd, auch keinegesundhleitsclädiicluen Däimpfe an die Luft abgelben, dahler also sehr bequem zu handnahen ,Sind. Die neuen Galcanisicrü ngsbadcr können entweder dadurch Hergestellt %\-erden, daß (11C' komplexen VerhindmWen Akt auldnst werden und die Lösung anschlic13cnd auf den @ti11st1;gsteil p11-Wert eingestellt wird, ltler da- nurch, dal', durch Zusamtlcngcben der vcr- @@ L11CCle11o11 llot\yei1CI1-C11 hnlllponenten, Z. B. voll _Natritlmcarl)nilat. -Nitrilotriessigsätircndcr Tril@-lnlamiasäure. Zinksulfat und so viel Na(JH. als zur Einstellung des optimalen p11-Wertes für das Arzinkungslnd notwenaig- ist, in ein Lösungsmittel die komplexe Vcr- l,llldunn erst 1m Bade Selbst, also 111l gelösten Zustand, erzeugt wird. =11s Beispiele für solche Vcrzinkungsbäder Wen talgende angeführt: a _ 57g wasserhaltige Soda werden in 1 ooo g Wasser aufgelöst. Zu dieser Lösung gibt man M g THgh-knlaniidsätlrc, und fügt nach dem I?ntweichen des Kohlendioxyds a9 g Zinksulfat . Zn S (_1l . ; H=O . hinzu. Durch Zugabe voll etwa 14 131s t j g atzitatrnil \hrd der pll-AVcrt auf 1o bis ii eingestellt. b üo g wasserhalti;,e Soda %:-crdcii in t o00 g Wasser gelöst und hierzu 3a g =1thy- icI1d11i111I1tctraesslgsltlre gegeben. Nach dellt Entweichen des Kohlendioxyds \\-erden 2g g Zinksulfat und anschließend so viel Grainin atHumhydrnxyd zugegeben. dal) der p11- Wert i o bis i i sich einstellt. Bei Anwendung dieser V er7111kungsbäder werden außerordentlich fest haftwidl hllk- überzüge erbalten, die schon bei geringem Abreiben mit feuchtem Wienerkalk tadellose, glatte, silberweißglänzcnae Zinkobcrftächcn geben. Die gerade zur Zeit infolge des Man- gels an Nickel so wichtig gewordene Ver- zinkung näht sich also mit Hilfe des neuen Verfahrens ganz besonders gilt ausführen. jls Bad für die Glanzverkü pferung sei folgendes angeführt: 8-g mrasserhaltige Soda (Na, C0;# ,o140) werden in too g Wasser gelöst. Hierzu werden 29 g :1th@-Ieiidiaiiliiitetracssigsäure creben, und flach dem Entweichen des Kohlendioxyds werden i=,5 :; K,@pfcr- stlltat 119 C)1 # j 1l' O a grInst 1t1 57o g Was- ser, sowie log Gelathw, gehe 111 Ecog Wasser, zugefügt. INemS Bad eignet s1('11 auch :är die X Cr- kupfcrung nach eignet I:itaaüchrcrfahrca. Soll nicht glanzvcrkupf,-rt werit.11. sf, -_iliter- läl.lt nlall den (rClat111CZtl?at7. (@alvtiili@icrü ligsl);idcr für andere 'Ic-tallc. wie Nicket, Cadinitlin il. a.. #,@:Cl"Ge31 tunt 2iIln- liche hergestellt. !in Falle des Nickel- hades ist der "Zusatz clncs halogenhaltigen I?lcktrllyten, wie Kochsalz oder @mmnniüni- chllrid, - zur E'llchln7 C I11Cr ciil:vnlldt."C--lcii Metallabscheidung an dr Kailinde cmpfcll- le1lSwert, ebenso die Eltihaltlins Wach saurer Reaktion. Als l)Csrinders vnrtr1;hatte i.1gen3Chatt des 11(11C11 % erfallrmls ist 111c11 ammuhren. daß diese Bäder auch iiiitc#r Anwendung von gewöhnlichem, hartcnl Wasser hergestellt wer- den 1(31111C11, die Verwendung von destilliertem Wasser tilg» nicht notwcildi; i1, da cli(2 Alkalisalze cler "rril@-kolamid@üure und der Äth lendiamintmracssighum dtv härteIlcicn- dcn Bestandteile des Waz#scrs knml);ez in Lösung halten und dadurch eine cetL .'ius- chcidung der 'Metalle durch das ('alcium- bicarbonat verhindern. The new electroplating oilers have 1 compared to some previously used baths, line B3. Dun cyanide-containing grains have the advantage that they are non-toxic and absolutely stable, and that no healthy vapors die off in the air, so they are very easy to touch. The new Galcanisicrü ngsbadcr can either produced by% \ - grounding that (11C 'complex act of prevention and then transfer the solution to the @ ti11st1; part p11 value is set, so that only because, by joining together the @@ L11CCle11o11 llot \ yei1CI1-C11 hnlllponenten, ZB fully _Natritlmcarl) nilat. -Nitrilotriacetic acid Tril @ -llamic acid. Zinc sulfate and so much Well (JH. Than to adjust the optimal p11 value is necessary for the drug country is, in a solvent the complex Vcr- l, llldunn only 1m bathing self, so 111l solved State, is generated. = 11s Examples of such galvanizing baths Whom are mentioned: a _ 57g of water-based soda are in 1 ooo g of water dissolved. To this solution one gives M g THgh-knlaniidsätlrc, and adds after softening the carbon dioxide a9 g zinc sulfate. Zn S (_1l.; H = O. Added. By Addition full about 14 131s tjg atzitatrnil \ hrd the pll-AVcrt set to 1o to ii. b üo g Wasserhalti;, e Soda%: - crdcii in t o00 g of water dissolved and for this 3a g = 1thy- icI1d11i111I1tctraesslgsltlre given. After dents Escape of carbon dioxide \\ - earth 2g g Zinc sulfate and then so much grainin Athumhydrnxyd added. dal) the p11- Value io to ii is established. When using these compounding baths are extraordinarily firmly Haftwidl hllk- coatings inherited from a low level Rub down with damp Viennese lime flawless, smooth, silver-white glossy zinc surfaces give. The just now as a result of the man gel that has become so important to nickel zincing sews itself with the help of the new one Procedure especially applies. jls bath for the glossy sales stated the following: 8 g soda containing soda (Na, C0; #, o140) are dissolved in too g of water. For this 29 g: 1th @ -Ieiidiaiiliiitetracssigsäure creben, and shallow the escape of the Carbon dioxide becomes i =, 5:; K, @ pfcr- stlltat 119 C) 1 # j 1l 'O a grInst 1t1 57o g water ser, as well as lied Gelathw , go 111 Ecog Water, added. INe m S Bad s1 ('11 also: ar the X Cr- copper plating according to I: itaüchrcrfahrca. Shall not glossy copper, -rt werit.11. sf, -_iliter- läl.lt nlall den (rClat111CZtl? at7. (@ alvtiili @ icrü ligsl); idcr for other 'Ic-tallc. like Nicket, Cadinitlin il. a .. #, @: Cl "Ge31 tunt 2iIln- liche produced. ! in the case of the nickel hades is the "addition clncs containing halogens I? Lcktrllyten, such as table salt or @ mmnniüni- chllrid, - zur E'llchln7 C I11Cr ciil: vnlldt. "C - lcii Metal deposition at dr Kailinde cmpfcll- Good value, as well as Eltihaltlin's awake acidic reaction. As l) Csrinders vnrtr1; had i.1gen3Chatt des 11 (11C11% erfallrmls is 111c11 ammuhren. that these baths also iiiitc # r application of ordinary hard water can be produced den 1 (31111C11, the use of distilled Water erased »not necessary; i1, since cli (2 Alkali salts of "rril @ -kolamid @ üure" and the Äth lendiamintmracssighum dtv hardnessIlcicn- dcn components of the Waz # scrs knml); ez in Hold solution and thereby a cetL .'ius- separation of 'metals by the (' alcium- prevent bicarbonate.

Claims (1)

1':\"rt:\SPIzi C11:
C=al@.lnischc Bäder zur I:rzctisunt inc._ talllscher 1-1)(r"7.1(. 7. 1i. von Kupier, Nickel. Rollalt, Zink, Cadmium. lIe@sing. auf 'Ictallen, metallisierten oder durch Graphit bzw. auf andere Weise für dein elektrischen Strom icitcld gemachten Gegenständen dadurch gc'hciu17w1#'hnet. (a13 sie das aufzubri:;gcnde 'Iman llz#.y. (11C aufzubringenden 'Metalle als Knmplex- verhinciun g der Nitrilc)tri-. __t@y@endiamin- tetra-. Propylendiamintetra- oder der Pro- unter Zusatz von Leitsalzen und IM- loitlen. gelöst entlialtcn.
1 ': \ "rt: \ SPIzi C11:
C = al @ .lnischc baths to the I: rzctisunt inc._ talllscher 1-1) (r "7.1 (. 7. 1i. von Kupier, Nickel. Rollalt, zinc, cadmium. lIe @ sing. on ictallene, metallized or through Graphite or in another way for your electric current icitcld made Objects thereby gc'hciu17w1 # 'hnet. (a13 open this up:; gcnde 'Iman llz # .y. (11C metals to be applied as complex prevention of nitrile c) tri-. __t @ y @ endiamine- tetra-. Propylenediamine tetra- with the addition of conductive salts and IM loitlen. released.
DEB196438D 1941-12-13 1941-12-13 Process for the production of metallic coatings Expired DE731102C (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2714089A (en) * 1953-01-26 1955-07-26 Enthone Electrodepositing iron
US2750333A (en) * 1952-06-03 1956-06-12 Gen Motors Corp Electrodeposition of antimony and antimony alloys
US2751341A (en) * 1952-06-03 1956-06-19 Gen Motors Corp Electrodeposition of lead and lead alloys
US2758949A (en) * 1951-06-28 1956-08-14 Parker Rust Proof Co Alkali metal phosphate coating solutions and the method of forming coatings therewith
US2773818A (en) * 1954-05-20 1956-12-11 Harshaw Chem Corp Alkaline nickel plating solution
DE1002179B (en) * 1953-01-24 1957-02-07 Degussa Bath for the electrolytic deposition of metals from alkaline solutions
US2833705A (en) * 1956-12-14 1958-05-06 John B Winters Cadmium plating
DE1053278B (en) * 1955-07-09 1959-03-19 Licentia Gmbh Use of an aqueous solution of a complexing di- or more-basic organic acid for cleaning surfaces
DE1053275B (en) * 1955-12-02 1959-03-19 Vandervell Products Ltd Process for the joint separation of lead and indium by electrolysis of an aqueous bath
US2879210A (en) * 1956-07-02 1959-03-24 Steel Prot And Chemical Compan Process of electroplating on aluminum
US2915444A (en) * 1955-12-09 1959-12-01 Enthone Process for cleaning and plating ferrous metals
DE1077024B (en) * 1956-06-18 1960-03-03 Philco Corp Process for electrolytic beam plating of indium or gallium
DE1111898B (en) * 1956-02-24 1961-07-27 Postal Administration Of The U Process for cleaning the surface of objects made of silicon or germanium, in particular of rectifiers or transistors made from these semiconductors
DE1131067B (en) * 1953-08-27 1962-06-07 Gen Am Transport Process and bath for chemical nickel plating of carriers with a catalytic surface
DE1136122B (en) * 1957-09-26 1962-09-06 Coussinets Ste Indle Process and device for the electrolytic production of copper-lead powder
DE1161039B (en) * 1957-10-18 1964-01-09 Philco Corp Eine Ges Nach Den Process for the electrolytic deposition of a cadmium-indium alloy
US3119709A (en) * 1956-09-28 1964-01-28 Atkinson Lab Inc Material and method for electroless deposition of metal
DE1199584B (en) * 1958-03-31 1965-08-26 Gen Electric Process for stabilizing a self-decomposing alkaline bath for chemical deposition of copper coatings
DE1201651B (en) * 1957-04-17 1965-09-23 Engelhard Ind Inc Immersion bath for applying a gold coating to metallic bases through ion exchange
DE1213697B (en) * 1959-04-27 1966-03-31 Technik Inc Acid cyanide bath, mixture for the production of the bath and process for the galvanic deposition of shiny gold or gold alloy coatings
DE1234476B (en) * 1961-03-03 1967-02-16 Geigy Ag J R Galvanic alkaline copper baths for the deposition of bronze-colored copper coatings
DE1235102B (en) * 1963-01-12 1967-02-23 Schering Ag Cyanide-free galvanic bright zinc bath
DE1258699B (en) * 1959-06-30 1968-01-11 Clevite Corp Alkaline, aqueous bath for electroless plating with copper
DE1521512B1 (en) * 1965-11-09 1970-06-04 Shipley Co Alkaline bath for electroless copper deposition

Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2758949A (en) * 1951-06-28 1956-08-14 Parker Rust Proof Co Alkali metal phosphate coating solutions and the method of forming coatings therewith
US2750333A (en) * 1952-06-03 1956-06-12 Gen Motors Corp Electrodeposition of antimony and antimony alloys
US2751341A (en) * 1952-06-03 1956-06-19 Gen Motors Corp Electrodeposition of lead and lead alloys
DE959242C (en) * 1952-06-03 1957-02-28 Gen Motors Corp Bath for the galvanic deposition of antimony or antimony alloys
DE1002179B (en) * 1953-01-24 1957-02-07 Degussa Bath for the electrolytic deposition of metals from alkaline solutions
US2714089A (en) * 1953-01-26 1955-07-26 Enthone Electrodepositing iron
DE1131067B (en) * 1953-08-27 1962-06-07 Gen Am Transport Process and bath for chemical nickel plating of carriers with a catalytic surface
US2773818A (en) * 1954-05-20 1956-12-11 Harshaw Chem Corp Alkaline nickel plating solution
DE1053278B (en) * 1955-07-09 1959-03-19 Licentia Gmbh Use of an aqueous solution of a complexing di- or more-basic organic acid for cleaning surfaces
DE1053275B (en) * 1955-12-02 1959-03-19 Vandervell Products Ltd Process for the joint separation of lead and indium by electrolysis of an aqueous bath
US2915444A (en) * 1955-12-09 1959-12-01 Enthone Process for cleaning and plating ferrous metals
DE1111898B (en) * 1956-02-24 1961-07-27 Postal Administration Of The U Process for cleaning the surface of objects made of silicon or germanium, in particular of rectifiers or transistors made from these semiconductors
DE1077024B (en) * 1956-06-18 1960-03-03 Philco Corp Process for electrolytic beam plating of indium or gallium
US2879210A (en) * 1956-07-02 1959-03-24 Steel Prot And Chemical Compan Process of electroplating on aluminum
US3119709A (en) * 1956-09-28 1964-01-28 Atkinson Lab Inc Material and method for electroless deposition of metal
US2833705A (en) * 1956-12-14 1958-05-06 John B Winters Cadmium plating
DE1201651B (en) * 1957-04-17 1965-09-23 Engelhard Ind Inc Immersion bath for applying a gold coating to metallic bases through ion exchange
DE1136122B (en) * 1957-09-26 1962-09-06 Coussinets Ste Indle Process and device for the electrolytic production of copper-lead powder
DE1161039B (en) * 1957-10-18 1964-01-09 Philco Corp Eine Ges Nach Den Process for the electrolytic deposition of a cadmium-indium alloy
DE1199584B (en) * 1958-03-31 1965-08-26 Gen Electric Process for stabilizing a self-decomposing alkaline bath for chemical deposition of copper coatings
DE1213697B (en) * 1959-04-27 1966-03-31 Technik Inc Acid cyanide bath, mixture for the production of the bath and process for the galvanic deposition of shiny gold or gold alloy coatings
DE1258699B (en) * 1959-06-30 1968-01-11 Clevite Corp Alkaline, aqueous bath for electroless plating with copper
DE1234476B (en) * 1961-03-03 1967-02-16 Geigy Ag J R Galvanic alkaline copper baths for the deposition of bronze-colored copper coatings
DE1235102B (en) * 1963-01-12 1967-02-23 Schering Ag Cyanide-free galvanic bright zinc bath
DE1521512B1 (en) * 1965-11-09 1970-06-04 Shipley Co Alkaline bath for electroless copper deposition

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