ATE253534T1 - Alkalibehandlung von rostfreiem stahl - Google Patents
Alkalibehandlung von rostfreiem stahlInfo
- Publication number
- ATE253534T1 ATE253534T1 AT95933210T AT95933210T ATE253534T1 AT E253534 T1 ATE253534 T1 AT E253534T1 AT 95933210 T AT95933210 T AT 95933210T AT 95933210 T AT95933210 T AT 95933210T AT E253534 T1 ATE253534 T1 AT E253534T1
- Authority
- AT
- Austria
- Prior art keywords
- stainless steel
- chelant
- oxide film
- alkaline treatment
- contact
- Prior art date
Links
- 229910001220 stainless steel Inorganic materials 0.000 title abstract 2
- 239000010935 stainless steel Substances 0.000 title abstract 2
- 239000013522 chelant Substances 0.000 abstract 2
- 238000004140 cleaning Methods 0.000 abstract 2
- 239000000203 mixture Substances 0.000 abstract 2
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 239000003945 anionic surfactant Substances 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 239000003093 cationic surfactant Substances 0.000 abstract 1
- 150000002500 ions Chemical class 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 abstract 1
- 229910052742 iron Inorganic materials 0.000 abstract 1
- -1 iron ions Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002736 nonionic surfactant Substances 0.000 abstract 1
- 239000004094 surface-active agent Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
- 239000002888 zwitterionic surfactant Substances 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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/19—Iron or steel
-
- 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
- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
- C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
- C23C22/62—Treatment of iron or alloys based thereon
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Chemical Treatment Of Metals (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US31238594A | 1994-09-26 | 1994-09-26 | |
PCT/US1995/012183 WO1996009994A1 (en) | 1994-09-26 | 1995-09-22 | Stainless steel alkali treatment |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE253534T1 true ATE253534T1 (de) | 2003-11-15 |
Family
ID=23211201
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT95933210T ATE253534T1 (de) | 1994-09-26 | 1995-09-22 | Alkalibehandlung von rostfreiem stahl |
Country Status (9)
Country | Link |
---|---|
US (1) | US5858118A (de) |
EP (1) | EP0781258B1 (de) |
JP (1) | JP2941949B2 (de) |
AT (1) | ATE253534T1 (de) |
AU (1) | AU3596295A (de) |
CA (1) | CA2200615C (de) |
DE (1) | DE69532082T2 (de) |
ES (1) | ES2210313T3 (de) |
WO (1) | WO1996009994A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6280527B1 (en) * | 1998-06-12 | 2001-08-28 | International Business Machines Corporation | Aqueous quaternary ammonium hydroxide as a screening mask cleaner |
US6341612B1 (en) | 2000-03-09 | 2002-01-29 | Steris Inc | Two compartment container for neutralizing used cleaning solutions |
US6770150B1 (en) | 2000-03-09 | 2004-08-03 | Steris Inc. | Process for removing deposits from enclosed chambers |
US6550487B1 (en) | 2000-03-09 | 2003-04-22 | Steris Inc. | Apparatus for removing deposits from enclosed chambers |
US20040094236A1 (en) * | 2002-11-14 | 2004-05-20 | Crown Technology, Inc. | Methods for passivating stainless steel |
AU2003303439A1 (en) * | 2002-12-20 | 2004-07-22 | Applied Materials, Inc. | Micromachined intergrated fluid delivery system |
CA2534566A1 (en) * | 2003-08-04 | 2005-02-24 | Alexza Pharmaceuticals, Inc. | Substrates for drug delivery device and methods of preparing and use |
US7102512B2 (en) * | 2003-10-07 | 2006-09-05 | Accenture Global Services Gmbh | Mobile security unit |
US20050234545A1 (en) * | 2004-04-19 | 2005-10-20 | Yea-Yang Su | Amorphous oxide surface film for metallic implantable devices and method for production thereof |
WO2008112661A2 (en) | 2007-03-09 | 2008-09-18 | Alexza Pharmaceuticals, Inc. | Heating unit for use in a drug delivery device |
SI2348142T1 (sl) | 2010-01-25 | 2019-03-29 | Westinghouse Electric Company Llc | Postopek in pripravek za odstranjevanje usedlin vodnega kamna s kovinskih površin v generatorju pare |
CA3075329C (en) | 2010-01-26 | 2022-11-01 | Dominion Engineering, Inc. | Method and composition for removing deposits |
US8734907B2 (en) | 2012-02-02 | 2014-05-27 | Sematech, Inc. | Coating of shield surfaces in deposition systems |
US8734586B2 (en) | 2012-02-02 | 2014-05-27 | Sematech, Inc. | Process for cleaning shield surfaces in deposition systems |
CN107177855B (zh) * | 2017-05-18 | 2019-10-15 | 东莞市信成医疗器械科技有限公司 | 一种不锈钢表面处理方法及不锈钢塑胶复合体的制备方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3077454A (en) * | 1960-07-14 | 1963-02-12 | Dow Chemical Co | Compositions for inhibiting corrosion |
US3072502A (en) * | 1961-02-14 | 1963-01-08 | Pfizer & Co C | Process for removing copper-containing iron oxide scale from metal surfaces |
NL275534A (de) * | 1961-03-15 | |||
US3308065A (en) * | 1963-07-22 | 1967-03-07 | Dow Chemical Co | Scale removal, ferrous metal passivation and compositions therefor |
DE1216066B (de) * | 1963-01-29 | 1966-05-05 | Henkel & Cie Gmbh | Verfahren zur Behandlung von entfetteten und mit einer sauren Loesung gebeizten Metallober-flaechen vor dem Emaillieren |
NL149551B (nl) * | 1964-08-04 | 1976-05-17 | Dow Chemical Co | Werkwijze voor het reinigen en passiveren van ijzerhoudende metaaloppervlakken, waarop metallisch koper is afgezet. |
US3413160A (en) * | 1965-10-24 | 1968-11-26 | Dow Chemical Co | Passivation of ferrous metal surface |
US3519458A (en) * | 1966-03-01 | 1970-07-07 | Hooker Chemical Corp | Method for reducing the corrosion susceptibility of ferrous metal having fluxing agent residue |
US3506576A (en) * | 1967-06-20 | 1970-04-14 | Dow Chemical Co | Metal cleaning solution of chelating agent and water-soluble sulfide |
US3549538A (en) * | 1967-06-22 | 1970-12-22 | Nalco Chemical Co | Scale inhibition and removal in steam generation |
US3865628A (en) * | 1973-02-26 | 1975-02-11 | Cesco Inc | Removal of polymer residue from surfaces of processing equipment |
US4045253A (en) * | 1976-03-15 | 1977-08-30 | Halliburton Company | Passivating metal surfaces |
US4430128A (en) * | 1980-12-05 | 1984-02-07 | The Dow Chemical Company | Aqueous acid composition and method of use |
US4454046A (en) * | 1982-09-07 | 1984-06-12 | The Dow Chemical Company | Boiler scale prevention employing an organic chelant |
SU1122756A1 (ru) * | 1983-01-11 | 1984-11-07 | Предприятие П/Я А-1891 | Раствор дл очистки деталей из коррозионностойких сплавов |
US4590100A (en) * | 1983-10-28 | 1986-05-20 | The United States Of America As Represented By The Secretary Of The Navy | Passivation of steel with aqueous amine solutions preparatory to application of non-aqueous protective coatings |
US5039349A (en) * | 1990-05-18 | 1991-08-13 | Veriflo Corporation | Method and apparatus for cleaning surfaces to absolute or near-absolute cleanliness |
DE4114951A1 (de) * | 1991-05-08 | 1992-11-12 | Siemens Ag | Verfahren zum aufloesen von eisenoxiden und loesungssubstanz dafuer |
US5252363A (en) * | 1992-06-29 | 1993-10-12 | Morton International, Inc. | Method to produce universally paintable passivated galvanized steel |
DE4312417A1 (de) * | 1993-04-16 | 1994-10-20 | Henkel Kgaa | Verfahren zur Erhöhung der Korrosionsbeständigkeit von nichtrostendem Stahl |
-
1995
- 1995-09-22 DE DE69532082T patent/DE69532082T2/de not_active Expired - Fee Related
- 1995-09-22 AU AU35962/95A patent/AU3596295A/en not_active Abandoned
- 1995-09-22 CA CA002200615A patent/CA2200615C/en not_active Expired - Fee Related
- 1995-09-22 JP JP8511919A patent/JP2941949B2/ja not_active Expired - Fee Related
- 1995-09-22 WO PCT/US1995/012183 patent/WO1996009994A1/en active IP Right Grant
- 1995-09-22 ES ES95933210T patent/ES2210313T3/es not_active Expired - Lifetime
- 1995-09-22 EP EP95933210A patent/EP0781258B1/de not_active Expired - Lifetime
- 1995-09-22 AT AT95933210T patent/ATE253534T1/de not_active IP Right Cessation
-
1997
- 1997-08-04 US US08/904,560 patent/US5858118A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US5858118A (en) | 1999-01-12 |
ES2210313T3 (es) | 2004-07-01 |
WO1996009994A1 (en) | 1996-04-04 |
CA2200615A1 (en) | 1996-04-04 |
DE69532082T2 (de) | 2004-08-26 |
CA2200615C (en) | 2000-11-28 |
JP2941949B2 (ja) | 1999-08-30 |
EP0781258A1 (de) | 1997-07-02 |
EP0781258B1 (de) | 2003-11-05 |
AU3596295A (en) | 1996-04-19 |
EP0781258A4 (de) | 1998-05-27 |
DE69532082D1 (de) | 2003-12-11 |
JPH10503241A (ja) | 1998-03-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |