Phosphorus-boron-nitrogen-containing lubricating composition minimal quantity lubricant and preparation method thereof
A technology of micro-quantity lubricant and lubricant composition, which is applied in the field of lubrication, can solve problems affecting the health of operators, pollution of processing places and the environment, and large amount of lubricant used, achieving remarkable environmental protection effects and excellent biodegradability , good anti-friction effect
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Embodiment 1
[0037] Step 1: Weigh 1000g of ricinoleic acid, 1000g of polyethylene glycol (PEG200), 100g of isopropanolamine, and 80g of boric acid and add them into the reaction kettle together, and stir evenly.
[0038] Step 2: Slowly add 80g of phosphorus pentoxide and stir to react for 60 minutes, use the heat of reaction to heat to 180°C at the same time, remove the water generated by the reaction in time, keep the pressure in the kettle not exceeding 200mmHg, fully react for 5 hours, and filter The oil is a lubricant composition.
[0039] Weigh and weigh 400g of lubricant composition, 300g of diisodecyl adipate, 100g of polysucrose caprate, 50g of castor oil sodium sulfonate, and 150g of deionized water, mix and stir at room temperature until translucent. Minimal quantity lubricant.
[0040] The preparation method of above-mentioned polysucrose decanoate:
[0041] Step 1: Add 342.3g (1mol) of sucrose, 139.28g (1.2mol) of maleic acid, 1033.56g (6mol) of n-decanoic acid, and 10g of ca...
Embodiment 2
[0044] Step 1: Weigh 1000g of ricinoleic acid, 500g of polyethylene glycol (PEG300), 80g of isopropanolamine, and 50g of boric acid into the reaction kettle together, and stir evenly.
[0045] Step 2: Slowly add 50g of phosphorus pentoxide, stir and react for 30 minutes, heat to 150°C, remove the water generated by the reaction in time, keep the pressure in the kettle not exceeding 200mmHg, fully react for 6 hours, and the filtered oil is A lubricant composition.
[0046] Weigh and weigh 300g of lubricant composition, 400g of diisodecyl adipate, 200g of polysucrose laurate, 60g of castor oil sodium sulfonate, and 40g of deionized water, mix and stir at room temperature until translucent. Minimal quantity lubricant.
[0047] The preparation method of above-mentioned polysucrose laurate:
[0048] Step 1: Add 342.3g (1mol) of sucrose, 116.07g (1mol) of fumaric acid, 900.96g (3mol) of lauric acid, and 2g of lanthanum oxide into the reactor, and react for 5 hours at a reaction te...
Embodiment 3
[0051] Step 1: Weigh 1000g of ricinoleic acid, 750g of polyethylene glycol (PEG400), 90g of isopropanolamine, and 70g of boric acid into the reaction kettle together, and stir evenly.
[0052] Step 2: Slowly add 70g of phosphorus pentoxide, stir and react for 50 minutes, use the heat of reaction, heat to 170°C at the same time, remove the water generated by the reaction in time, keep the pressure in the kettle not exceeding 200mmHg, fully react for 5.5 hours, after filtering The oil is a lubricant composition.
[0053] Weigh and weigh 350g of lubricant composition, 350g of diisodecyl adipate, 150g of polysucrose stearate, 70g of castor oil sodium sulfonate, and 80g of deionized water, and mix and stir at room temperature until translucent. A micro lubricant.
[0054] The preparation method of above-mentioned polysucrose stearate:
[0055] Step 1: Add 342.3g (1mol) of sucrose, 98.08g (1mol) of maleic anhydride, 1137.92g (4mol) of stearic acid, and 5g of cerium oxide into the ...
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