FIELD: metallurgy; chemistr.
SUBSTANCE: invention relates to metal protection against corrosion in acid environment by means of inhibitors and can be used in etchant and equipment's acid treatment. Inhibitor contains, wt %: disalcylalbenzidine 30.4-18.2; (dodecylcarbamoyl methyl)-benzyldiethylammonium iodide 8.7-12.1; 5-chlorine -2-isopropyl benzimidazole 17.4-22.7; urotropin 43.5-47.0.
EFFECT: corrosion inhibition steel of steel, titanium and cadmium, decreasing of steel hydrogenation.
2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| INHIBITOR OF CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2009 |
|
RU2418099C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2011 |
|
RU2487193C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2008 |
|
RU2385362C1 |
| CORROSION INHIBITOR IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2004 |
|
RU2265675C1 |
| METAL CORROSION INHIBITOR IN SULFURIC AND CHLOR-HYDROGENOUS ACIDS | 2007 |
|
RU2343226C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2010 |
|
RU2456374C1 |
| METAL CORROSION INHIBITOR IN SULFURIC, HYDROCHLORIC ACID ORTHOPHOSPHORIC ACIDS | 1999 |
|
RU2170288C2 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND SULFAMIC ACIDS | 2008 |
|
RU2347854C1 |
| CORROSION INHIBITOR FOR PROTECTION OF METALS IN SULFURIC, HYDROCHLORIC AND SULFAMIC ACIDS | 2006 |
|
RU2296814C1 |
| CORROSION INHIBITOR FOR PROTECTION OF METALS IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2006 |
|
RU2296816C1 |
