Hydroxy polyesters and uses as demulsifiers

Details Hydroxy polyesters and uses as demulsifiers Hydroxy polyesters and uses as demulsifiers

B - Operations, Transporting

01

D

B01D 17/05 (2006.01) C08L 67/00 (2006.01) C10G 29/00 (2006.01) C09K 8/588 (2006.01)

Patent

CA 2676710

Hydroxyl polyester compounds or compositions which arc useful as oilfield deinulsifiers are prepared through eslerifying carboxylic compounds and epoxide compounds under controlled molar ratios. The hydroxyl polyesters are useful as biodegradable demulsifiers on oil productions.

L'invention concerne des composés de polyester hydroxy ou des compositions qui sont utiles en tant que désémulsifiants pétroliers, lesdits composés étant préparés en estérifiant des composés carboxyliques et des composés époxydes en des rapports molaires contrôlés. Les polyesters hydroxy sont utiles en tant que désémulsifiants biodégradables pour la production de pétrole.

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