Lubricant blends having high viscosity indices

Details Lubricant blends having high viscosity indices Lubricant blends having high viscosity indices

C - Chemistry, Metallurgy

10

M

253/126, 253/127

C10M 111/04 (2006.01) C10M 143/08 (2006.01) C10M 169/04 (2006.01)

Patent

CA 1331600

LUBRICANT BLENDS HAVING HIGH VISCOSITY INDICES ABSTRACT Novel lubricant mixtures are disclosed having unexpectedly high viscosity indices. The mixtures are blends of high viscosity index polyalphaolefins prepared with activated chromium on silica catalyst and polyalphaolefins prepared with BF3, alumium chloride, or Ziegler-type catalyst. Superior blends are also prepared from HVI-PAO with mineral oil and/or other synthetic liquid lubricants.

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