Corrosion inhibition in highly acidic environments by use of pyr

Details Corrosion inhibition in highly acidic environments by use of pyr Corrosion inhibition in highly acidic environments by use of pyr

1991-05-29

1994-08-09

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

252 8555, 422 16, 546348, 106 1443, 106 1416, 106 1415, C23F 1114

Patent

active

053364414

ABSTRACT:
A method for inhibiting corrosion of ferrous surfaces in an acidic, aqueous medium is disclosed. The method comprises incorporating into the medium a corrosion-inhibiting amount of a pyridine salt composition (comprising a quaternary pyridine salt composition and/or a pyridine.HCL salt composition) and a cationic surfactant that forms a bilayer on the ferrous surfaces in the medium. Highly quaternized pyridine salt compositions useful in such method and a method for preparation of such compositions are also disclosed.

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Jerry March, Advanced Organic Chemistry: Reactions Mechanisms, and Structure, 3rd edition (John Wiley and Sons, Inc.) p. 364.
European Search Report.

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