MIGRATING INHIBITOR OF CORROSION OF STEEL REINFORCEMENT IN CONCRETE Russian patent published in 2024 - IPC C23F11/00 

FIELD: various technological processes.

SUBSTANCE: invention relates to protection of ferrous metals from corrosion by means of inhibitors and can be used for protection of steel reinforcement of reinforced concrete articles. Migrating inhibitor of corrosion of steel reinforcement in concrete contains components at the following ratio, wt.%: benzoic acid 5–10, trisodium phosphate 5–10, dimethylaminoethanol 5–10, urotropin 5–10, water 60–80.

EFFECT: use of the disclosed inhibitor provides suppression of corrosion of steel reinforcement at distance of 50 mm from the application surface, thereby increasing service life of reinforced concrete constructions and structures and simplifying their repair.

1 cl, 1 tbl