Patent ID: 6087307
Filing Date: 2000-07-11
Classification: C10M

Abstract:
A liquid lubricant composition comprising:a homogeneous blend of synthetic hydrocarbon fluid comprising polyalphaolefins(s) having a viscosity of 3-1000 cSt at 100 C. or severely hydroprocessed basestock and polyalkylene oxide polymer or copolymer having recurring oxyalkylene units of at least one long chain monoepoxy alkane monomer containing 8 to 30 carbon atoms, said polymer or copolymer having a viscosity of 5-200 cSt at 100 C. with said monomer(s) taken in combination with one or more short chain comonomer(s) selected from the group consisting of C.sub.1 -C.sub.4 alkyl substituted or unsubstituted tetrahydropyran, tetrahydrofuran, oxetane, butylene oxide, propylene oxide and ethylene oxide, wherein the mole ratio of long chain monoepoxy alkane monomers to short chain comonomers is between 0.5 and 9.