High temperature resistant lubricant and preparation method thereof
A high-temperature-resistant lubricant and antioxidant technology, applied in the field of lubricants, can solve the problems of equipment downtime, affecting the surface quality of friction pairs, and unable to maintain lubrication for a long time, and achieve good lubricity, extreme pressure and anti-wear. properties, extended storage and service life, good degradability
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Embodiment 1
[0030] Weigh 800g of chitosan dimer ester amine compound, 200g of organic molybdenum, and 5g of tea polyphenols and place them in a homogenization device for homogenization for 2 hours to obtain a high-temperature-resistant lubricant.
[0031] The preparation method of the above-mentioned chitosan dimer ester amine compound: weigh 1000g of chitosan, 3000g of dimer acid, and 40g of phosphoric acid with a concentration of 50% and add them to the reaction kettle respectively, stir and heat to 240°C, and fully react for 8 hours. In the middle of the reaction, depressurize and drain twice, and after the reaction, depressurize and drain the water, which is a chitosan dimer ester amine compound.
[0032] The preparation method of the above-mentioned organic molybdenum: Weigh 200g of oleamide, 50g of molybdic acid, and 40g of hydroxyethylethanolamine, mix them, stir at 100°C for 1 hour, then raise the temperature to 110°C, keep the pressure in the container not greater than 100mmHg aft...
Embodiment 2
[0034] Weigh 900g of chitosan dimer ester amine compound and 100g of organic molybdenum and place them in a homogenization device for homogenization for 1 hour to obtain a high temperature resistant lubricant.
[0035] The preparation method of the above-mentioned chitosan dimer ester amine compound: weigh 1000g of chitosan, 4000g of dimer acid, and 50g of phosphoric acid with a concentration of 85% and add them to the reaction kettle respectively, stir and heat to 180°C, and fully react for 12 hours. In the middle of the reaction, depressurize and drain water for 3 times, and then decompress and drain water after the reaction, which is a chitosan dimer ester amine compound.
[0036] The preparation method of the above organic molybdenum: Weigh 100g of oleamide, 20g of molybdic acid, and 15g of hydroxyethylethanolamine, mix them, stir at 80°C for 2 hours, then raise the temperature to 120°C, keep the pressure in the container not greater than 100mmHg after decompression, and st...
Embodiment 3
[0038] Weigh 850g of chitosan dimer ester amine compound, 150g of organic molybdenum, and 10g of antioxidant (IrganoxL57) and place them in a homogenization device for homogenization for 1.5 hours to obtain a high-temperature-resistant lubricant.
[0039] The preparation method of the above-mentioned chitosan dimer ester amine compound: weigh 1000g of chitosan, 3500g of dimer acid, and 60g of phosphoric acid with a concentration of 50% and add them to the reaction kettle respectively, stir and heat to 200°C, and fully react for 10 hours. In the middle of the reaction, depressurize and drain water for 3 times, and then decompress and drain water after the reaction, which is a chitosan dimer ester amine compound.
[0040] The preparation method of the above-mentioned organic molybdenum: Weigh 200g of oleamide, 45g of molybdic acid, and 36g of hydroxyethylethanolamine, mix them, stir at 90°C for 1.5 hours, then raise the temperature to 115°C, keep the pressure in the container not...
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Abstract
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