Lubricant additive for use with alcohol fuels

Details Lubricant additive for use with alcohol fuels Lubricant additive for use with alcohol fuels

C - Chemistry, Metallurgy

10

M

44/15

C10M 157/04 (2006.01) C10M 161/00 (2006.01)

Patent

CA 1202613

ABSTRACT A lubricant additive for use with alcohol fuels is provided comprising a major amount of a polyalkylene glycol of an alkene having 2 to 3 carbons, and minor amounts of an aromatic primary amine, an aromatic secondary amine and a phosphoric acid ester. A pre- ferred composition comprises about 93-98.5 wt % of a polypropylene glycol, about 0.5-2.0 wt % of an aromatic primary amine, about 0.5-2.0 wt % of an aromatic secon- dary amine, and about 0.5-2.0 wt % of a phosphoric acid ester. A preferred polypropylene glycol is polypropy- lene glycol 2000; a preferred aromatic primary amine is ortho-phenylenediamine; a preferred aromatic secondary amine is N phenyl-2-naphthylamine; and a preferred phosphoric acid ester is ortho-tricrecylphosphate.

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