NZ228751A - Composition and method for inhibiting corrosion in an aqueous system comprising a molybdate, a carboxylic acid/sulphonic acid polymer and a polyphosphoric acid or ester - Google Patents

Composition and method for inhibiting corrosion in an aqueous system comprising a molybdate, a carboxylic acid/sulphonic acid polymer and a polyphosphoric acid or ester

Info

Publication number
NZ228751A
NZ228751A NZ228751A NZ22875189A NZ228751A NZ 228751 A NZ228751 A NZ 228751A NZ 228751 A NZ228751 A NZ 228751A NZ 22875189 A NZ22875189 A NZ 22875189A NZ 228751 A NZ228751 A NZ 228751A
Authority
NZ
New Zealand
Prior art keywords
acid
ester
composition
molybdate
inhibiting corrosion
Prior art date
Application number
NZ228751A
Inventor
Bennett P Boffardi
Original Assignee
Calgon Corp
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 Calgon Corp filed Critical Calgon Corp
Publication of NZ228751A publication Critical patent/NZ228751A/en

Links

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
    • C23F—NON-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
    • C23F11/00—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent
    • C23F11/08—Inhibiting corrosion of metallic material by applying inhibitors to the surface in danger of corrosion or adding them to the corrosive agent in other liquids

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Preventing Corrosion Or Incrustation Of Metals (AREA)

Abstract

A method for inhibiting corrosion in aqueous systems comprising adding to the system being treated an effective amount of a composition comprising a molybdate ion source, a carboxylic acid/sulfonic acid polymer or salt thereof and polyphosphoric acid or an ester of polyphosphoric acid.
NZ228751A 1988-04-21 1989-04-14 Composition and method for inhibiting corrosion in an aqueous system comprising a molybdate, a carboxylic acid/sulphonic acid polymer and a polyphosphoric acid or ester NZ228751A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18431988A 1988-04-21 1988-04-21

Publications (1)

Publication Number Publication Date
NZ228751A true NZ228751A (en) 1991-10-25

Family

ID=22676422

Family Applications (1)

Application Number Title Priority Date Filing Date
NZ228751A NZ228751A (en) 1988-04-21 1989-04-14 Composition and method for inhibiting corrosion in an aqueous system comprising a molybdate, a carboxylic acid/sulphonic acid polymer and a polyphosphoric acid or ester

Country Status (8)

Country Link
EP (1) EP0339716B1 (en)
JP (1) JPH01316475A (en)
AT (1) ATE83804T1 (en)
AU (1) AU617791B2 (en)
DE (1) DE68903989T2 (en)
ES (1) ES2045384T3 (en)
GR (1) GR3007148T3 (en)
NZ (1) NZ228751A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4798683A (en) * 1988-04-21 1989-01-17 Calgon Corporation Method for controlling corrosion using molybdate compositions
WO1992018665A1 (en) * 1991-04-12 1992-10-29 Gulf Coast Performance Chemical, Inc. Method and composition for inhibiting general and pitting corrosion in cooling tower water
DE19706410C2 (en) * 1997-02-19 2001-04-05 Metakorin Wasser Chemie Gmbh Process and agent for the anti-corrosion treatment of water-bearing metal systems
JP5099884B2 (en) * 2007-03-29 2012-12-19 伯東株式会社 Corrosion inhibitor

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4176059A (en) * 1978-06-08 1979-11-27 Quatic Chemicals Limited Anti-corrosion composition for use in aqueous systems
US4409121A (en) * 1980-07-21 1983-10-11 Uop Inc. Corrosion inhibitors
JPS5919480A (en) * 1982-07-26 1984-01-31 Olympus Optical Co Ltd Solid-state image pickup device
US4512552A (en) * 1982-11-16 1985-04-23 Katayama Chemical Works Co., Ltd. Corrosion inhibitor
EP0122013B1 (en) * 1983-03-07 1988-12-21 Calgon Corporation Polymeric additives for water
US4640793A (en) * 1984-02-14 1987-02-03 Calgon Corporation Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers
US4717495A (en) * 1984-11-30 1988-01-05 Fleetguard, Inc. Diesel engine cooling system compositions
US4798683A (en) * 1988-04-21 1989-01-17 Calgon Corporation Method for controlling corrosion using molybdate compositions

Also Published As

Publication number Publication date
ES2045384T3 (en) 1994-01-16
AU3319289A (en) 1989-10-26
EP0339716B1 (en) 1992-12-23
JPH01316475A (en) 1989-12-21
GR3007148T3 (en) 1993-07-30
EP0339716A1 (en) 1989-11-02
AU617791B2 (en) 1991-12-05
DE68903989D1 (en) 1993-02-04
DE68903989T2 (en) 1993-06-03
ATE83804T1 (en) 1993-01-15

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