Synthesis of poly-alpha olefin and use thereof

Details Synthesis of poly-alpha olefin and use thereof Synthesis of poly-alpha olefin and use thereof

C - Chemistry, Metallurgy

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C10M 143/08 (2006.01) C07C 2/34 (2006.01) C07C 9/22 (2006.01) C07C 11/02 (2006.01) C08F 10/00 (2006.01) C08F 110/04 (2006.01) C08F 110/14 (2006.01) C10M 107/10 (2006.01) C08F 4/659 (2006.01)

Patent

CA 2462169

One or more oligomers of an olefin are prepared in the presence of a single- site catalyst. Preferably, the olefin is an .alpha.-olefin, and the oligomers are a poly-alpha-olefin (PAO). The PAO so prepared is completely or substantially free of tertiary hydrogen resulting from isomerization. Consequently, the P AO possesses improved biodegradability, improved oxidation resistance, and/or a relatively higher viscosity index. The PAO has many useful applications, such as a component of a lubricant-

On prépare un ou plusieurs oligomères d'une oléfine en présence d'un catalyseur autonome. Cette oléfine consiste, de préférence, en une .alpha.-oléfine et ces oligomères en une poly-alpha-oléfine (PAO). Cette dernière est complètement ou pratiquement exempte d'hydrogène tertiaire provenant de l'isomérisation. De ce fait, PAO possède une biodégradabilité améliorée, une résistance à l'oxydation améliorée et/ou un indice de viscosité relativement supérieur. Elle peut être utilisée dans plusieurs domaines, en particulier, sous forme de constituant de lubrifiant.

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