Lubricating grease
A technology of lubricating grease and lauryl hydroxystearin, which is applied in the field of lubricating oil, can solve the problems that the performance of lubricating grease needs to be improved, and achieve excellent thermal performance, dimensional stability, good fluidity, anti-rust function of high-temperature oxidation surface Effect
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[0069] Example one:
[0070] A. Combine 4 parts of dodecanoic acid, 5 parts of calcium petroleum sulfonate, 2 parts of rosin, 8 parts of vegetable oil, (NH 4 ) x MoS 2 7 parts, 3 parts of the first solid additive and 1.5 parts of the second solid additive were added to 88 parts of base oil, ultrasonically dispersed, and then 0.05 parts of lithium hydroxide, 2.4 parts of potassium hydroxide and 20 parts of dicarboxylic acid were added and heated to 60 React at ℃ for 10 min to obtain the first reaction liquid;
[0071] Among them, the base oil is a mixture of paraffin-based, naphthenic and poly-α-olefins in a weight ratio of 1:3:4; the base oil has a viscosity of 100 cSt at 60°C, an opening flash point of 230°C, and a pour point of -40 ℃;
[0072] The total base value of calcium petroleum sulfonate is 300;
[0073] The specific surface area of PTFE is 2m 2 / g;
[0074] The particle size range of the first solid additive is 0.8-5 microns; among them, 0.8-1 micron particles account fo...
Example Embodiment
[0077] Embodiment two:
[0078] In order, combine 7 parts of dodecanoic acid, 10 parts of calcium petroleum sulfonate, 2-6 parts of rosin, 15 parts of vegetable oil, (NH 4 ) x MoS 2 13 parts, 7 parts of the first solid additive, and 6 parts of the second solid additive are added to 88-95 parts of base oil, ultrasonically dispersed, then 1.25 parts of lithium hydroxide, 0.8 part of potassium hydroxide and 10 parts of dicarboxylic acid are added, and heated React at 80°C for 15 minutes to obtain the first reaction liquid;
[0079] Among them, the base oil is a mixture of paraffin-based, cycloalkyl and poly-α-olefins in a weight ratio of 1:5:2; the viscosity of the base oil at 60°C is 100-300cSt, the opening flash point is 250°C, and the pour point is at -10°C;
[0080] The total base value of calcium petroleum sulfonate is 350;
[0081] The specific surface area of PTFE is 6m 2 / g;
[0082] The particle size range of the first solid additive is 0.8-5 microns; among them, 0.8-1 micro...
Example Embodiment
[0085] Embodiment three:
[0086] In order, combine 5 parts of dodecanoic acid, 7 parts of calcium petroleum sulfonate, 4 parts of rosin, 12 parts of vegetable oil, (NH 4 ) x MoS 2 9 parts, 5 parts of the first solid additive and 4 parts of the second solid additive were added to 92 parts of base oil, ultrasonically dispersed, then 0.95 parts of lithium hydroxide, 1.4 parts of potassium hydroxide and 15 parts of dicarboxylic acid were added and heated to 70 React at ℃ for 12 min to obtain the first reaction liquid;
[0087] Among them, the base oil is a mixture of paraffin-based, naphthenic and poly-α-olefins in a weight ratio of 1:4:3; the base oil has a viscosity of 200 cSt at 60°C, an opening flash point of 240°C, and a pour point of -20 ℃;
[0088] The total base value of calcium petroleum sulfonate is 330;
[0089] The specific surface area of PTFE is 4m 2 / g;
[0090] The particle size range of the first solid additive is 0.8-5 microns; among them, 0.8-1 microns particles ac...
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