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AssigneeExxonMobil Chemical Patents Inc.
InventorsMargaret May-Som Wu, Lisa Saunders Baugh, Jo Ann Marie Canich, Chia Shian Chee, Mark Paul Hagemeister, Andrew Jackson, Peijun Jiang, Gordon H. Lee, Frederick Yip-Kwai Lo, Steven P. Rucker, Shakeel Tirmizi, John F. Walzer, Jr., Norman Yang
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This invention relates to a polyalpha-olefin (and hydrogenated analogs thereof) comprising more than 50 mole % of one or more C5 to C24 alpha-olefin monomers where the polyalpha-olefin has: a) 40 mole % or more of mm triads, b) a Bromine number of Y or greater, where Y is equal to 89.92*(V)′°5863, where V is the Kinematic Viscosity of the polyalpha-olefin measured at 100° C. in cSt, and c) 1,2 disubstituted olefins present at 7 mole % or more, preferably having Z mole % or more of units represented by the formula: where j, k and m are each, independently, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, or 22, n is an integer from 1 to 350, and where Z=8.420*Log(V)−4.048, where V is the kinematic viscosity of the polyalpha-olefin measured at 1000 C in cSt This invention also relates to process to produce such polyalpha-olefins.
A polyalpha-olefin comprising more than 50 mole % of one or more C5 to C24 oligomer units where the polyalpha-olefin has:
A polyalpha-olefin comprising more than 50 mole % of one or more C5 to C24 oligomer units where the polyalpha-olefin if Z is less than 7, then the range is Z or more, and if Z is more than 7, the range is 7 or more of units represented by the formula:
A polyalpha-olefin comprising more than 50 mole % of one or more C5 to C24 oligomer units where the polyalpha-olefin has 40 mole % or more of mm triads and less than 300 ppm of a Group 4 metal.
A polyalpha-olefin comprising more than 50 mole % of one or more C5 to C24 oligomer units where the polyalpha-olefin has 40 mole % or more of mm triads and less than 100 ppm of a Group 13 metal.
A polyalpha-olefin comprising more than 50 mole % of one or more C5 to C24 oligomer units where the polyalpha-olefin has 40 mole % or more of mm triads and less than 600 ppm of aluminum.
A polyalpha-olefin comprising more than 50 mole % C5 to C24 oligomer units and having an Mw of 100,000 or less and an Mw/Mn of greater than 1 and less than 2.5.
A polyalpha-olefin comprising at least 50 mole % oligomer units having 5 to 24 carbon atoms and from 0.5 to 20 mole % ethylene oligomer units, where at least 80% of the ethylene oligomer units are present in the polyalpha-olefin are present in runs of 1 to 35 carbons or less as measured by Carbon 13 NMR.
Dependencies are inferred from the claim text.