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 esterInfo
- 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
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.
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)
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 |
AU660027B2 (en) * | 1991-04-12 | 1995-06-08 | 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)
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 |
CA1258963A (en) * | 1983-03-07 | 1989-09-05 | Bennett P. Boffardi | Synergistic scale and corrosion inhibiting admixtures containing carboxylic acid/sulfonic acid polymers |
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 |
-
1989
- 1989-04-14 NZ NZ228751A patent/NZ228751A/en unknown
- 1989-04-17 DE DE8989200969T patent/DE68903989T2/en not_active Expired - Fee Related
- 1989-04-17 EP EP89200969A patent/EP0339716B1/en not_active Expired - Lifetime
- 1989-04-17 ES ES89200969T patent/ES2045384T3/en not_active Expired - Lifetime
- 1989-04-17 AT AT89200969T patent/ATE83804T1/en not_active IP Right Cessation
- 1989-04-19 AU AU33192/89A patent/AU617791B2/en not_active Ceased
- 1989-04-21 JP JP1103325A patent/JPH01316475A/en active Pending
-
1993
- 1993-02-25 GR GR930400384T patent/GR3007148T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
DE68903989D1 (en) | 1993-02-04 |
JPH01316475A (en) | 1989-12-21 |
ATE83804T1 (en) | 1993-01-15 |
EP0339716B1 (en) | 1992-12-23 |
EP0339716A1 (en) | 1989-11-02 |
GR3007148T3 (en) | 1993-07-30 |
DE68903989T2 (en) | 1993-06-03 |
ES2045384T3 (en) | 1994-01-16 |
AU617791B2 (en) | 1991-12-05 |
AU3319289A (en) | 1989-10-26 |
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