Polymer compositions for demulsifying crude oil

Details Polymer compositions for demulsifying crude oil Polymer compositions for demulsifying crude oil

1995-06-26

1997-09-16

Lovering, Richard D.

Compositions

Preservative agents

Anti-corrosion

528103, 528105, 528110, B01D 1704, C08G 5922, C08G 6522

Patent

active

056677278

ABSTRACT:
Polymer compositions made by reacting a polyol with an aromatic hydrocarbon containing only a single reactive functionality have been discovered to be useful demulsifiers for crude oil compositions. The aromatic hydrocarbon should have at least one aryl group and only one functionality reactive with a hydroxyl. The polyol may optionally be crosslinked prior to reaction with the aromatic hydrocarbon, and the crosslinking agent may be a diepoxide.

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patent: 3383326 (1968-05-01), Seale et al.
patent: 3579466 (1971-05-01), Quinlan
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patent: 3899387 (1975-08-01), Freis et al.
patent: 3960781 (1976-06-01), Freis et al.
patent: 4913833 (1990-04-01), Otten et al.
D.H. Reed, "Phenyl Isocyanate Method for Determination of Hydroxyl Equivalent Weight of Polyoxyalkylene Compounds", Reprint from Analytical Chemistry, vol. 35, No. 4, pp. 571-573, Apr. 1963.

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