EP0915183B1 - Etamage de tubes en cuivre - Google Patents

Etamage de tubes en cuivre Download PDF

Info

Publication number
EP0915183B1
EP0915183B1 EP98118085A EP98118085A EP0915183B1 EP 0915183 B1 EP0915183 B1 EP 0915183B1 EP 98118085 A EP98118085 A EP 98118085A EP 98118085 A EP98118085 A EP 98118085A EP 0915183 B1 EP0915183 B1 EP 0915183B1
Authority
EP
European Patent Office
Prior art keywords
tin
copper
tinning
bath containing
methane
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 - Lifetime
Application number
EP98118085A
Other languages
German (de)
English (en)
Other versions
EP0915183A1 (fr
Inventor
Martin Dr. Kurpjoweit
Harald Dr. Fuchs
Ulrich Dr. Reiter
John Dr Mccaskie
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KM Europa Metal AG
Original Assignee
KM Europa Metal AG
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 KM Europa Metal AG filed Critical KM Europa Metal AG
Publication of EP0915183A1 publication Critical patent/EP0915183A1/fr
Application granted granted Critical
Publication of EP0915183B1 publication Critical patent/EP0915183B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
    • E03B7/00—Water main or service pipe systems
    • E03B7/006—Arrangements or methods for cleaning or refurbishing water conduits
    • 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

Definitions

  • the invention relates to a method for tinning pipes, pipe sections, Fittings and fittings made of copper or a copper alloy chemical deposition of a tin layer from a tin bath using usual procedural measures, such as rinsing, pickling and drying, under Use of a tin bath, the methanesulfonic acid and / or methanesulfonic acid salt contains, according to the features in the preamble of the claim 1.
  • Pipes, pipe sections, fittings and fittings and similar devices, which are used in cold and hot water service systems are used in largely made of copper and copper alloys. The reasons this is due to the good corrosion resistance of copper and copper alloys as well as the easy processability of these metallic materials into pipes and the same.
  • the use of pipes made of copper and copper alloys for drinking water pipes is associated with the disadvantage that the Dissolution of copper can lead to health risks. Therefore the use of copper pipes is subject to an application restriction (DIN 50930, T5) if the water has a pH ⁇ 6.5 or a content of free Carbonic acid> 44 mg / l.
  • the layer thickness only increases slightly.
  • JP 63 230 883 A and EP 0 503 389 A2 are methods for Galvanization of electrical circuit boards known. Here the The problem of the influence of copper ions on drinking water is irrelevant.
  • the object of the invention is based on the prior art based, an improved process for the tinning of pipes and to provide the like of copper or a copper alloy, at which is the copper permeability of the inner layer coated with a tin layer Surfaces of these parts can be significantly reduced.
  • the pH of the tin bath is 0 to 3, preferably 0 to 1.
  • the chemical deposition of the tin layer is carried out on the usual way, for example at temperatures of 50 to 80 ° C.
  • the increase in the copper content in the bath due to the tin deposition simultaneous dissolution of copper is not, as was previously the case, by a Encountered increasing concentration of complexing agents, but in preferably (claim 3) by the removal of copper by means of a suitable device for membrane electrolysis. This differs cathodically copper, while anodically tin dissolves.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Water Supply & Treatment (AREA)
  • Chemically Coating (AREA)
  • Electroplating And Plating Baths Therefor (AREA)
  • Metal Extraction Processes (AREA)
  • Particle Accelerators (AREA)
  • Powder Metallurgy (AREA)
  • Rigid Pipes And Flexible Pipes (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)

Claims (3)

  1. Procédé d'étamage de tubes, de sections de tubes, de raccords et d'accessoires de tuyauterie en cuivre ou en un alliage de cuivre, par dépôt chimique d'une couche d'étain, à partir d'un bain d'étain contenant une source d'étain et des composants usuels, en utilisant des procédés classiques tels que le rinçage, le décapage et le séchage, en employant un bain d'étain qui contient de l'acide méthanesulfonique et/ou un sel d'acide méthanesulfonique,
    caractérisé en ce que
    les étapes "dépôt" et/ou "séchage" du procédé sont effectuées sous atmosphère de gaz inerte.
  2. Procédé selon la revendication 1,
    caractérisé en ce que
    comme source d'étain, on utilise un bain d'étain qui contient du méthane sulfonate d'étain.
  3. Procédé selon la revendication 1 ou 2,
    caractérisé en ce que
    la solution d'étamage est préparée par un procédé d'électrolyse à membrane, qui extrait du cuivre de la solution et qui de l'étain apporte à la solution.
EP98118085A 1997-11-07 1998-09-24 Etamage de tubes en cuivre Expired - Lifetime EP0915183B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19749382A DE19749382A1 (de) 1997-11-07 1997-11-07 Verzinnung von Kupferrohren
DE19749382 1997-11-07

Publications (2)

Publication Number Publication Date
EP0915183A1 EP0915183A1 (fr) 1999-05-12
EP0915183B1 true EP0915183B1 (fr) 2003-11-19

Family

ID=7848019

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98118085A Expired - Lifetime EP0915183B1 (fr) 1997-11-07 1998-09-24 Etamage de tubes en cuivre

Country Status (7)

Country Link
EP (1) EP0915183B1 (fr)
AT (1) ATE254676T1 (fr)
DE (2) DE19749382A1 (fr)
DK (1) DK0915183T3 (fr)
ES (1) ES2210639T3 (fr)
PL (1) PL329580A1 (fr)
PT (1) PT915183E (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2832160B1 (fr) * 2001-11-15 2005-01-14 Atofina PROCEDE DE TRAVAIL OU MISE EN FORME DES METAUX EN PRESENCE DE LUBRIFIANTS AQUEUX A BASE D'ACIDE METHANESULFONIQUE (AMS) ou D'UN SEL HYDROSOLUBLE D'AMS
DE10213185A1 (de) * 2002-03-23 2003-10-02 Km Europa Metal Ag Verfahren zur Verringerung der Kupferlöslichkeit an der inneren Oberfläche eines Kupferrohrs
FR2867198B1 (fr) 2004-03-05 2007-09-14 Trefimetaux Procede d'etamage de pieces tubulaires en cuivre
DE102004045297A1 (de) * 2004-09-16 2006-03-23 Basf Ag Verfahren zum Behandeln von metallischen Oberflächen unter Verwendung von Formulierungen auf Basis von wasserarmer Methansulfonsäure
ATE513069T1 (de) * 2007-09-07 2011-07-15 Viega Gmbh & Co Kg Verfahren zur herstellung eines beschichteten bauteils für fluidführende gewerke und beschichtetes bauteil

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2593867B2 (ja) * 1987-03-18 1997-03-26 新光電気工業 株式会社 無電解スズめつき浴
JP2611364B2 (ja) * 1988-08-26 1997-05-21 上村工業株式会社 無電解錫めっき浴及び無電解錫めっき方法
JPH02197580A (ja) * 1989-01-24 1990-08-06 Okuno Seiyaku Kogyo Kk 無電解ハンダめっき浴
JP2787142B2 (ja) * 1991-03-01 1998-08-13 上村工業 株式会社 無電解錫、鉛又はそれらの合金めっき方法
JP3180918B2 (ja) * 1991-03-12 2001-07-03 石原薬品株式会社 無電解錫及び無電解錫−鉛合金メッキ浴
DE4404194C2 (de) * 1994-02-10 1996-04-18 Reinecke Alfred Gmbh & Co Kg Trinkwasserführende Armatur aus Metall, insbesondere aus Kupfer und dessen Legierungen mit Anteilen an Zink und Blei
US6045860A (en) * 1996-06-05 2000-04-04 Sumitomo Light Metal Industries, Ltd. Process for manufacturing interior tinned copper tube

Also Published As

Publication number Publication date
PT915183E (pt) 2004-04-30
ES2210639T3 (es) 2004-07-01
ATE254676T1 (de) 2003-12-15
DE19749382A1 (de) 1999-05-27
PL329580A1 (en) 1999-05-10
DE59810213D1 (de) 2003-12-24
DK0915183T3 (da) 2004-03-15
EP0915183A1 (fr) 1999-05-12

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