Use Of Polyesters As Lubricants
AssigneeBASF SE
InventorsMarkus Scherer, Boris Breitscheidel
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Abstract
The presently claimed invention is directed to the novel use of polyester obtainable by reacting a mixture comprising cyclohexane-1,2-dicarboxylic acid and an alcohol mixture comprising 1-nonanol, monomethyloctanols, dimethylheptanols and monoethylheptanols and subsequent hydrogenation of said total mixture as lubricants and a lubricant composition comprising these polyesters.
Claims15
Use of a polyester obtainable by reacting a total mixture comprising phthalic acid, optionally in form of its esters or its anhydrides, and an alcohol mixture comprising 1-nonanol, monomethyloctanols, dimethylheptanols and monoethylheptanols and subsequent hydrogenation of said total mixture, whereby the polyester has a dynamic viscosity at 20° C. in the range of 40 to 64 mPa·s determined according to DIN 51562-1, as lubricant.
A lubricant composition comprising
- A) at least one lubricating base oil,
- B) at least one polyester obtainable by reacting a total mixture comprising phthalic acid, optionally in form of its esters or its anhydrides, and an alcohol mixture comprising 1-nonanol, monomethyloctanols, dimethylheptanols and monoethylheptanols and subsequent hydrogenation of said total mixture, whereby the polyester has a dynamic viscosity at 20° C. in the range of 40 to 62 mPa·s determined according to DIN 51562-1 and
- C) lubricating oil additives.
Dependencies are inferred from the claim text.