Quaternary ammonium demulsifiers
Abstract
Abstract A METHOD OF DEMULSIFYING A DISPERSED OIL IN A NON-OILY CONTINUOUS PHASE WHICH COMPRISES TREATING THE EMULSION WITH AN EFFECTIVE AMOUNT OF AT LEAST 10 P.P.M. (PREFERRED 100-1000 P.P.M.) OF A WATER SOLUBLE CATIONIC COPOLYMER HAVING A M.W. OF AT LEAST 2,000 AND OBTAINED BY COPOLYMERIZATION OF ACRYLAMIDE AND A BIS-ETHYLENICALLY UNSATURATED COMPOUND REPRESENTED BY CH2=C(-R1)-CH2-N(+)(-R3)(-R4)-CH2-C(-R2)=CH2 X(-) R1 AND R2 EACH REPRESENT A MEMBER OF A GROUP CONSISTING OF HYDROGEN AND METHYL. R3 AND R4 EACH REPRESENT A MEMBER OF A GROUP CONSISTING OF LOWERALKYL, HYDROXY LOWERALKYL, AND -(ALKO)NH WHERE N=2-5 AND ALK=A MEMBER OF A GROUP SELECTED FROM ETHYLENE, PROPYLENE, AND BUTYLENE. X-REPRESENTS A WATER SOLUBLE ANION.
Inventors
- 👤 John J Sackis
Bibliographic Details
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