摘要:
Alkali and/or salts of compounds of the formula: ##STR1## wherein R.sub.1 and R.sub.2 independently are H or C.sub.1-6 -alkyl and R.sub.3 is CH.dbd.CH, (CH.sub.2).sub.2 or (CH.sub.2).sub.3, are used as metal corrosion inhibitors in aqueous systems.
摘要:
Dicarboxylic acid mono-(2-hydroxydodecyl)-esters corresponding to the following general formula ##STR1## and salts thereof corresponding to the following general formula ##STR2## wherein A represents the radicals ##STR3## and M represents an alkali metal or ammonium, the use of these compounds as corrosion inhibitors in aqueous systems either by themselves or in combination with one or more complexing agents in concentrations of from 1 to 100 ppm, optionally in the presence of other scale inhibitors, dispersants, non-ferrous metal inhibitors, and/or microbicides.
摘要:
A corrosion inhibitor for aluminum in aqueous acidic compositions comprising 3-amino-5-alkyl-1,2,4-triazoles and aminotris(methylenephosphonic acid); and a method for its use.
摘要:
A method of inhibiting zinc corrosion in aqueous systems comprising adding an effective amount of a bis(aminotriazole) or a bis(mercaptotriazole), whose bridge may be substituted by a C.sub.0-10 -alkyl.