METHOD OF PREPARING CARBON STEELS FOR APPLICATION OF POLYETHYLENE COATING Russian patent published in 2002 - IPC

Abstract RU 2192498 C1

FIELD: methods of preparation of carbon steels for application of polyethylene coating; applicable in mechanical engineering, chemical and other industries for increase of corrosion resistance of metals. SUBSTANCE: carbon steel is treated with aqueous solution of the following chemicals, g/l: nitric acid, 8-16; citric acid, 3-7; sulfosalicylic acid, 4-10; sodium chloride, 8-12; sodium sulfite, 40-60. EFFECT: reduced power consumption, simplified process, increased cohesion of polyethylene coating with base. 1 cl, 1 tbl, 5 ex

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RU 2 192 498 C1

Authors

Sverdlov A.I.

Kuznetsov A.T.

Zakhvatov G.I.

Dates

2002-11-10—Published

2001-04-16—Filed