High VI lubricant blends from slack wax

Details High VI lubricant blends from slack wax High VI lubricant blends from slack wax

1992-04-28

1993-05-04

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

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

Component of indefinite molecular weight greater than 150

585 1, 585 10, 585 16, 585302, 585304, 585520, 585530, 585532, 585661, 585671, C10L 116, C07C 202

Patent

active

052084035

ABSTRACT:
Lubricant compositions comprise blends or mixtures of low viscosity, 3-8 cS e.g. about 5 cS(100.degree. C.), HVI lube basestock with higher viscosity, 15 cS+e.g. 30+ cS(100.degree. C.) HVI PAO lube basestock produced from slack wax by thermal cracking to alpha olefins followed by Lewis acid catalyzed oligomerization of the alpha olefin mixture to lube base stock. Blending these components in appropriate proportions produces lube basestock having viscosities in the range of 8-15 cS (100.degree. C.) from which material suitable for the formulation of 10W-30 automobile engine lube can be produced. The blends are notable for exhibiting high VI values greater than that of either component of the blend.

REFERENCES:
patent: 2642466 (1953-06-01), Garner et al.
patent: 3103485 (1963-09-01), Cahn
patent: 3705926 (1972-12-01), Rumpf et al.
patent: 4042488 (1977-08-01), Perciful
patent: 4327237 (1982-04-01), Imparato et al.
patent: 4420646 (1983-12-01), Darden et al.
patent: 4827064 (1989-05-01), Wu
patent: 4827073 (1989-05-01), Wu

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