EP2243863A1 - Fortlaufendes, chemisches Patinierungs-/Satinierungsverfahren für Zink-Titan-Legierungen - Google Patents

Fortlaufendes, chemisches Patinierungs-/Satinierungsverfahren für Zink-Titan-Legierungen Download PDF

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Publication number
EP2243863A1
EP2243863A1 EP10159892A EP10159892A EP2243863A1 EP 2243863 A1 EP2243863 A1 EP 2243863A1 EP 10159892 A EP10159892 A EP 10159892A EP 10159892 A EP10159892 A EP 10159892A EP 2243863 A1 EP2243863 A1 EP 2243863A1
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EP
European Patent Office
Prior art keywords
chromium
treatment
acid
titanium
zinc
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
Application number
EP10159892A
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English (en)
French (fr)
Other versions
EP2243863B1 (de
Inventor
Ernesto Caldana
Angelo Grandini
Matteo Damiani
Marco Bianchi
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.)
Simar - Metalli Marghera SpA Soc
NP Coil Dexter Industries SRL
Original Assignee
Simar - Metalli Marghera SpA Soc
NP Coil Dexter Industries SRL
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Publication of EP2243863A1 publication Critical patent/EP2243863A1/de
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    • 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
    • C23G1/20—Other heavy metals
    • 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
    • C23C22/07—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 phosphates
    • C23C22/08—Orthophosphates
    • C23C22/10—Orthophosphates containing oxidants
    • 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
    • C23C22/24—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 hexavalent chromium compounds
    • C23C22/33—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 hexavalent chromium compounds containing also phosphates
    • 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
    • C23C22/34—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 fluorides or complex fluorides
    • 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
    • C23C22/44—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 containing also fluorides or complex fluorides
    • 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
    • C23C22/53—Treatment of zinc or alloys based thereon
    • 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
    • C23C22/73—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 characterised by the process
    • 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
    • C23C22/82—After-treatment
    • C23C22/83—Chemical after-treatment
    • 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
    • C23C2222/00—Aspects relating to chemical surface treatment of metallic material by reaction of the surface with a reactive medium
    • C23C2222/10—Use of solutions containing trivalent chromium but free of hexavalent chromium

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  • 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)
  • Chemically Coating (AREA)
  • Catalysts (AREA)
EP20100159892 2009-04-21 2010-04-14 Fortlaufendes, chemisches Patinierungs-/Satinierungsverfahren für Zink-Titan-Legierungen Not-in-force EP2243863B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2009A000665A IT1393946B1 (it) 2009-04-21 2009-04-21 Processo di trattamento in continuo di patinatura/satinatura chimica di leghe zinco-titanio

Publications (2)

Publication Number Publication Date
EP2243863A1 true EP2243863A1 (de) 2010-10-27
EP2243863B1 EP2243863B1 (de) 2012-06-20

Family

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Application Number Title Priority Date Filing Date
EP20100159892 Not-in-force EP2243863B1 (de) 2009-04-21 2010-04-14 Fortlaufendes, chemisches Patinierungs-/Satinierungsverfahren für Zink-Titan-Legierungen

Country Status (2)

Country Link
EP (1) EP2243863B1 (de)
IT (1) IT1393946B1 (de)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102534599A (zh) * 2011-12-30 2012-07-04 大连三达奥克化学股份有限公司 铸造镁合金工件喷涂涂装前专用磷化剂及生产方法
CN103695892A (zh) * 2013-12-23 2014-04-02 奎克化学（中国）有限公司 用于镀锌材料的基于复合封闭技术的钝化液及其制备方法
CN107488845A (zh) * 2016-06-11 2017-12-19 上海梅山钢铁股份有限公司 一种用于镀锡钢板的无铬钝化液及其使用方法
CN107937893A (zh) * 2017-12-24 2018-04-20 无锡市恒利弘实业有限公司 一种铝或铝合金用环保钝化液及其制备方法和处理工艺
CN108149232A (zh) * 2017-12-24 2018-06-12 无锡市恒利弘实业有限公司 一种铝或七系铝合金用环保钝化液及其制备方法和处理工艺
US10125424B2 (en) 2012-08-29 2018-11-13 Ppg Industries Ohio, Inc. Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates
CN109252152A (zh) * 2018-11-20 2019-01-22 重庆广仁铁塔制造有限公司 镀锌用无铬钝化剂及其制备方法
CN109321906A (zh) * 2018-12-05 2019-02-12 湖南恒佳新材料科技有限公司 一种耐腐蚀铝合金材料及其制备方法
CN109440093A (zh) * 2018-11-23 2019-03-08 佛山市海明威生态科技股份有限公司 一种铝材无铬钝化剂及其制备方法
US10400337B2 (en) 2012-08-29 2019-09-03 Ppg Industries Ohio, Inc. Zirconium pretreatment compositions containing lithium, associated methods for treating metal substrates, and related coated metal substrates
US10435806B2 (en) 2015-10-12 2019-10-08 Prc-Desoto International, Inc. Methods for electrolytically depositing pretreatment compositions
CN110607522A (zh) * 2019-10-12 2019-12-24 佛山市湾厦新材料科技有限公司 陶化剂及其制备方法和应用
CN112301338A (zh) * 2020-07-02 2021-02-02 上海兴赛尔表面材料有限公司 一种中低温快速固化的三价铬钝化液及其制造和使用方法
WO2021133863A1 (en) * 2019-12-26 2021-07-01 Prc-Desoto International, Inc. Systems and methods for treating a metal substrate
US11518960B2 (en) 2016-08-24 2022-12-06 Ppg Industries Ohio, Inc. Alkaline molybdenum cation and phosphonate-containing cleaning composition
EP4190941A4 (de) * 2020-07-31 2024-01-03 Dipsol Chem Flüssigkeit zur chemischen umwandlungsbehandlung, verfahren zur chemischen umwandlungsbehandlung damit und beschichtung zur chemischen umwandlung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0827785A2 (de) 1996-09-09 1998-03-11 Rheinzink Gmbh Verfahren zur Herstellung von Schutzschichten auf Flacherzeugnissen aus Titanzink
WO2003018872A1 (en) * 2001-08-23 2003-03-06 Macdermid, Incorporated Non-chrome passivation process for zinc and zinc alloys
EP1433877A1 (de) * 2002-12-24 2004-06-30 Nippon Paint Co., Ltd. Verfahren zur Vorbehandlung vor der Beschichtung

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0827785A2 (de) 1996-09-09 1998-03-11 Rheinzink Gmbh Verfahren zur Herstellung von Schutzschichten auf Flacherzeugnissen aus Titanzink
WO2003018872A1 (en) * 2001-08-23 2003-03-06 Macdermid, Incorporated Non-chrome passivation process for zinc and zinc alloys
EP1433877A1 (de) * 2002-12-24 2004-06-30 Nippon Paint Co., Ltd. Verfahren zur Vorbehandlung vor der Beschichtung

Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102534599A (zh) * 2011-12-30 2012-07-04 大连三达奥克化学股份有限公司 铸造镁合金工件喷涂涂装前专用磷化剂及生产方法
US10125424B2 (en) 2012-08-29 2018-11-13 Ppg Industries Ohio, Inc. Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates
US10920324B2 (en) 2012-08-29 2021-02-16 Ppg Industries Ohio, Inc. Zirconium pretreatment compositions containing molybdenum, associated methods for treating metal substrates, and related coated metal substrates
US10400337B2 (en) 2012-08-29 2019-09-03 Ppg Industries Ohio, Inc. Zirconium pretreatment compositions containing lithium, associated methods for treating metal substrates, and related coated metal substrates
CN103695892A (zh) * 2013-12-23 2014-04-02 奎克化学（中国）有限公司 用于镀锌材料的基于复合封闭技术的钝化液及其制备方法
CN103695892B (zh) * 2013-12-23 2016-03-02 奎克化学（中国）有限公司 用于镀锌材料的基于复合封闭技术的钝化液及其制备方法
US10435806B2 (en) 2015-10-12 2019-10-08 Prc-Desoto International, Inc. Methods for electrolytically depositing pretreatment compositions
US11591707B2 (en) 2015-10-12 2023-02-28 Ppg Industries Ohio, Inc. Methods for electrolytically depositing pretreatment compositions
CN107488845A (zh) * 2016-06-11 2017-12-19 上海梅山钢铁股份有限公司 一种用于镀锡钢板的无铬钝化液及其使用方法
CN107488845B (zh) * 2016-06-11 2019-11-19 上海梅山钢铁股份有限公司 一种用于镀锡钢板的无铬钝化液及其使用方法
US11518960B2 (en) 2016-08-24 2022-12-06 Ppg Industries Ohio, Inc. Alkaline molybdenum cation and phosphonate-containing cleaning composition
CN108149232A (zh) * 2017-12-24 2018-06-12 无锡市恒利弘实业有限公司 一种铝或七系铝合金用环保钝化液及其制备方法和处理工艺
CN107937893A (zh) * 2017-12-24 2018-04-20 无锡市恒利弘实业有限公司 一种铝或铝合金用环保钝化液及其制备方法和处理工艺
CN109252152B (zh) * 2018-11-20 2020-11-10 重庆广仁铁塔制造有限公司 镀锌用无铬钝化剂及其制备方法
CN109252152A (zh) * 2018-11-20 2019-01-22 重庆广仁铁塔制造有限公司 镀锌用无铬钝化剂及其制备方法
CN109440093A (zh) * 2018-11-23 2019-03-08 佛山市海明威生态科技股份有限公司 一种铝材无铬钝化剂及其制备方法
CN109321906A (zh) * 2018-12-05 2019-02-12 湖南恒佳新材料科技有限公司 一种耐腐蚀铝合金材料及其制备方法
CN110607522A (zh) * 2019-10-12 2019-12-24 佛山市湾厦新材料科技有限公司 陶化剂及其制备方法和应用
WO2021133863A1 (en) * 2019-12-26 2021-07-01 Prc-Desoto International, Inc. Systems and methods for treating a metal substrate
CN112301338A (zh) * 2020-07-02 2021-02-02 上海兴赛尔表面材料有限公司 一种中低温快速固化的三价铬钝化液及其制造和使用方法
EP4190941A4 (de) * 2020-07-31 2024-01-03 Dipsol Chem Flüssigkeit zur chemischen umwandlungsbehandlung, verfahren zur chemischen umwandlungsbehandlung damit und beschichtung zur chemischen umwandlung

Also Published As

Publication number Publication date
IT1393946B1 (it) 2012-05-17
ITMI20090665A1 (it) 2010-10-22
EP2243863B1 (de) 2012-06-20

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