Polyglycolamine corrosion inhibitors

Details Polyglycolamine corrosion inhibitors Polyglycolamine corrosion inhibitors

1977-03-14

1979-10-16

Lesmes, George F.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

252391, 252392, 252180, 260584B, 422 12, C11D 732

Patent

active

041712790

ABSTRACT:
Polyglycolamines such as aminated polypropylene or polybutylene glycols and amine-initiated polypropylene and polybutylene glycols such as oxypropylated or oxybutylated lower alkanolamines inhibit the corrosion of ferrous metals by a nonoxidizing acid such as hydrochloric acid. Polyglycolamines of this class having an average molecular weight in the appropriate range of 300-5000 are effective inhibitors in 5-15 percent hydrochloric acid at moderately elevated temperatures.

REFERENCES:
patent: 3123641 (1964-03-01), Longley
patent: 3152187 (1964-10-01), Coyne et al.
patent: 3161682 (1964-12-01), Lesesne et al.
patent: 3200106 (1965-08-01), Dickson
patent: 3203904 (1965-08-01), Brown
patent: 3607781 (1971-01-01), Kanek et al.

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