| 摘要 |
A composition and method for inhibiting corrosion in industrial cooling waters which contain hardness and have a pH of at least 8, which composition comprises a water-soluble organic phosphonate capable of inhibiting corrosion in an aqueous alkaline environment and a hydrocarbon polymer containing an N-substituted acrylamide polymer unit having an amide structure as follows: where R2 is hydrogen or methyl, R1 is a hydrogen or an alkyl group, R is alkylene or phenylene, and X is sulfonate, or (poly) hydroxyl, and combinations thereof. |
