Cosulfurized olefin and lard oil

Details Cosulfurized olefin and lard oil Cosulfurized olefin and lard oil

C - Chemistry, Metallurgy

10

M

253/108, 253/86

C10M 135/02 (2006.01) C07G 99/00 (2009.01)

Patent

CA 1041077

ABSTRACT OF THE DISCLOSURE A lubricity additive soluble in paraffinic lubes is prepared by cosulfurizing a blend of 90 to 50 and preferably 88 to 70 parts by volume of lard oil having a free acid content of less than 0.5 wt. % and preferably less than 0.2 wt. % and a pour point of 35-40°F and an olefin containing 2 to 24 carbon atoms at from 365 to 445°F for 20 minutes to 10 hours followed by blowing with a gas to remove hydrogen sulfide.

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