AT65517B - Process for metallizing the surface of objects made of porous material for electrolysis. - Google Patents

Process for metallizing the surface of objects made of porous material for electrolysis.

Info

Publication number
AT65517B
AT65517B AT65517DA AT65517B AT 65517 B AT65517 B AT 65517B AT 65517D A AT65517D A AT 65517DA AT 65517 B AT65517 B AT 65517B
Authority
AT
Austria
Prior art keywords
electrolysis
metallizing
porous material
objects made
layer
Prior art date
Application number
Other languages
German (de)
Inventor
Pascal Marino
Original Assignee
Pascal Marino
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
Application filed by Pascal Marino filed Critical Pascal Marino
Application granted granted Critical
Publication of AT65517B publication Critical patent/AT65517B/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/18—Pretreatment of the material to be coated
    • C23C18/20—Pretreatment of the material to be coated of organic surfaces, e.g. resins
    • C23C18/2006—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30
    • C23C18/2046—Pretreatment of the material to be coated of organic surfaces, e.g. resins by other methods than those of C23C18/22 - C23C18/30 by chemical pretreatment
    • C23C18/2073—Multistep pretreatment
    • C23C18/208—Multistep pretreatment with use of metal first
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1635—Composition of the substrate
    • C23C18/1644—Composition of the substrate porous substrates
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/42—Coating with noble metals
    • C23C18/44—Coating with noble metals using reducing agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
  • Electrolytic Production Of Metals (AREA)

Description

  

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 welchem der behandelte Gegenstand besteht. Handelt es sich z. B. um Gusseisen, so erspart das Verfahren das Putzen, was stets eine langwierige, ungenaue und häufig kostspielige Arbeit ist, weil das Material des Kohlengehaltes wegen wenig homogen ist. Nach dem neuen Verfahren wird die Oberfläche des Gussstückes glatt und es ergibt sich infolgedessen ein reiner und gleichmässiger metallischer Niederschlag. Ferner bildet die Schicht nach dem Verfahren einen Isolator zwischen zwei Metallen und verhütet dadurch galvanische Ströme, ein Vorteil, der insbesondere für Schiffsböden, die zumeist mit Kupfer oder Zink beschlagen werden und in der bisherigen Ausführung häufig durch galvanische Ströme zerstört werden, von besonderer Bedeutung ist. 



   Besteht der Gegenstand aus Holz, so wird die Schicht selbst bei hoher Hitze nicht angegriffen. Die Schicht erhöht die mechanische Widerstandsfähigkeit des Holzgegenstandes und   schützt ihn   gegen Feuchtigkeit. 



   Handelt es sich um Gegenstände aus gepresstem Papier, aus welchem man bekanntlich die mannigfachsten Artikel, z. B. Boote, Fässer, Eisenbahnschienen, Schwellen,   Gesimse,   Drucktypen, Blumenvasen, Bausteine usw., macht, so ist klar, dass die Verbreitung dieses Materials ausserordentlich zunehmen muss, nachdem es durch die Erfindung erreicht ist, darauf eine Metallschicht anzubringen.

   Infolge seiner ausserordentlichen Leichtigkeit eignet sich gepresstes Papier in Verbindung mit dem neuen Verfahren besonders für Maschinen oder   MaEcb'nellteiie   des
Luftschiff- und Flugzeugbaues und sonst noch für solche Zwecke,   be : denen   es auf   L, chtigk-eit,  
Undurchlässigkeit und hohe Widerstandsfähigkeit gegen   Erschütterung   und dgl. ankommt 
PATENT-ANSPRÜCHE :   l.   Verfahren zur Metallisierung der Oberfläche von Gegenständen aus porösem Material für die Elektrolyse, bei welchem die Oberfläche zunächst mit einer Grundschicht aus   gelösten   kieselsauren Alkalien versehen wird, dadurch gekennzeichnet, dass auf diese Silikatschicht Silberchlorid aufgetragen wird, welches in einer hochkonzentrierten Lösung von Zyankalium 
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 which the treated subject consists. Is it z. B. to cast iron, the process saves cleaning, which is always a lengthy, imprecise and often costly work because the material is not homogeneous because of the carbon content. According to the new process, the surface of the casting becomes smooth and as a result a pure and even metallic deposit results. Furthermore, according to the method, the layer forms an insulator between two metals and thereby prevents galvanic currents, an advantage that is particularly important for ship floors, which are mostly covered with copper or zinc and in the previous version are often destroyed by galvanic currents .



   If the object is made of wood, the layer is not attacked even at high heat. The layer increases the mechanical resistance of the wooden object and protects it against moisture.



   Is it an object made of pressed paper, from which, as is well known, the most diverse articles, e.g. B. boats, barrels, railroad tracks, sleepers, cornices, printing types, flower vases, building blocks, etc., makes it clear that the spread of this material must increase enormously after it is achieved by the invention to apply a metal layer.

   Due to its extraordinary lightness, pressed paper in connection with the new process is particularly suitable for machines or machines
Airship and aircraft construction and otherwise for such purposes, where there is a need for
Impermeability and high resistance to shock and the like. Arrives
PATENT CLAIMS: l. Process for the metallization of the surface of objects made of porous material for electrolysis, in which the surface is first provided with a base layer of dissolved silicic acid alkalis, characterized in that silver chloride is applied to this silicate layer, which is in a highly concentrated solution of potassium cyanide
 EMI2.2
AT65517D 1911-09-08 1912-09-04 Process for metallizing the surface of objects made of porous material for electrolysis. AT65517B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191120012T 1911-09-08

Publications (1)

Publication Number Publication Date
AT65517B true AT65517B (en) 1914-07-10

Family

ID=32566750

Family Applications (1)

Application Number Title Priority Date Filing Date
AT65517D AT65517B (en) 1911-09-08 1912-09-04 Process for metallizing the surface of objects made of porous material for electrolysis.

Country Status (5)

Country Link
AT (1) AT65517B (en)
AU (1) AU622212B (en)
FR (1) FR447946A (en)
GB (1) GB191120012A (en)
NL (1) NL463C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20030816A (en) * 2003-05-30 2004-12-01 Metso Corp Process for making metal wires on substrate

Also Published As

Publication number Publication date
NL463C (en) 1914-12-01
AU622212B (en) 1912-09-17
FR447946A (en) 1913-01-18
GB191120012A (en) 1912-01-11

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