EP1006213A3 - Process for regenerating a processing solution - Google Patents
Process for regenerating a processing solution Download PDFInfo
- Publication number
- EP1006213A3 EP1006213A3 EP99120998A EP99120998A EP1006213A3 EP 1006213 A3 EP1006213 A3 EP 1006213A3 EP 99120998 A EP99120998 A EP 99120998A EP 99120998 A EP99120998 A EP 99120998A EP 1006213 A3 EP1006213 A3 EP 1006213A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- chamber
- solution
- anodic
- hypophosphite
- cathodic
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 2
- 230000001172 regenerating effect Effects 0.000 title 1
- 238000007747 plating Methods 0.000 abstract 6
- 150000001450 anions Chemical class 0.000 abstract 4
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 4
- ACVYVLVWPXVTIT-UHFFFAOYSA-M phosphinate Chemical compound [O-][PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-M 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 2
- 239000003011 anion exchange membrane Substances 0.000 abstract 2
- 238000005341 cation exchange Methods 0.000 abstract 2
- 239000003638 chemical reducing agent Substances 0.000 abstract 2
- 238000000909 electrodialysis Methods 0.000 abstract 2
- GQZXNSPRSGFJLY-UHFFFAOYSA-N hydroxyphosphanone Chemical compound OP=O GQZXNSPRSGFJLY-UHFFFAOYSA-N 0.000 abstract 2
- 229940005631 hypophosphite ion Drugs 0.000 abstract 2
- 230000037427 ion transport Effects 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 2
- 229910021645 metal ion Inorganic materials 0.000 abstract 2
- 238000006722 reduction reaction Methods 0.000 abstract 2
- 230000008929 regeneration Effects 0.000 abstract 2
- 238000011069 regeneration method Methods 0.000 abstract 2
- 229910000831 Steel Inorganic materials 0.000 abstract 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 abstract 1
- 230000002378 acidificating effect Effects 0.000 abstract 1
- 238000007792 addition Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- OJMIONKXNSYLSR-UHFFFAOYSA-N phosphorous acid Chemical compound OP(O)O OJMIONKXNSYLSR-UHFFFAOYSA-N 0.000 abstract 1
- 239000010959 steel Substances 0.000 abstract 1
- 239000010936 titanium Substances 0.000 abstract 1
- 229910052719 titanium Inorganic materials 0.000 abstract 1
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
- C23C18/1601—Process or apparatus
- C23C18/1617—Purification and regeneration of coating baths
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D21/00—Processes for servicing or operating cells for electrolytic coating
- C25D21/16—Regeneration of process solutions
- C25D21/22—Regeneration of process solutions by ion-exchange
Landscapes
- Chemical & Material Sciences (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Chemically Coating (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19851180 | 1998-11-06 | ||
DE19851180A DE19851180C1 (en) | 1998-11-06 | 1998-11-06 | Chemical reduction metal plating solution is regenerated using a weakly basic anion exchanger for hypophosphite ion recycle to the cathodic chamber of an electrodialysis cell |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1006213A2 EP1006213A2 (en) | 2000-06-07 |
EP1006213A3 true EP1006213A3 (en) | 2000-08-09 |
EP1006213B1 EP1006213B1 (en) | 2004-12-15 |
Family
ID=7886899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99120998A Expired - Lifetime EP1006213B1 (en) | 1998-11-06 | 1999-11-04 | Process for regenerating a processing solution |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1006213B1 (en) |
AT (1) | ATE284980T1 (en) |
DE (2) | DE19851180C1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10240350B4 (en) | 2002-08-28 | 2005-05-12 | Atotech Deutschland Gmbh | Apparatus and method for regenerating an electroless plating bath |
DE10322120A1 (en) * | 2003-05-12 | 2004-12-09 | Blasberg Werra Chemie Gmbh | Methods and devices for extending the service life of a process solution for chemical-reductive metal coating |
DE102004038693B4 (en) | 2004-08-10 | 2010-02-25 | Blasberg Werra Chemie Gmbh | Apparatus and method for removing foreign matter from process solutions and process for regenerating a cation exchanger |
ES2303973T3 (en) | 2005-05-25 | 2008-09-01 | Enthone Inc. | PROCEDURE AND DEVICE TO ADJUST THE CONCENTRATION OF IONS IN ELECTROLYTES. |
DE102010015361A1 (en) | 2010-04-16 | 2011-10-20 | Atotech Deutschland Gmbh | Membrane electrolysis stack, this containing electrodialysis device and method for regenerating a stromloslos working bath for metal deposition |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2726969A (en) * | 1953-12-03 | 1955-12-13 | Gen Motors Corp | Chemical reduction plating process |
DE4310366C1 (en) * | 1993-03-30 | 1994-10-13 | Fraunhofer Ges Forschung | Method for regenerating aqueous coating baths operating in an electroless manner |
US5419821A (en) * | 1993-06-04 | 1995-05-30 | Vaughan; Daniel J. | Process and equipment for reforming and maintaining electroless metal baths |
-
1998
- 1998-11-06 DE DE19851180A patent/DE19851180C1/en not_active Expired - Fee Related
-
1999
- 1999-11-04 DE DE59911270T patent/DE59911270D1/en not_active Expired - Lifetime
- 1999-11-04 AT AT99120998T patent/ATE284980T1/en not_active IP Right Cessation
- 1999-11-04 EP EP99120998A patent/EP1006213B1/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2726969A (en) * | 1953-12-03 | 1955-12-13 | Gen Motors Corp | Chemical reduction plating process |
DE4310366C1 (en) * | 1993-03-30 | 1994-10-13 | Fraunhofer Ges Forschung | Method for regenerating aqueous coating baths operating in an electroless manner |
US5419821A (en) * | 1993-06-04 | 1995-05-30 | Vaughan; Daniel J. | Process and equipment for reforming and maintaining electroless metal baths |
Also Published As
Publication number | Publication date |
---|---|
ATE284980T1 (en) | 2005-01-15 |
EP1006213B1 (en) | 2004-12-15 |
DE19851180C1 (en) | 2000-04-20 |
EP1006213A2 (en) | 2000-06-07 |
DE59911270D1 (en) | 2005-01-20 |
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