Castor oil-base engine lubricating oil and its prepn
A castor oil-based, engine technology, applied in lubricating compositions, base materials, petroleum industry, etc., can solve the problems of oil quality grades that cannot reach high models, oil performance is not stable enough, oil performance is not outstanding, etc., to achieve Good low-temperature start-up performance, high-temperature shear performance improvement, and the effect of reducing production costs
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Example Embodiment
[0025] Example 1 (1kg per unit weight part)
[0026] Take 30 kg of dioctyl adipate, 15 kg of synthetic ester, 2 kg of safflower oil, 2 kg of sage oil, and 2 kg of fatty acid ester; and add viscosity index improver and functional compounding agent.
[0027] The viscosity index improver is 0.1 kg of polyisobutylene, 0.2 kg of polymethacrylate, 0.2 kg of ethylene-propylene copolymer, or one of them.
[0028] The functional compounding agent includes a dispersant (to dissolve the carbon deposits in the engine): 0.05 kg of monoalkenyl succinimide and 0.05 kg of bisalkenyl succinimide; or one of them.
[0029] The functional compounding agent includes a detergent (cleaning the carbon deposits formed in the engine cylinder for a long time, and has a certain protective effect on the engine): 0.4kg of synthetic calcium sulfonate with high base value and 0.2kg of synthetic calcium sulfonate with medium base value, 0.4kg of calcium sulfide alkylphenol; or one of them.
[0030] The functional...
Example Embodiment
[0037] Example 2 (1kg per unit weight part)
[0038] Take 50 kg of dioctyl pentaglutarate, 30 kg of synthetic ester, 5 kg of safflower oil, 5 kg of sage oil, and 5 kg of fatty acid ester; and add viscosity index improver and functional compounding agent.
[0039] The viscosity index improver is 2 kg of bis-octyl thiophosphate alkaline zinc salt, 2 kg of polymethic acid ester, and 2 kg of ethylene-propylene copolymer.
[0040] The functional compounding agent includes 18 kg of dispersant (to dissolve the carbon deposits in the engine) of bisalkenyl succinimide.
[0041] The functional compounding agent includes detergent (cleaning the carbon deposits formed in the engine cylinder for a long time, and has a certain protective effect on the engine): 1kg of synthetic calcium sulfonate with high base value and 2kg of synthetic calcium sulfonate with medium base value.
[0042] The functional compounding agent includes 0.9 kg of metal antioxidant (to protect the engine cylinder from bei...
Example Embodiment
[0049] Example 3 (1kg per unit weight part)
[0050]Take 40 kg of dioctyl sebacate, 22.5 kg of synthetic ester, 3.5 kg of safflower oil, 3.5 kg of sage seed oil, and 3.5 kg of fatty acid ester; and add viscosity index improver and functional compounding agent.
[0051] The viscosity index improver is 2 kg of polyisobutylene, 2 kg of bis-octyl thiophosphate alkaline zinc salt, 1 kg of polymethic acid ester, and 1 kg of ethylene-propylene copolymer.
[0052] The functional compounding agent includes a dispersant (to dissolve carbon deposits in the engine): 2 kg of monoalkenyl succinimide and 6 kg of dialkenyl succinimide.
[0053] The functional compounding agent includes detergent (cleans the carbon deposits formed in the engine cylinder for a long time, and has a certain protective effect on the engine): high base number synthetic calcium sulfonate 3kg, medium base number synthetic calcium sulfonate 2kg, and alkyl sulfide 3kg of calcium phenate and 2kg of calcium alkylsalicylate. ...
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