Synthetic lubricant

Details Synthetic lubricant Synthetic lubricant

1979-09-10

1981-04-21

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

Polymer of indefinite molecular weight

585 12, 585255, 585312, 585329, 585510, 585517, C07C 900, C07C 274

Patent

active

042634652

ABSTRACT:
A low viscosity synthetic lubricant is prepared by polymerizing 1-butene to an oligomer containing a number average of about 8 to 18 carbon atoms and copolymerizing the oligomer with an alpha-monoolefin having 8 to 18 carbon atoms to produce a copolymer having an average of about 20 to 40 carbon atoms. Both polymerization reactions are catalyzed by a combination of boron trifluoride and a proton donor promoter. The synthetic lubricant is preferably stripped to remove lower boiling components, such as oligomers having 20 carbon atoms or less, and optionally hydrogenated for improved stability.

REFERENCES:
patent: 4172855 (1979-10-01), Shubkin et al.

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