VAPOUR-PHASE ACID CORROSION INHIBITORS AND PROCEDURE FOR THEIR PRODUCTION Russian patent published in 2012 - IPC C23F11/02 

Abstract RU 2453632 C2

FIELD: metallurgy.

SUBSTANCE: corrosion inhibiting composition capable of evaporation or sublimation, includes at least one aliphatic monocarboxylic acids with chain length from C6 to C10, at least one aliphatic dicarboxylic acid having a chain length from C6 to C10, a primary aromatic amide and an aliphatic compound ester of hydroxybenzoic acid. A method of producing of the said composition comprises mixing of the components listed above. The composition is used as a vapour phase corrosion inhibitor for packaging, storage or transportation, in cover material for corrosion protection of industrially important metals such as iron, chromium, nickel, tin, zinc, aluminium, copper, magnesium and their alloys.

EFFECT: raised corrosion resistance of protected metals.

18 cl, 2 tbl, 4 ex

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RU 2 453 632 C2

Authors

Rajnkhard Georg

Ludvig Urte

Khan Gerkhard

Dates

2012-06-20Published

2008-12-11Filed