LUBRICANT ADDITIVES FOR IMPROVING THE TRIBOLOGICAL PROPERTIES, NOVEL LUBRICANTS, PROCESS FOR THE PREPARATION THEREOF AND THE USE THEREOF
First Claim
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1. Lubricants containing ceramic nanoparticles as additives, these being selected from the group consisting of Al2O3, AlN, SiO2, TiO2, ZrO2, Y2O3, WO3, Ta2O5, V2O5, Nb2O5, CeO2, boron carbide, aluminium titanate, BN, MoSi2, SiC, Si3N4, TiC, TiN, ZrB2, clay minerals and/or mixtures thereof and thermally stable carbonates and/or sulphates, the nanoparticles representing an ellipsoid having three semiaxes a, b and c, for which a≠
- b≠
c or a=b=c, and the ratios of the semiaxes being a;
b=1-100, a;
c=1-1000, b;
c=1;
100.
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Abstract
The present invention relates to novel lubricant additives for improving the tribological properties, novel lubricants containing these additives, processes for the preparation thereof and the use thereof.
23 Citations
10 Claims
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1. Lubricants containing ceramic nanoparticles as additives, these being selected from the group consisting of Al2O3, AlN, SiO2, TiO2, ZrO2, Y2O3, WO3, Ta2O5, V2O5, Nb2O5, CeO2, boron carbide, aluminium titanate, BN, MoSi2, SiC, Si3N4, TiC, TiN, ZrB2, clay minerals and/or mixtures thereof and thermally stable carbonates and/or sulphates, the nanoparticles representing an ellipsoid having three semiaxes a, b and c, for which a≠
- b≠
c or a=b=c, and the ratios of the semiaxes being a;
b=1-100, a;
c=1-1000, b;
c=1;
100. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- b≠
Specification