Use of hyperbranched polyesters and/or polyesteramides for...

Details Use of hyperbranched polyesters and/or polyesteramides for... Use of hyperbranched polyesters and/or polyesteramides for...

C - Chemistry, Metallurgy

08

G

C08G 63/02 (2006.01) C08G 83/00 (2006.01) C10G 33/04 (2006.01)

Patent

CA 2699713

The invention relates to the use of non-dendrimer, hyperbranched polyesters and/or polyester amides, comprising alkyl- and/or alkenyl-substituted succinic acid moieties, as demulsifiers for separating oil-in-water emulsions, especially crude oil emulsions. The invention also relates to non-dendrimer, hyperbranched polyesters or polyester amides, comprising alkyl- and/or alkenyl-substituted succinic acid moieties.

L'invention concerne l'utilisation de polyesters et/ou de polyesters amides hyperramifiés non dendrimères, comprenant des motifs succiniques substitués par alkyle et/ou alcényle, comme désémulsionneurs pour séparer des émulsions huile dans l'eau, en particulier des émulsions de pétrole brut, ainsi que des polyesters ou des polyesters amides hyperramifiés non dendrimères comprenant des motifs succiniques substitués par alkyle et/ou alcényle.

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