Preparation method of low-freezing-point diesel oil anti-wear agent
A technology of low freezing point and anti-wear agent, which is applied in chemical instruments and methods, petroleum industry, fuel additives, etc., can solve the problems of not meeting the requirements for use and high freezing point of diesel anti-wear agent, and achieves the advantages of not easy deactivation, simple method, Highly active effect
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Embodiment 1
[0023] A method for preparing a catalyst for preparing a low-freezing-point diesel antiwear agent. The preparation method is as follows: immerse porous ceramic microspheres in a suspension of nano-cerium oxide, stir for 6 hours, take out and dry, and bake at 850 ° C for 5 hours. Cool to room temperature to obtain a catalyst for preparing low freezing point diesel antiwear agent.
Embodiment 2
[0025] A kind of preparation method of low freezing point diesel oil antiwear agent, described preparation method is: the catalyst that 100g oleic acid, 45g ethylene glycol, 0.2g embodiment 1 prepares is added in 25g xylene, after 142 ℃ of reaction 45min, then The temperature was raised to 225°C for 15 minutes, cooled to room temperature and then cooled to -25°C, and filtered to obtain a low freezing point diesel antiwear agent with a yield of 92.9%.
[0026] The freezing point of the low freezing point diesel antiwear agent is shown in Table 1 below.
[0027] The storage stability of the low freezing point diesel antiwear agent is shown in Table 2 below.
[0028] Adding the low-freezing-point diesel anti-wear agent to diesel oil can still ensure that the wear spot diameter is not greater than 320 μm within one month.
Embodiment 3
[0030] A kind of preparation method of low freezing point diesel oil antiwear agent, described preparation method is: the catalyst that 100g oleic acid, 50g ethylene glycol, 0.2g embodiment 1 prepares is added in 30g xylene, after 143 ℃ of reaction 40min, then Raise the temperature to 228°C for reaction for 17 minutes, cool to room temperature and then lower the temperature to -25°C, and filter to obtain a low freezing point diesel antiwear agent with a yield of 93.1%.
[0031] The freezing point of the low freezing point diesel antiwear agent is shown in Table 1 below.
[0032] The storage stability of the low freezing point diesel antiwear agent is shown in Table 2 below.
[0033] Adding the low-freezing-point diesel antiwear agent to diesel oil can still ensure that the wear spot diameter is not greater than 320 μm within one month.
PUM
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