FR2391261A1 - Poly:ol(s) esp. D-sorbitol useful as corrosion inhibitors - for aluminium (alloys) esp. in aq. systems e.g. refrigerant liq. circuits - Google Patents

Poly:ol(s) esp. D-sorbitol useful as corrosion inhibitors - for aluminium (alloys) esp. in aq. systems e.g. refrigerant liq. circuits

Info

Publication number
FR2391261A1
FR2391261A1 FR7715319A FR7715319A FR2391261A1 FR 2391261 A1 FR2391261 A1 FR 2391261A1 FR 7715319 A FR7715319 A FR 7715319A FR 7715319 A FR7715319 A FR 7715319A FR 2391261 A1 FR2391261 A1 FR 2391261A1
Authority
FR
France
Prior art keywords
esp
liq
refrigerant
sorbitol
alloys
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
FR7715319A
Other languages
French (fr)
Other versions
FR2391261B1 (en
Inventor
Jean-Claude Dejouhanet
Alain Hochard
Jean Knopf
Michel Peltier
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.)
Shell Francaise SA
Original Assignee
Shell Francaise SA
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 Shell Francaise SA filed Critical Shell Francaise SA
Priority to FR7715319A priority Critical patent/FR2391261A1/en
Publication of FR2391261A1 publication Critical patent/FR2391261A1/en
Application granted granted Critical
Publication of FR2391261B1 publication Critical patent/FR2391261B1/fr
Granted legal-status Critical Current

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
    • C23F11/10—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 using organic inhibitors
    • C23F11/12—Oxygen-containing compounds
    • C23F11/122—Alcohols; Aldehydes; Ketones

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)
  • Anti-Oxidant Or Stabilizer Compositions (AREA)

Abstract

The 6C polyol cpds. are used as a corrosion inhibitor for aluminium or its alloys. The cpds. are used in the form of a fluid contg. the polyol. The cpds. may be used in cooling and refrigerant liq. circuits contg. Al or in the working of Al such as cutting rolling etc. The Al is susceptible to corrosion partic. at above 70 degrees C, in the presence of neutral, acid, alkaline or saline water. The polyol is pref. straight chain, esp. a pentol or a hexal, specifically D-sorbitol. The liq. form may be an aq. soln., an emulsifiable oil or an emulsion, esp. contg. 0.1-20%, pref. 1-10%.
FR7715319A 1977-05-18 1977-05-18 Poly:ol(s) esp. D-sorbitol useful as corrosion inhibitors - for aluminium (alloys) esp. in aq. systems e.g. refrigerant liq. circuits Granted FR2391261A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7715319A FR2391261A1 (en) 1977-05-18 1977-05-18 Poly:ol(s) esp. D-sorbitol useful as corrosion inhibitors - for aluminium (alloys) esp. in aq. systems e.g. refrigerant liq. circuits

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7715319A FR2391261A1 (en) 1977-05-18 1977-05-18 Poly:ol(s) esp. D-sorbitol useful as corrosion inhibitors - for aluminium (alloys) esp. in aq. systems e.g. refrigerant liq. circuits

Publications (2)

Publication Number Publication Date
FR2391261A1 true FR2391261A1 (en) 1978-12-15
FR2391261B1 FR2391261B1 (en) 1980-09-05

Family

ID=9191023

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7715319A Granted FR2391261A1 (en) 1977-05-18 1977-05-18 Poly:ol(s) esp. D-sorbitol useful as corrosion inhibitors - for aluminium (alloys) esp. in aq. systems e.g. refrigerant liq. circuits

Country Status (1)

Country Link
FR (1) FR2391261A1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432559A1 (en) * 1978-07-31 1980-02-29 Chemed Corp ANTI-CORROSION COMPOSITION
EP0028927A1 (en) * 1979-11-09 1981-05-20 RAYCHEM CORPORATION (a California corporation) The use of polyhydroxy compounds for protecting substrates from corrosion, articles and methods for protecting substrates using these compounds and substrates so protected
EP0048216A1 (en) * 1980-09-12 1982-03-24 Schweizerische Aluminium Ag Oil-in-water emulsion for the cold rolling of aluminium and its alloys

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2432559A1 (en) * 1978-07-31 1980-02-29 Chemed Corp ANTI-CORROSION COMPOSITION
EP0028927A1 (en) * 1979-11-09 1981-05-20 RAYCHEM CORPORATION (a California corporation) The use of polyhydroxy compounds for protecting substrates from corrosion, articles and methods for protecting substrates using these compounds and substrates so protected
EP0048216A1 (en) * 1980-09-12 1982-03-24 Schweizerische Aluminium Ag Oil-in-water emulsion for the cold rolling of aluminium and its alloys

Also Published As

Publication number Publication date
FR2391261B1 (en) 1980-09-05

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Legal Events

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