Vapour phase corrosion inhibitor

Details Vapour phase corrosion inhibitor Vapour phase corrosion inhibitor

C - Chemistry, Metallurgy

23

F

C23F 11/18 (2006.01) C09D 5/08 (2006.01) C23F 11/02 (2006.01)

Patent

CA 2285911

A corrosion inhibiting composition includes, by weight, 2% to 20% alkali metal nitrite, 16% to 90% alkali metal benzoate and 4% to 50% alkali metal molybdate. The composition is mixed with a resin carrier to form a master batch. A plastic composition containing a corrosion inhibiting component and a resin is also provided wherein the corrosion inhibiting component includes 0.13% to 1.25% alkali metal nitrite, 1% to 5.63% alkali metal benzoate and 0.25% to 3.13% alkali metal molybdate by weight of the plastic composition. The plastic composition can be formed into a film which can be used to cover metal articles thereby preventing corrosion.

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