GB953288A - Inhibition of corrosion by chlorinated solvents - Google Patents
Inhibition of corrosion by chlorinated solventsInfo
- Publication number
- GB953288A GB953288A GB3930162A GB3930162A GB953288A GB 953288 A GB953288 A GB 953288A GB 3930162 A GB3930162 A GB 3930162A GB 3930162 A GB3930162 A GB 3930162A GB 953288 A GB953288 A GB 953288A
- Authority
- GB
- United Kingdom
- Prior art keywords
- bromide
- quaternary ammonium
- weight
- alkyl
- cetyl
- 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.)
- Expired
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
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
- C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents
- C23G5/028—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons
- C23G5/02854—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents containing halogenated hydrocarbons characterised by the stabilising or corrosion inhibiting additives
- C23G5/02893—Sulfur-containing compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- C07C17/42—Use of additives, e.g. for stabilisation
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Preventing Corrosion Or Incrustation Of Metals (AREA)
Abstract
The corrosive properties towards zinc of degreasing compositions comprising (a) trichlorethylene or methyl chloroform which contains as a stabilizer (b) an organic nitrogen base or a quaternary ammonium compound, generally in an amount of 0.0005-0.3% by weight, are reduced by the inclusion of (c) a corrosion inhibiting amount, preferably 0.001-0.1% by weight, of carbon disulphide. (b) may comprise such amines as the pyridines, pyrroles or piperidines, propylamine, butylamine, triethylamine, diisopropylamine, aniline, dimethylaniline and N-alkyl morpholines, or quaternary ammonium compounds of general formula N+R4X- wherein the R groups, which are not necessarily all the same, may be alkyl, alkenyl or aromatic groups, and two or more of the R substituents may, with the N atom, form a cyclic group, and X may be hydroxyl, chloride, bromide, acetate, nitrate or sulphate, e.g. cetyl-trimethylammonium bromide, cetyl pyridinium bromide, or benzyltrimethylammonium salts.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA834801 | 1961-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB953288A true GB953288A (en) | 1964-03-25 |
Family
ID=4141389
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB3930162A Expired GB953288A (en) | 1961-10-28 | 1962-10-17 | Inhibition of corrosion by chlorinated solvents |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE624156A (en) |
| GB (1) | GB953288A (en) |
| NL (1) | NL284777A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100100A (en) * | 1977-03-28 | 1978-07-11 | The Dow Chemical Company | Cobalt-containing inhibitor for sour gas conditioning solutions |
| CA1084687A (en) * | 1977-03-28 | 1980-09-02 | Robert C. Clouse | Quaternary pyridinium salt inhibitor system for gas conditioning solutions |
-
0
- BE BE624156D patent/BE624156A/xx unknown
- NL NL284777D patent/NL284777A/xx unknown
-
1962
- 1962-10-17 GB GB3930162A patent/GB953288A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL284777A (en) | |
| BE624156A (en) |
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