PT683246E - Tratamento de limpeza e passivacao de metais. - Google Patents

Tratamento de limpeza e passivacao de metais. Download PDF

Info

Publication number
PT683246E
PT683246E PT95301519T PT95301519T PT683246E PT 683246 E PT683246 E PT 683246E PT 95301519 T PT95301519 T PT 95301519T PT 95301519 T PT95301519 T PT 95301519T PT 683246 E PT683246 E PT 683246E
Authority
PT
Portugal
Prior art keywords
ion
cleaning
treatment solution
molybdate
imidazoline
Prior art date
Application number
PT95301519T
Other languages
English (en)
Portuguese (pt)
Inventor
Edward Albert Rodzewich
Barry Paul Gunagan
Original Assignee
Betz Europ Inc
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 Betz Europ Inc filed Critical Betz Europ Inc
Publication of PT683246E publication Critical patent/PT683246E/pt

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23FNON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F11/00Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23GCLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G1/00Cleaning or pickling metallic material with solutions or molten salts
    • C23G1/24Cleaning or pickling metallic material with solutions or molten salts with neutral solutions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)
  • Cleaning Or Drying Semiconductors (AREA)
  • Detergent Compositions (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
PT95301519T 1994-05-20 1995-03-08 Tratamento de limpeza e passivacao de metais. PT683246E (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US24655094A 1994-05-20 1994-05-20

Publications (1)

Publication Number Publication Date
PT683246E true PT683246E (pt) 2000-11-30

Family

ID=22931164

Family Applications (1)

Application Number Title Priority Date Filing Date
PT95301519T PT683246E (pt) 1994-05-20 1995-03-08 Tratamento de limpeza e passivacao de metais.

Country Status (6)

Country Link
EP (1) EP0683246B1 (de)
AT (1) ATE194858T1 (de)
CA (1) CA2143471A1 (de)
DE (1) DE69518036T2 (de)
ES (1) ES2148433T3 (de)
PT (1) PT683246E (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102797004A (zh) * 2012-08-23 2012-11-28 李征 环保型有色金属表面处理剂及制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1133385A (en) * 1966-03-18 1968-11-13 Fuji Iron & Steel Company Ltd Storage of corrodible metals
DE3316724A1 (de) * 1983-05-07 1984-11-08 Henkel KGaA, 4000 Düsseldorf Mittel und verfahren zur reinigung und passivierung von metallen im spritzverfahren
US4450088A (en) * 1983-05-19 1984-05-22 Basf Wyandotte Corporation Corrosion inhibited alcohol compositions
US4759847A (en) * 1983-12-05 1988-07-26 Medbury Seward J Filter for the sorption of a petroleum product from a liquid
US4647392A (en) * 1985-12-27 1987-03-03 Texaco Inc. Monobasic-dibasic acid/salt antifreeze corrosion inhibitor
US4926449A (en) * 1988-02-22 1990-05-15 Burda Paul A Corrosion inhibition of closed cooling water auxiliary system for nuclear power plants
FR2686346B1 (fr) * 1992-01-21 1994-09-30 Bp Chemicals Snc Composition antigel et fluide aqueux.

Also Published As

Publication number Publication date
EP0683246A1 (de) 1995-11-22
DE69518036D1 (de) 2000-08-24
ES2148433T3 (es) 2000-10-16
EP0683246B1 (de) 2000-07-19
DE69518036T2 (de) 2001-03-22
CA2143471A1 (en) 1995-11-21
ATE194858T1 (de) 2000-08-15

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