WASHING AGENT FOR PURIFICATION OF THE METALLIC SURFACE Russian patent published in 2007 - IPC C11D1/66 C11D3/04 C11D3/37 

FIELD: metallurgy industry; mechanical engineering; motor-car industry; other industries; production of the washing agent for purification of the metallic surfaces.

SUBSTANCE: the invention is pertaining to removal of the fatty and muddy pollutions, rust-preventing lubricants, the stuck metal particles, dust and may be used in metallurgy industry, mechanical engineering, motor-car industry and other industries. Substance: the washing agent contains the sodium hydroxide, the sodium carbonate, sodium metasilicate, sodium tripolyphosphate, oxyethylated monononylphenol on the basis of trimers of propylene with 9-12 moles of ethylene oxide and the flocculant in amount of 0.1-2.0 mass %. The flocculant represents the polymer prop-2-eneamide with N,N,N-trimethyl-3-[(1-oxo-2-propeneamino)-propaneamine chloride]. The technical result of the invention is reduction of the washing duration in 2-2.66 times and the increased total operation time of the washing solution in 1.66-3.4 times.

EFFECT: the invention ensures reduction of the washing duration in about 2-3 times and the increased total operation life of the washing solution in about 2-3 times.

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