Process and composition for breaking emulsions

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

1973-12-10

1976-11-23

Ziegler, J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 328N, 260 775CH, 260 775Q, C08F 1824, C08G 1812, C08J 300

Patent

active

039936155

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: 3325421 (1967-06-01), Muller
patent: 3462470 (1969-08-01), Emery et al.
patent: 3523925 (1970-08-01), Kumal et al.
patent: 3682867 (1972-08-01), Schackelford et al.
patent: 3702777 (1972-11-01), Watson et al.

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