Cardanol polyoxyethylene ether as well as preparation method and application thereof
A cardanol polyoxyethylene ether and cardanol technology, which is applied in chemical instruments and methods, transportation and packaging, dissolution, etc., can solve the problem that the molecular weight distribution of cardanol polyoxyethylene ether is narrow and the application range of cardanol polyoxyethylene ether is limited. and other problems, to achieve the effect of stable and controllable catalytic reaction, speeding up the polymerization reaction rate, and expanding the scope of application
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0046] Embodiment 1: A kind of cardanol polyoxyethylene ether is prepared by the following steps:
[0047] S1, put 302g of cardanol into the reactor, replace the air in the reactor with nitrogen and vacuum device for 3 times, heat to 90°C while stirring, then vacuum dehydrate for 30min, after dehydration, fill the reactor with nitrogen to normal pressure , add 0.604g of triethylamine catalyst, at the temperature of 130°C, under the pressure of 0.1MPa, continue to feed 88g of ethylene oxide to react within 2h, after the reaction is completed, mature for 1h, cool down to 90°C, degas, get intermediate products;
[0048] S2, add nitrogen to normal pressure, add 0.604g of potassium hydroxide, at a temperature of 130°C and a pressure of 0.1MPa, continuously feed 308g of ethylene oxide to react within 2 hours, mature for 1 hour after the reaction, and cool down to 90°C, degas, continue to cool down to 70°C, neutralize with 17.5mol / L glacial acetic acid to pH ≈ 6, and obtain cardanol...
Embodiment 2
[0049] Embodiment 2: A kind of cardanol polyoxyethylene ether is prepared by the following steps:
[0050] S1, put 302g of cardanol into the reactor, replace the air in the reactor with nitrogen and vacuum device 4 times, heat to 95°C while stirring, then vacuum dehydrate for 30min, after dehydration, fill the reactor with nitrogen to normal pressure , add 0.906g of triethylamine catalyst, at the temperature of 135°C, under the pressure of 0.2MPa, continue to feed 110g of ethylene oxide to react within 3h, after the reaction is completed, mature for 1h, cool down to 90°C, degas, Obtain intermediate product, supplement nitrogen to normal pressure;
[0051] S2, add nitrogen to normal pressure, add 0.906g of potassium hydroxide, at a temperature of 135°C and a pressure of 0.2MPa, continuously feed 2200g of ethylene oxide to react within 3 hours, mature for 1 hour after the reaction, and cool down to 90°C, degas, continue to cool down to 70°C, neutralize with 17.5mol / L glacial ac...
Embodiment 3
[0052] Embodiment 3: A kind of cardanol polyoxyethylene ether is prepared by the following steps:
[0053] S1, put 302g of cardanol into the reactor, replace the air in the reactor with nitrogen and vacuum device 4 times, heat to 100°C while stirring, then vacuum dehydrate for 30min, after dehydration, fill the reactor with nitrogen to normal pressure , add 1.208g of triethylamine catalyst, at the temperature of 140°C, under the pressure of 0.3MPa, continue to feed 132g of ethylene oxide to react within 4h, after the reaction is completed, mature for 1h, cool down to 90°C, degas, Obtain intermediate product, supplement nitrogen to normal pressure;
[0054] S2, add nitrogen to normal pressure, add 1.208g of potassium hydroxide, at a temperature of 140°C and a pressure of 0.3MPa, continuously feed 4400g of ethylene oxide to react within 4 hours, mature for 1 hour after the reaction, and cool down to 90°C, degas, continue to cool down to 70°C, neutralize with 17.5mol / L glacial a...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More