MX9703435A - Procedimiento y solucion para proporcionar un revestimiento de conversion sobre una superficie de metal. - Google Patents
Procedimiento y solucion para proporcionar un revestimiento de conversion sobre una superficie de metal.Info
- Publication number
- MX9703435A MX9703435A MX9703435A MX9703435A MX9703435A MX 9703435 A MX9703435 A MX 9703435A MX 9703435 A MX9703435 A MX 9703435A MX 9703435 A MX9703435 A MX 9703435A MX 9703435 A MX9703435 A MX 9703435A
- Authority
- MX
- Mexico
- Prior art keywords
- solution
- rare earth
- earth element
- aqueous
- providing
- Prior art date
Links
- 229910052751 metal Inorganic materials 0.000 title abstract 6
- 239000002184 metal Substances 0.000 title abstract 6
- 238000000034 method Methods 0.000 title abstract 2
- 238000007739 conversion coating Methods 0.000 title 1
- 229910052761 rare earth metal Inorganic materials 0.000 abstract 3
- 239000002253 acid Substances 0.000 abstract 1
- 239000003929 acidic solution Substances 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 239000003446 ligand Substances 0.000 abstract 1
- 150000002739 metals Chemical class 0.000 abstract 1
- 230000000737 periodic effect Effects 0.000 abstract 1
- 150000003839 salts Chemical class 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 230000007704 transition Effects 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
- 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
- C23C22/06—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 aqueous acidic solutions with pH less than 6
- C23C22/40—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 aqueous acidic solutions with pH less than 6 containing molybdates, tungstates or vanadates
-
- 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
- C23C22/06—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 aqueous acidic solutions with pH less than 6
- C23C22/48—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 aqueous acidic solutions with pH less than 6 not containing phosphates, hexavalent chromium compounds, fluorides or complex fluorides, molybdates, tungstates, vanadates or oxalates
- C23C22/56—Treatment of aluminium or alloys based thereon
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)
- Chemical Treatment Of Metals (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
Un procedimiento y una solucion acuosa, ácida para formar un revestimiento que contiene un elemento de tierra rara sobre la superficie de un metal, la solucion incluye cantidades efectivas de: (a) una o más especies que contienen un elemento de tierra rara, incluyendo por lo menos un elemento de tierra rara capaz de tener más de un estado de valencia superior como se define en la presente; y (b) uno o más aditivos seleccionados de los grupos que incluye: (i) complejos de metal acuosos incluyendo por lo menos un ligando peroxo; y (ii) sales de metal o complejos de metal de una base conjugada de un ácido en donde los metales son seleccionados de los Elementos de Transicion y de los elementos del Grupo IVA de la Tabla Periodica como se define en la presente.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPM9404A AUPM940494A0 (en) | 1994-11-11 | 1994-11-11 | Process and solution for providing a conversion coating on a metal surface |
AUPN3028A AUPN302895A0 (en) | 1995-05-17 | 1995-05-17 | Process and solution for providing a conversion coating on a metal surface |
PCT/AU1995/000745 WO1996015292A1 (en) | 1994-11-11 | 1995-11-10 | Process and solution for providing a conversion coating on a metal surface |
Publications (1)
Publication Number | Publication Date |
---|---|
MX9703435A true MX9703435A (es) | 1997-07-31 |
Family
ID=25644813
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MX9703435A MX9703435A (es) | 1994-11-11 | 1995-11-10 | Procedimiento y solucion para proporcionar un revestimiento de conversion sobre una superficie de metal. |
Country Status (13)
Country | Link |
---|---|
US (1) | US6206982B1 (es) |
EP (1) | EP0804633B1 (es) |
JP (1) | JP3655635B2 (es) |
AT (1) | ATE213285T1 (es) |
AU (1) | AU684238B2 (es) |
CA (1) | CA2204897C (es) |
CZ (1) | CZ143197A3 (es) |
DE (1) | DE69525475T2 (es) |
ES (1) | ES2173202T3 (es) |
MX (1) | MX9703435A (es) |
NO (1) | NO318586B1 (es) |
PL (1) | PL320138A1 (es) |
WO (1) | WO1996015292A1 (es) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1144707B1 (en) * | 1998-12-15 | 2006-03-01 | Lynntech, Inc. | Polymetalate and heteropolymetalate conversion coatings for metal substrates |
JP4236769B2 (ja) * | 1999-08-02 | 2009-03-11 | 日新製鋼株式会社 | 耐食性が改善された亜鉛系めっき鋼板,表面処理液及び表面処理方法 |
AUPQ633300A0 (en) | 2000-03-20 | 2000-04-15 | Commonwealth Scientific And Industrial Research Organisation | Process and solution for providing a conversion coating on a metallic surface ii |
AU773837B2 (en) * | 2000-03-20 | 2004-06-10 | Commonwealth Scientific And Industrial Research Organisation | Process and solution for providing a conversion coating on metallic surface |
AU774225B2 (en) * | 2000-03-20 | 2004-06-17 | Commonwealth Scientific And Industrial Research Organisation | Process and solution for providing a conversion coating on metallic surface II |
AUPQ633200A0 (en) | 2000-03-20 | 2000-04-15 | Commonwealth Scientific And Industrial Research Organisation | Process and solution for providing a conversion coating on a metallic surface I |
US6537678B1 (en) | 2000-09-20 | 2003-03-25 | United Technologies Corporation | Non-carcinogenic corrosion inhibiting additive |
US6613390B2 (en) * | 2000-12-19 | 2003-09-02 | United Technologies Corporation | Compound, non-chromium conversion coatings for aluminum alloys |
FR2822852B1 (fr) * | 2001-03-27 | 2003-12-12 | Usinor | Procede de traitement par carboxylatation de surfaces metalliques |
US6524403B1 (en) | 2001-08-23 | 2003-02-25 | Ian Bartlett | Non-chrome passivation process for zinc and zinc alloys |
US6737451B1 (en) * | 2001-09-13 | 2004-05-18 | Arnold Engineering Co., Ltd. | Thermally stable, high temperature, samarium cobalt molding compound |
US7294211B2 (en) * | 2002-01-04 | 2007-11-13 | University Of Dayton | Non-toxic corrosion-protection conversion coats based on cobalt |
US7235142B2 (en) * | 2002-01-04 | 2007-06-26 | University Of Dayton | Non-toxic corrosion-protection rinses and seals based on cobalt |
US6759087B1 (en) * | 2002-04-10 | 2004-07-06 | Conspectus, Inc. | Solution for sealing porous metal substrates and process of applying the solution |
US7402214B2 (en) * | 2002-04-29 | 2008-07-22 | Ppg Industries Ohio, Inc. | Conversion coatings including alkaline earth metal fluoride complexes |
AU2002953190A0 (en) * | 2002-12-09 | 2002-12-19 | Commonwealth Scientific And Industrial Research Organisation | Aqueous coating solutions and method for the treatment of a metal surface |
JP2004327966A (ja) * | 2003-04-07 | 2004-11-18 | Neomax Co Ltd | リン酸鉄系皮膜被覆r−t−b系磁石及びその化成処理方法 |
US20050181137A1 (en) * | 2004-02-17 | 2005-08-18 | Straus Martin L. | Corrosion resistant, zinc coated articles |
US7452427B2 (en) * | 2004-12-01 | 2008-11-18 | Deft, Inc. | Corrosion resistant conversion coatings |
JP4242827B2 (ja) * | 2004-12-08 | 2009-03-25 | 日本パーカライジング株式会社 | 金属の表面処理用組成物、表面処理用処理液、表面処理方法、及び表面処理金属材料 |
DE102005023729A1 (de) * | 2005-05-23 | 2006-11-30 | Basf Coatings Ag | Korrosionsschutzmittel und Verfahren zu dessen stromfreier Applikation |
WO2008036078A2 (en) * | 2006-09-18 | 2008-03-27 | Dave Chandrakant J | A manganese conversion coating process and compositions for zinc parts and zinc-plated parts |
US9187650B2 (en) * | 2007-11-02 | 2015-11-17 | United Technologies Corporation | Anodic-cathodic corrosion inhibitor-conductive polymer composite |
TWI354713B (en) * | 2007-12-03 | 2011-12-21 | Ya Thai Chemical Co Ltd | Chrome-free corrosion inhibitors and applications |
TWI394863B (zh) * | 2007-12-27 | 2013-05-01 | Kansai Paint Co Ltd | 金屬表面處理用組成物及從該金屬表面處理用組成物獲得之具有金屬表面處理層的表面處理金屬材 |
US20110005287A1 (en) * | 2008-09-30 | 2011-01-13 | Bibber Sr John | Method for improving light gauge building materials |
US9347134B2 (en) | 2010-06-04 | 2016-05-24 | Prc-Desoto International, Inc. | Corrosion resistant metallate compositions |
RU2563763C1 (ru) * | 2011-08-12 | 2015-09-20 | Тетра Лаваль Холдингз Энд Файнэнс С.А. | Новая композиция для чернил |
US10876211B2 (en) | 2011-09-16 | 2020-12-29 | Prc-Desoto International, Inc. | Compositions for application to a metal substrate |
RU2609585C2 (ru) | 2012-08-29 | 2017-02-02 | Ппг Индастриз Огайо, Инк. | Циркониевые композиции для предварительной обработки, содержащие литий, соответствующие способы обработки металлических субстратов и соответствующие металлические субстраты с покрытиями |
IN2015DN01537A (es) | 2012-08-29 | 2015-07-03 | Ppg Ind Ohio Inc | |
KR101350961B1 (ko) * | 2012-09-26 | 2014-01-17 | 포항공과대학교 산학협력단 | 금속 기판의 코팅방법 및 이에 의해 제조되는 금속 기판 |
CZ305721B6 (cs) * | 2014-11-11 | 2016-02-17 | Univerzita J. E. Purkyně V Ústí Nad Labem | Způsob povlakování kovových forem ze slitin typu Al - Mg a Al - Si, zejména pro výrobu pneumatik motorových vozidel v automobilovém průmyslu |
MX2019001759A (es) * | 2016-08-12 | 2019-06-13 | Ppg Ind Ohio Inc | Composicion de pretratamiento. |
KR20190043155A (ko) | 2016-08-24 | 2019-04-25 | 피피지 인더스트리즈 오하이오 인코포레이티드 | 금속 기판을 처리하기 위한 알칼리성 조성물 |
JP2021066914A (ja) * | 2019-10-21 | 2021-04-30 | 日本パーカライジング株式会社 | 処理剤、並びに塗装金属材料 |
Family Cites Families (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3728188A (en) | 1971-07-29 | 1973-04-17 | Amchem Prod | Chrome-free deoxidizing and desmutting composition and method |
CA1014831A (en) | 1973-06-06 | 1977-08-02 | Donald J. Melotik | Rare earth metal rinse for metal coatings |
US4310390A (en) | 1977-08-10 | 1982-01-12 | Lockheed Corporation | Protective coating process for aluminum and aluminum alloys |
US4264278A (en) | 1977-10-31 | 1981-04-28 | Oscar Weingart | Blade or spar |
US4233088A (en) * | 1979-03-29 | 1980-11-11 | International Lead Zinc Research Organization, Inc. | Phosphatization of steel surfaces and metal-coated surfaces |
US4298404A (en) * | 1979-09-06 | 1981-11-03 | Richardson Chemical Company | Chromium-free or low-chromium metal surface passivation |
CA1228000A (en) * | 1981-04-16 | 1987-10-13 | David E. Crotty | Chromium appearance passivate solution and process |
US4349392A (en) * | 1981-05-20 | 1982-09-14 | Occidental Chemical Corporation | Trivalent chromium passivate solution and process |
US4359347A (en) * | 1981-04-16 | 1982-11-16 | Occidental Chemical Corporation | Chromium-free passivate solution and process |
AU572825B2 (en) | 1983-03-03 | 1988-05-19 | Fmc Corporation (Uk) Limited | Inhibition of corrosion and scale formation of metal surfaces |
DE3583583D1 (de) | 1984-11-17 | 1991-08-29 | Daikin Ind Ltd | Aetzzusammensetzung. |
JPS61231188A (ja) | 1985-04-04 | 1986-10-15 | Nippon Paint Co Ltd | アルミニウム表面洗浄剤の管理方法 |
US4711667A (en) | 1986-08-29 | 1987-12-08 | Sanchem, Inc. | Corrosion resistant aluminum coating |
US4755224A (en) | 1986-09-18 | 1988-07-05 | Sanchem, Inc. | Corrosion resistant aluminum coating composition |
US4878963A (en) | 1986-09-18 | 1989-11-07 | Sanchem, Inc. | Corrosion resistant aluminum coating composition |
AU1485888A (en) * | 1987-03-03 | 1988-09-26 | Commonwealth Of Australia, The | A method of forming a corrosion resistant coating |
CA1292155C (en) * | 1987-03-03 | 1991-11-19 | Lance Wilson | Method of forming a corrosion resistant coating |
US5030323A (en) | 1987-06-01 | 1991-07-09 | Henkel Corporation | Surface conditioner for formed metal surfaces |
DE68903770T2 (de) | 1988-02-03 | 1993-04-08 | British Petroleum Co | Verfahren zur behandlung einer metalloxidschicht, verfahren zum verbinden eines mit einer metalloxidschicht versehenen metallgegenstandes und daraus hergestellte anordnungen. |
US4921552A (en) | 1988-05-03 | 1990-05-01 | Betz Laboratories, Inc. | Composition and method for non-chromate coating of aluminum |
GB8825482D0 (en) | 1988-11-01 | 1988-12-07 | British Petroleum Co Plc | Surface treatment of metals |
US4988396A (en) | 1989-04-26 | 1991-01-29 | Sanchem, Inc. | Corrosion resistant aluminum coating composition |
US5194138A (en) | 1990-07-20 | 1993-03-16 | The University Of Southern California | Method for creating a corrosion-resistant aluminum surface |
US5118356A (en) | 1990-11-19 | 1992-06-02 | Eastman Kodak Company | Process for cleaning a photographic processing device |
US5198141A (en) | 1990-11-19 | 1993-03-30 | Eastman Kodak Company | Process for cleaning a photographic process device |
DK0488430T3 (da) | 1990-11-30 | 1998-01-05 | Boeing Co | Cromat-frit cobalt-konversionsovertræk |
US5221371A (en) * | 1991-09-03 | 1993-06-22 | Lockheed Corporation | Non-toxic corrosion resistant conversion coating for aluminum and aluminum alloys and the process for making the same |
AU653251B2 (en) | 1991-09-10 | 1994-09-22 | Gibson Chemetall Pty Ltd | Improved coating solution |
US5192374A (en) | 1991-09-27 | 1993-03-09 | Hughes Aircraft Company | Chromium-free method and composition to protect aluminum |
WO1994012687A1 (en) * | 1992-11-26 | 1994-06-09 | Bhp Steel (Jla) Pty. Ltd. | Anti corrosion treatment of aluminium or aluminium alloy surfaces |
DE4243214A1 (de) * | 1992-12-19 | 1994-06-23 | Metallgesellschaft Ag | Verfahren zur Erzeugung von Phosphatüberzügen |
US5362335A (en) | 1993-03-25 | 1994-11-08 | General Motors Corporation | Rare earth coating process for aluminum alloys |
US5356492A (en) | 1993-04-30 | 1994-10-18 | Locheed Corporation | Non-toxic corrosion resistant conversion process coating for aluminum and aluminum alloys |
WO1995000340A1 (en) | 1993-06-18 | 1995-01-05 | Rexham Graphics Inc. | Ink jet receiver sheet |
ES2171170T3 (es) | 1993-09-13 | 2002-09-01 | Commw Scient Ind Res Org | Tratamiento de metales por medio de una solucion de limpieza que contiene iones acidos de tierras raras. |
AUPM621194A0 (en) | 1994-06-10 | 1994-07-07 | Commonwealth Scientific And Industrial Research Organisation | Conversion coating and process for its formation |
GB9420295D0 (en) * | 1994-10-07 | 1994-11-23 | Lu Yucheng | Method of increasing corrosion resistance of steels by treatment with cerium |
-
1995
- 1995-11-10 EP EP95936378A patent/EP0804633B1/en not_active Expired - Lifetime
- 1995-11-10 CA CA002204897A patent/CA2204897C/en not_active Expired - Fee Related
- 1995-11-10 AT AT95936378T patent/ATE213285T1/de active
- 1995-11-10 US US08/836,307 patent/US6206982B1/en not_active Expired - Fee Related
- 1995-11-10 JP JP51557996A patent/JP3655635B2/ja not_active Expired - Fee Related
- 1995-11-10 AU AU38353/95A patent/AU684238B2/en not_active Ceased
- 1995-11-10 WO PCT/AU1995/000745 patent/WO1996015292A1/en active IP Right Grant
- 1995-11-10 CZ CZ971431A patent/CZ143197A3/cs unknown
- 1995-11-10 DE DE69525475T patent/DE69525475T2/de not_active Expired - Lifetime
- 1995-11-10 PL PL95320138A patent/PL320138A1/xx unknown
- 1995-11-10 MX MX9703435A patent/MX9703435A/es not_active IP Right Cessation
- 1995-11-10 ES ES95936378T patent/ES2173202T3/es not_active Expired - Lifetime
-
1997
- 1997-05-09 NO NO19972155A patent/NO318586B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO318586B1 (no) | 2005-04-11 |
WO1996015292A1 (en) | 1996-05-23 |
DE69525475T2 (de) | 2002-10-02 |
DE69525475D1 (de) | 2002-03-21 |
CA2204897A1 (en) | 1996-05-23 |
AU684238B2 (en) | 1997-12-04 |
ATE213285T1 (de) | 2002-02-15 |
JPH10508659A (ja) | 1998-08-25 |
EP0804633B1 (en) | 2002-02-13 |
AU3835395A (en) | 1996-06-06 |
PL320138A1 (en) | 1997-09-15 |
EP0804633A4 (en) | 1998-02-25 |
US6206982B1 (en) | 2001-03-27 |
JP3655635B2 (ja) | 2005-06-02 |
NO972155D0 (no) | 1997-05-09 |
CA2204897C (en) | 2005-01-25 |
ES2173202T3 (es) | 2002-10-16 |
CZ143197A3 (en) | 1997-10-15 |
EP0804633A1 (en) | 1997-11-05 |
NO972155L (no) | 1997-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG | Grant or registration | ||
MM | Annulment or lapse due to non-payment of fees |