Lubricating oil for agricultural machines
A technology of agricultural machinery and lubricating oil, applied in lubricating compositions, petroleum industry, etc., can solve the problems of poor lubricating performance and high price, and achieve good cooling, cheap price, anti-rust and anti-oxidation effects
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Embodiment 1
[0011] Equipped with the agricultural machinery lubricating oil of the present invention, it is composed of the following components by weight: 90 parts of base oil, 5 parts of phosphite, 3 parts of tea polyphenols, 2 parts of rosin resin, methacrylate 1 part, talcum powder 4 parts, dialkyl dithiophosphate 0.2 part, benzotriazole 0.8 part; each part is 1Kg. The base oil is Group I, II, and III base oil with a viscosity index of 80.
Embodiment 2
[0013] Equipped with the agricultural machinery lubricating oil of the present invention, it is composed of the following components by weight: 80 parts of base oil, 9 parts of phosphite, 8 parts of tea polyphenols, 2 parts of rosin resin, methacrylate 2 parts for talcum powder, 0.8 parts for dialkyl dithiophosphate, and 3 parts for benzotriazole; each part is 1Kg. The base oil is Group I, II, and III base oil with a viscosity index of 70.
Embodiment 3
[0015] Equipped with the agricultural machinery lubricating oil of the present invention, it is composed of the following components by weight: 100 parts of base oil, 7 parts of phosphite, 5 parts of tea polyphenols, 3 parts of rosin resin, methacrylate 1 part for talcum powder, 0.5 parts for dialkyl dithiophosphate, and 2 parts for benzotriazole; each part is 1Kg. The base oils are Group I, II, and III base oils with a viscosity index of 77.
[0016] The preparation method of the present invention is as follows: step 1, mix the base oil, phosphite, tea polyphenol and rosin resin in the formula, heat to 55 degrees, stir for 25 minutes, and the stirring speed is 500 rpm; step 2, in the formula Add other raw materials into the mixture in step 1, stir for 10 minutes, cool to room temperature, and filter to obtain the finished product.
[0017] The beneficial effect of the present invention compared with the prior art is: the raw material of the present invention is easy to obtai...
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