Dialkylaminomethyl aromatic triazoles as corrosion inhibitors

Details Dialkylaminomethyl aromatic triazoles as corrosion inhibitors Dialkylaminomethyl aromatic triazoles as corrosion inhibitors

1982-11-04

1985-06-11

Miller, Edward A.

Chemical apparatus and process disinfecting, deodorizing, preser

Process disinfecting, preserving, deodorizing, or sterilizing

Maintaining environment nondestructive to metal

252390, 252392, C23F 1104

Patent

active

045227853

ABSTRACT:
This invention involves a process for minimizing corrosion of metals in contact with aqueous acid solutions wherein said process comprises adding to the aqueous acid solution a corrosion inhibiting amount of a dialkylaminomethyl aromatic triazole having the structure: ##STR1## wherein R.sub.1 is from 1 to 4 substituents and is hydrogen, aliphatic of 1 to about 12 carbons, alkoxy of 2 to about 10 carbons, aroxy of 2 to about 10 carbons, or --COOR.sub.4 wherein R.sub.4 is aliphatic of 1 to about 12 carbons; and R.sub.2 and R.sub.3 are the same or different and are alkyl of 1 to about 4 carbons.

REFERENCES:
patent: 3791803 (1974-02-01), Andress et al.
patent: 3985503 (1976-10-01), O'Neal, Jr.
patent: 4086242 (1978-04-01), Diehl et al.
patent: 4177155 (1979-12-01), Popplewell et al.
patent: 4212754 (1980-07-01), Chibnik
Burckhalter, et al., "Proof of Structures Derived from the Hydroxy- and Amino-Methylation of Benzotriazole", J. Amer. Chem. Soc., vol. 74, pp. 3868-3870, (1952).

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