Polyamide corrosion inhibitor

Details Polyamide corrosion inhibitor Polyamide corrosion inhibitor

1975-06-24

1976-06-08

Sebastian, Leland A.

Compositions

Preservative agents

Anti-corrosion

21 25R, 21 27R, 208 47, 252 855E, 252148, C23F 1114

Patent

active

039621227

ABSTRACT:
Oil dispersible ferrous metal corrosion inhibitors are prepared by first forming a primary amine-terminated amide adduct by reacting a mixture of monomeric, dimeric and trimeric 1,6-hexanediamine with polyfunctional acids at a ratio of reactants such that the adduct is substantially completely terminated with primary amine groups and neutralizing the primary amine-terminated amide adduct with a carboxylic acid. Alternatively, water dispersible adducts may be prepared by reacting the primary amine-terminated amide adduct with an oxirane compound to produce a polyether derivative of the amine-terminated adduct.

REFERENCES:
patent: 2640029 (1953-05-01), Blair et al.
patent: 2736658 (1956-02-01), Pfohl et al.
patent: 2901430 (1959-08-01), Chiddix
patent: 2944968 (1960-07-01), Hutchison
patent: 2976179 (1961-03-01), Westlund
patent: 3134759 (1964-05-01), Kirkpatrick
patent: 3231493 (1966-01-01), Edwards et al.
patent: 3458453 (1969-07-01), Kautsky

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