Manufacture of synthetic lubricant additives from internal olefi

Details Manufacture of synthetic lubricant additives from internal olefi Manufacture of synthetic lubricant additives from internal olefi

1982-04-28

1984-02-28

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Product blend, e.g., composition, etc., or blending process...

Component of indefinite molecular weight greater than 150

585 18, 585254, 585255, 585525, C07C 116, C07C 500

Patent

active

044343086

ABSTRACT:
An improved process for the manufacture of synthetic lubricant additives from internal olefins is described. The process utilizes boron trifluoride catalysis with a promoter to produce 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 method of this invention.

REFERENCES:
patent: 3152998 (1964-10-01), Moss
patent: 4045508 (1977-08-01), Cupples et al.
patent: 4218330 (1980-08-01), Shubkin
patent: 4300006 (1981-11-01), Nelson

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