Chemistry of hydrocarbon compounds – Adding hydrogen to unsaturated bond of hydrocarbon – i.e.,... – With preliminary diverse conversion
Patent
1982-04-26
1983-11-01
David, Curtis R.
Chemistry of hydrocarbon compounds
Adding hydrogen to unsaturated bond of hydrocarbon, i.e.,...
With preliminary diverse conversion
585 10, 585255, 585525, 585 18, C07C 500
Patent
active
044131569
ABSTRACT:
An improved process for the manufacture of synthetic lubricant additives from olefins having two or three carbon atoms is described. The low molecular weight olefins are converted to internal olefins having 9 to 24 carbon atoms via isomerization and disproportionation. The process utilizes boron trifluoride catalysis with a promoter to produce from the C.sub.9 -C.sub.24 internal olefins oligomer mixtures that have surprisingly low viscosities at low temperatures and surprisingly high viscosity indexes as compared with the oligomers found in other methods. It is important that internal olefins be used almost exclusively in the second step of the method of this invention.
REFERENCES:
patent: 3152998 (1964-10-01), Moss
patent: 3726938 (1973-04-01), Berger
patent: 4045508 (1977-08-01), Cupples et al.
patent: 4167534 (1979-09-01), Petrillo et al.
patent: 4218330 (1980-08-01), Shubkin
Marquis Edward T.
Watts, Jr. Lewis W.
David Curtis R.
Mossman David L.
Park Jack H.
Priem Kenneth R.
Texaco Inc.
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