Process and composition for inhibiting high-temperature iron and

Details Process and composition for inhibiting high-temperature iron and Process and composition for inhibiting high-temperature iron and

1989-08-08

1992-03-17

Stoll, Robert L.

Compositions

Preservative agents

Anti-corrosion

252 8553, 252146, 252392, C09K 300, C11D 700

Patent

active

050966189

ABSTRACT:
A composition and method for inhibiting corrosion of iron and steel in the presence of aqueous acid at high temperatures, containing an alkenylphenone having the following structure: ##STR1## wherein R.sub.1 may be aryl of 6 to about 10 carbons, and R.sub.2 and R.sub.3 may be the same or different and each may be hydrogen, halogen, or aliphatic of about 3 to about 12 carbons, and R.sub.2 may also be alkanol, ether, or aryl of 6 to about 10 carbons, provided that the total number of carbons in said alkenylphenone does not exceed 16, and

REFERENCES:
patent: 3077453 (1963-02-01), Oakes
patent: 3107221 (1963-10-01), Harrison et al.
patent: 3404094 (1968-10-01), Keeney
patent: 4444668 (1984-04-01), Walker
patent: 4552658 (1985-06-01), Walker
patent: 4552672 (1985-11-01), Walker
Schmitt et al., Werkstoffe und Korrosion, vol. 36, pp. 273-278 (1985).
Chemical Communications, pp. 473-474 (1981).

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