Process and composition for breaking emulsions

Details Process and composition for breaking emulsions Process and composition for breaking emulsions

1976-03-11

1977-04-05

Padgett, Benjamin R.

Compositions

Preservative agents

Anti-corrosion

252358, 252308, B01D 1704

Patent

active

040161013

ABSTRACT:
A process for breaking an oil-in-water or a water-in-oil emulsion comprising treating the emulsion with a demulsifier prepared by; (a) forming a water soluble polyurea by reacting a polyisocyanate and a polyamine in a non-protonic liquid carbonyl solvent; and (b) forming the demulsifier by reacting the water soluble polymer with an alkylating agent.

REFERENCES:
patent: 3294752 (1966-12-01), Wilkinson
patent: 3462470 (1969-08-01), Emery et al.
patent: 3682867 (1972-08-01), Shackelford et al.
patent: 3702777 (1972-11-01), Watson et al.
patent: 3892696 (1975-07-01), Wood

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