A method for preventing or retarding the formation of gas...

C - Chemistry – Metallurgy – 08 – L

Patent

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C08L 39/04 (2006.01) C08F 26/08 (2006.01) C08K 5/053 (2006.01) C08L 39/06 (2006.01)

Patent

CA 2377764

A composition for preventing or retarding the formation of gas hydrates during the transport of a fluid comprising water and a hydrocarbon through a conduit. The composition is a homopolymer of vinyl caprolactam, or copolymers thereof, having a low molecular weight in the range of 500 to 2500, which is made in a polymerization solvent, preferably a glycol ether, most preferably 2-butoxyethanol and also including a carrier solvent, preferably monoethylene glycol.

L'invention se rapporte à une composition conçue pour empêcher ou pour retarder la formation d'hydrates de gaz au cours du transport dans une conduite d'un fluide comportant de l'eau et un hydrocarbure. Ladite composition est un homopolymère de caprolactame de vinyle, ou de copolymères de cet homopolymère, doté d'un faible poids moléculaire compris entre 500 et 2500, qui est fabriqué dans un solvant de polymérisation, de préférence un éther de glycol et idéalement du 2-butoxyéthanol, et qui contient également un solvant transporteur, de préférence du monoéthylène glycol.

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