Novel lubricant epoxides

A lubricant composition comprising a mixture of 2-dialkyl oxirane and 1,2-dialkyl oxirane having between an average of 30 and 1000 carbon atoms, a branch ratio of less than 0.19, pour point of less than -15.degree. C. and VI above about 130.

A lubricant composition containing the recurring polymeric structures ##STR4## where m is 3 to 12 and where the combination of n recurring units is 3 to 500.

A method for decreasing wear and reducing friction in an internal combustion engine by lubricating said engine with a friction reducing amount of a product of reaction made by epoxidizing C.sub.30 + polyalpha-olefin oligomeric hydrocarbon lubricant having a branch ratio of less than 0.19 and pour point below -15.degree. C. in the presence of an epoxidizing amount of an epoxidizing agent.

A method for scavenging water and decreasing corrosion in an internal combustion engine by lubricating said engine with a lubricant containing a water reactive amount of a product of reaction made by epoxidizing C.sub.30 + polyalpha-olefin oligomeric hydrocarbon lubricant having a branch ratio of less than 0.19 and pour point below -15.degree. C. in the presence of an epoxidizing amount of an epoxidizing agent.

A lubricant mixture having enhanced viscosity index comprising,

• a lubricant composition comprising a mixture of 2-dialkyl oxirane having between an average of 0.1 to 10 weight percent 30 and 1000 carbon atoms, a branch ratio of less than 0.19, pour point of less than -15.degree. C. and VI above about 130 and;
• liquid lubricant taken from the group consisting essentially of mineral oil, hydrogenated polyolefins, vinyl polymers, polyflurocarbons, polyethers, polychlorofluorocarbons, polyesters, polycarbonates, polyurethanes, polyacetals, polyamides, polythiols, their copolymers, terepolymers and mixtures thereof.