| abstract |
The invention relates to a mixture of alkyl / alkenyl phosphonates having the formula I for use in wear-reducing fluids such as base oils and to processes for producing this mixture. The inventive mixture of alkyl / alkenyl phosphonates is to be classified as an ash-free additive and is characterized by an excellent wear-reducing effect in both low-pressure and high-pressure applications, with high-pressure applications on the one hand itself having the properties of an EP additive and on the other hand as a solvent for other EP additives can serve. The primarily oil-based compositions containing the mixture of alkyl / alkenyl phosphonates according to the invention are suitable for use as lubricants, hydraulic fluids, motor oil, lubricating grease, cooling lubricants, grinding fluids, metal processing fluids and / or flame retardants. The mixture of alkyl / alkenyl phosphonates according to the invention does not require labeling under EU law. The mixture described is intended for use as an ash-free wear-reducing component (AW additive) in wear-reducing oils and liquids. with R 1 = stearyl or oleyl and R 2 = short-chain alkyl, stearyl or oleyl |