FIELD: metallurgy.
SUBSTANCE: inhibitor contains the product of amine condensation with aldehyde, at the same time it additionally contains a derivative of dipyridylium (1,1'-dimethyl-4,4'-dipyridylium dichloride), a derivative of pyrimidine (2-ethylamino-4-oxy-5-butyl-6-methyl pyridine) and urotropine, and the product of amine condensation with aldehyde n-nitrobenzal-o-aminophenol, at the following ratio of components, wt %: n-nitrobenzal-o-aminophenol 9.2-12.9; 2-ethylamino-4-oxy-5-butyl-6-methyl pyridine 22.7-27.0; 1,1'-dimethyl-4,4'-dipyridylium dichloride 14.1-19.6; urotropine 54.0-40.5.
EFFECT: higher efficiency of an inhibitor for protection against corrosion of steel, nickel and cobalt.
2 tbl, 3 ex
| Title | Year | Author | Number |
|---|---|---|---|
| INHIBITOR OF CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2009 |
|
RU2418099C1 |
| METAL CORROSION INHIBITOR IN SULFURIC, CHLORIDE HYDRIDE AND ORTHOPHOSPHORIC ACID | 2007 |
|
RU2352687C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS | 2008 |
|
RU2385362C1 |
| METAL CORROSION INHIBITOR IN SULFURIC AND CHLOR-HYDROGENOUS ACIDS | 2007 |
|
RU2343226C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2009 |
|
RU2398916C1 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2010 |
|
RU2456374C1 |
| CORROSION METAL INHIBITOR IN DIPPING, CHLOROHYDRIC AND ORTHO - PHOSPHORIC ACIDS | 2005 |
|
RU2324766C2 |
| INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS | 2009 |
|
RU2398915C1 |
| CORROSION INHIBITOR OF METALS IN SULFURIC AND HYDROCHLORIC ACIDS | 1998 |
|
RU2151216C1 |
| CORROSION INHIBITOR FOR PROTECTION OF METALS IN SULFURIC, HYDROCHLORIC AND SULFAMIC ACIDS | 2006 |
|
RU2296814C1 |
