Methods for forming amorphous ultra-high molecular weight...

C - Chemistry – Metallurgy – 08 – F

Patent

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C08F 10/00 (2006.01) C07C 5/27 (2006.01) C08F 2/00 (2006.01) C10L 1/16 (2006.01) F15D 1/06 (2006.01) F17D 1/16 (2006.01) F17D 1/17 (2006.01) C08F 110/14 (2006.01)

Patent

CA 2434795

The present invention is directed to improved drag reducing agents and methods of forming improved drag reducing agents comprising the steps of isomerizing olefin monomers to form isomerized olefin monomers, polymerizing the isomerized olefin monomers in the presence of at least one catalyst to form a polyolefin drag reducing agent having unexpectedly superior drag reduction properties when combined with liquid hydrocarbons, such as viscous crude oil. Therefore, the drag reducing agents of the present invention may be introduced into conduits, such as pipelines, to increase the flow of the hydrocarbons through the conduit.

La présente invention concerne des agents de résistance à l'avancement améliorés, et des procédés permettant de former ces agents de résistance à l'avancement. Ce procédé comprend les étapes consistant à isomériser les monomères pour former des monomères d'oléfine isomérisés, à polymériser ces monomères isomérisés en présence d'au moins un catalyseur pour former un agent de résistance à l'avancement de polyoléfine présentant des propriétés supérieures de résistance à l'avancement un fois combiné à des hydrocarbures liquides, comme du pétrole brut visqueux. Par conséquent, les agents de résistance à l'avancement selon la présente invention peuvent être introduits dans des conduites comme des pipelines pour augmenter l'écoulement des hydrocarbures dans la conduite.

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