| 摘要 |
3-14869/+/MA 1864 Compositions containing heterocyclic corrosion inhibitors New anticorrosive compositions comprise: A) an applicational medium selected from a) surface coatings and b) wholly or partly aqueous non-coating media, B) as corrosion inhibitor, an amide, imide or nitrile of an aliphatic- or cycloaliphatic mono-, di-, tri- or tetra-carboxylic acid which is substituted in the aliphatic- or cycloaliphatic residue by on or more groups having the formula: I in which X is oxygen, sulphur or NH; and each R, independently, is hydrogen, alkyl, haloalkyl, alkoxy, alkylthio, alkylsulphonyl, cycloalkyl, phenyl, alkylphenyl, phenylalkyl, halogen, cyano, nitro, hydroxy, -COOH, -COOalkyl or a primary-, secondary- or tertiary amino- or carbamoyl group; or a non-toxic base addition salts of those components B) which contain free carboxyl groups. |
