Heat-resistant lubricating oil and preparation method thereof
A lubricating oil and heat-resistant technology, applied in lubricating compositions, petroleum industry, additives, etc., can solve the problem of single function of lubricating oil, achieve good dispersion, good heat-resistant stability, and improve heat-resistant stability Effect
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Embodiment 1
[0016] A kind of heat-resistant lubricating oil, it is made up of the raw material of following weight part:
[0017] Bisphenol A7, tributyl borate 4, catalyst 0.01, creosote oil 20, base oil 70, tripolythiocyanate 1, diphenylimidazoline 0.5, diacetone alcohol 3, sucrose acetate isobutyrate 1, Calcium acetylacetonate 0.8, zinc acetylacetonate 0.6.
[0018] The catalyst is lithium methylate.
[0019] A preparation method of heat-resistant lubricating oil, comprising the following steps:
[0020] (1) Take diphenylimidazoline, add it to absolute ethanol 10 times its weight, stir evenly, mix with diacetone alcohol, stir evenly, and obtain a compound alcohol solution;
[0021] (2) Take thiocyanuric acid, add it to the above complex alcohol solution, stir evenly, increase the temperature to 90°C, keep stirring for 1 hour, add sucrose acetate isobutyrate, stir to room temperature, and obtain the ester dispersion;
[0022] (3) Take bisphenol A, add it to the above-mentioned ester d...
Embodiment 2
[0025] A kind of heat-resistant lubricating oil, it is made up of the raw material of following weight part:
[0026] Bisphenol A9, tributyl borate 5, catalyst 0.01-0.03, creosote oil 30, base oil 90, tripolythiocyanate 2, diphenylimidazoline 1, diacetone alcohol 5, sucrose acetate isobutyrate 2. Calcium acetylacetonate 1, zinc acetylacetonate 1.
[0027] The catalyst is lithium methylate.
[0028] A preparation method of heat-resistant lubricating oil, comprising the following steps:
[0029] (1) Take diphenylimidazoline, add it to 18 times its weight in absolute ethanol, stir evenly, mix with diacetone alcohol, stir evenly, and obtain a compound alcohol solution;
[0030] (2) Take thiocyanuric acid, add it to the above complex alcohol solution, stir evenly, raise the temperature to 95°C, keep stirring for 2 hours, add sucrose acetate isobutyrate, stir to room temperature, and obtain the ester dispersion;
[0031] (3) Take bisphenol A, add it to the above-mentioned ester d...
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