Process for co-oligomerizing 1,3-di-isopropenyl benzene and alpha-olefins to prepare synthetic lubricant base stocks having improved properties
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United States of America Patent
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Jul 9, 1991
Grant Date -
N/A
app pub date -
May 21, 1990
filing date -
May 21, 1990
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process is disclosed for preparing synthetic lubricant base stocks having improved properties. Synthetic lubricant base stocks may be prepared in good yield by oligomerizing linear olefins using certain acidic calcium montmorillonite clay catalysts. When a mixture of 1,3-di-isopropenyl benzene and long-chain alpha-olefin is used, in which up to about 20 wt. % of the mixture comprises 1,3-di-isopropenyl benzene, and the co-oligomers prepared therefrom are hydrogenated, a synthetic lubricant base stock having a lower pour point and a higher viscosity is prepared.
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