Core-shell flow improver

Details Core-shell flow improver Core-shell flow improver

C - Chemistry, Metallurgy

09

K

C09K 3/00 (2006.01) C08F 265/06 (2006.01) C10L 1/18 (2006.01) F17D 1/16 (2006.01)

Patent

CA 2714384

A flow improver comprising a plurality of core-shell particles that can be formed by emulsion polymerization. The core of the core-shell particles can include a drag reducing polymer, while the shell of the particles can include repeat units of a hydrophobic compound and an amphiphilic compound. The flow improver can demonstrate increased pumping stability over conventionally prepared latex flow improvers.

Linvention concerne un agent damélioration de lécoulement comprenant une pluralité de particules de type cur-écorce qui peuvent être formées par polymérisation en émulsion. Le cur des particules de type cur-écorce peut comprendre un polymère réduisant la traînée, alors que lécorce des particules peut comprendre des unités répétées dun composé hydrophobe et dun composé amphiphile. Lagent damélioration de lécoulement peut présenter une stabilité au pompage accrue par rapport à des agents damélioration de lécoulement en latex préparés de façon classique.

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