Low viscosity low volatility benzoate monoester lubricating oil base stocks and methods of use thereof

A composition comprising one or more compounds represented by the formula selected from the group consisting of

• wherein R2 is a H, F, methoxy, methyl or ethyl group;
• R3 is a H, F, methoxy or methyl group;
• R4 is a H, F methoxy or methyl group;
• R5 is H and R6 is H or a methyl group
• wherein said composition has a viscosity (KV100) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about −100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800;
• wherein said compound of formula (I) is produced by a process comprising reacting 2-butyloctanol with 4-butylbenzoic acid, optionally in the presence of a catalyst and a solvent, under reaction conditions sufficient to produce the compound of formula (I);
• or wherein said compound of formula (II) is produced by a process comprising reacting 2-ethylhexanol with 4-heptylbenzoic acid, optionally in the presence of a catalyst and a solvent, under reaction conditions sufficient to produce the compound of formula (II);
• or wherein said compound of formula (III) is produced by a process comprising reacting 2-butyloctanol with 4-nitrilebenzoic acid, optionally in the presence of a catalyst and a solvent, under reaction conditions sufficient to produce the compound of formula (III);
• or wherein said compound of formula (IV) is produced by a process comprising reacting 2-hexyldecan-1-ol with 4-methylbenzoic acid, optionally in the presence of a catalyst and a solvent, under reaction conditions sufficient to produce the compound of formula (IV).

A lubricating oil base stock comprising one or more compounds represented by the formula selected from the group consisting of

• wherein R2 is a H, F, methoxy, methyl or ethyl group;
• R3 is a H, F, methoxy or methyl group;
• R4 is a H, F methoxy or methyl group;
• R5 is H and R6 is H or a methyl group
• wherein said lubricating oil base stock has a viscosity (KV100) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about −100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800.

A lubricating oil comprising a lubricating oil base stock component, and a monoester cobase stock component;

• wherein said monoester cobase stock comprises one or more compounds represented by the formula selected from the group consisting of
• wherein R2 is a H, F, methoxy, methyl or ethyl group;
• R3 is a H, F, methoxy or methyl group;
• R4 is a H, F methoxy or methyl group;
• R5 is H and R6 is H or a methyl group
• wherein said lubricating oil has a viscosity (KV100) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about −100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800.

A method for improving one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control in a lubricating oil comprising:

• providing a lubricating oil including a lubricating oil base stock component, and a monoester cobase stock component;
• wherein said monoester cobase stock comprises one or more compounds represented by the formula selected from the group consisting of
• wherein R2 is a H, F, methoxy, methyl or ethyl group;
• R3 is a H, F, methoxy or methyl group;
• R4 is a H, F methoxy or methyl group;
• R5 is H and R6 is H or a methyl group
• wherein said lubricating oil has a viscosity (KV100) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about −100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800, and
• using the lubricating oil in a formulated oil to improve one or more of thermal and oxidative stability, solubility and dispersancy of polar additives, deposit control and traction control.

A composition comprising one or more compounds represented by the formula:

• wherein X is a C1-C7 alkyl group, a C1-C7 alkoxy group, a C1-C7 haloalkyl group, a C1-C7 haloalkoxy group, a halogen, a cyano group or a nitro group;
• n is from 1 to 5;
• P is from 1 to 12;
• Q is from 0 to 12;
• and P+Q is greater than 4, and
• wherein the composition has a viscosity (KV100) from about 1 cSt to about 10 cSt at 100° C. as determined by ASTM D445, a viscosity index (VI) from about −100 to about 300 as determined by ASTM D2270, and a Noack volatility of no greater than 50 percent as determined by ASTM D5800.