Corrosion inhibitors and compositions containing them

Details Corrosion inhibitors and compositions containing them Corrosion inhibitors and compositions containing them

1981-02-20

1983-05-03

Willis, Jr., P. E.

Compositions

Heat-exchange, low-freezing or pour point, or high boiling...

Organic components

252 77, 252 79, 252389R, 252394, 252396, 252 76, C09K 500

Patent

active

043820085

ABSTRACT:
Corrosion inhibitors for aqueous media comprise a triazole, an alkali metal borate, benzoate, and silicate and an alkali metal salt of a C.sub.7 to C.sub.13 dibasic acid. They may be used in antifreeze compositions for motor vehicles. Since neither nitrites and amines are required the danger of forming toxic nitrosamines by the reaction of these materials is overcome.

REFERENCES:
patent: 2426496 (1947-08-01), Farley
patent: 2803603 (1957-08-01), Meighen
patent: 3931029 (1976-01-01), Dutton et al.
patent: 4242214 (1980-12-01), Lambert

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