Synergistic compositions for corrosion and scale control

Details Synergistic compositions for corrosion and scale control Synergistic compositions for corrosion and scale control

C - Chemistry, Metallurgy

09

K

134/39

C09K 15/02 (2006.01) C02F 5/14 (2006.01) C07F 9/38 (2006.01) C23F 11/08 (2006.01)

Patent

CA 1089315

SYNERGISTIC COMPOSITIONS FOR CORROSION AND SCALE CONTROL Abstract of the Disclosure Dimethylaminomethylenebis(phosphonic acid) is prepared by reacting dimethylformamide with phosphorous trichloride and treating the reaction mixture with alcohols or glycols and water. The phosphonic acid is combined with water soluble carboxylic acid polymers for use as a corrosion and scale inhibitor in aqueous systems. These compositions may also be combined with phosphorous acid and water soluble zinc salts.

296315

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