Alkoxylated (meth)acrylate polymers and the use thereof as...

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 20/28 (2006.01) B01D 19/04 (2006.01) C08F 120/28 (2006.01) C08F 220/28 (2006.01) C10G 33/04 (2006.01)

Patent

CA 2760211

The invention relates to polymers which contain structural units of monomers (A) according to formula (I), wherein A represents a C2 to C4 alkylene group, R1 represents hydrogen or methyl, and k is a number of 1 to 1000, and to the use thereof for demulsifying oil/water emulsions in amounts of 0.0001 to 5% by weight, based on the oil content of the emulsion to be demulsified.

L'invention concerne des polymères contenant des unités structurelles de monomères (A) représentés par la formule (I) dans laquelle A est un groupe C2- à C4-alcényle, R1 est de l'hydrogène ou du méthyle, et k est un nombre de 1 à 1000. L'invention concerne également l'utilisation de ces polymères pour la désémulsion d'émulsions huile/eau dans des quantités de 0,0001 à 5 % en poids par rapport à la teneur en huile de l'émulsion à désémulsifier.

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