Polyacrylic acid phosphate ester and its preparation method and use ester to prepare environment-friendly micro-lubricant
A technology of polyacrylic acid phosphate ester and trace lubricant, applied in the field of lubrication, can solve the problems of non-degradable raw materials, small amount of lubricant used, increased environmental burden, etc., and achieve the effects of remarkable environmental protection, saving usage, and remarkable effect.
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Examples
Embodiment 1
[0043] Step 1: 7206g (100mol) of acrylic acid and 734.6g of phosphoric acid (50% effective concentration) and 9319g of lauryl alcohol (50mol) and 1841.8g (20mol) of glycerol are added in the reaction kettle, and the air in the reaction kettle is converted into nitrogen, and the React at a reaction temperature of ℃ for 5 hours; after the reaction, depressurize and discharge water, which is acrylate phosphate;
[0044] Step 2: Add 72g of initiator dibenzoyl peroxide into the reactor and stir to keep the reaction temperature at 180°C. After 4 hours of polymerization, discharge the polymer in the reactor and filter at a temperature above 100°C to remove impurities , which is polyacrylate phosphate.
[0045] Step 3: Take 2500g of polyacrylate phosphate prepared in step 2 and 1500g of polyethylene glycol PEG200 into the reaction kettle, fill with nitrogen to replace the air, fully stir the reaction at 180°C for 2 hours, decompress and cool to 80°C Below ℃;
[0046] Step 4: Add 100...
Embodiment 2
[0049] Step 1: Add 7206g (100mol) of acrylic acid and 597g of phosphoric acid (85% effective concentration) and 10019g of isomeric tridecyl alcohol (50mol) and 2683.4g (20mol) of trimethylolpropane into the reactor, and fill it with nitrogen to switch out the reaction The air in the kettle was reacted at a reaction temperature of 220°C for 3 hours; after the reaction, the water was depressurized and discharged, which was acrylate phosphate;
[0050] Step 2: Add 36g of lauroyl peroxide into the reaction kettle and stir to keep the reaction temperature at 160°C. After 8 hours of polymerization, discharge the polymer in the reaction kettle and filter to remove impurities at a temperature above 100°C. Phosphate Acrylate.
[0051] Step 3: Take 3000g of polyacrylic acid phosphate and 2000g of polyethylene glycol PEG400 prepared in step 2, put them into the reaction kettle, fill with nitrogen to replace the air, fully stir the reaction at 160°C for 3 hours, decompress and cool to 80°...
Embodiment 3
[0055] Step 1: Add 7206g (100mol) of acrylic acid and 1178g of phosphoric acid (50% effective concentration) and 14550g of isomeric cetyl alcohol (60mol) and 1821.7g (10mol) of mannitol into the reactor, and fill it with nitrogen to convert the air in the reactor , reacted at a reaction temperature of 200°C for 4 hours; after the reaction, the water was decompressed and discharged, which was acrylate phosphate;
[0056] Step 2: Add 48g of tert-butyl hydroperoxide to the reactor and stir to keep the reaction temperature at 170°C. After 6 hours of polymerization, discharge the polymer in the reactor and filter to remove impurities at a temperature above 100°C. For polyacrylate phosphate.
[0057] Step 3: Take 2000g of polyacrylic acid phosphate prepared in step 2 and 1000g of polyethylene glycol PEG500 into the reaction kettle, fill it with nitrogen to replace the air, fully stir the reaction at 170°C for 2.5 hours, decompress and cool to 80°C Below ℃;
[0058] Step 4: Add 75g...
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Description
Claims
Application Information
- IPC
- C10M173/02; C10N30/06; C10N30/12; C10N40/22; C08F130/02
- CPC
- C08F130/02; C10M173/02; C10M2201/082; C10M2201/087; C10M2209/104; C10M2215/08; C10M2225/02; C10M2227/0615
- Inventors
- 张乃庆; 吴启东