Molecular engram polymer containing ternary phenanthrene ring frame and preparation method thereof
A molecularly imprinted and polymer technology, applied in the field of molecularly imprinted polymers and their preparation, can solve the problems of unreported, complicated equipment, low extraction rate, etc., and achieve the effects of easy availability of raw materials, low price, and good mechanical stability.
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Embodiment 1
[0069] 1), the preparation of maleic rosin ethylene glycol propylene ester
[0070] Maleated rosin ethylene glycol propylene ester is synthesized from rosin, maleic acid (or maleic anhydride), ethylene glycol and acrylic acid.
[0071] Get 150 grams of dried maleic rosin ethylene glycol ester in a three-necked flask, add 55 milliliters of acrylic acid, add 6 grams of p-toluenesulfonic acid catalyst, 4 grams of polymerization inhibitor, use 200# gasoline as solvent, pack Upper thermometer, water separator, stirrer and reflux condenser. Heating, the reaction temperature is controlled at 100-140°C, heat the reaction for 2 hours, stop heating, pour out the reaction solution, cool to room temperature, separate the gasoline layer, and repeatedly wash the product with 80°C deionized water to remove the catalyst and polymerization inhibition agent and unreacted acrylic acid, and the water is separated to obtain the maleic rosin ethylene glycol propylene ester product for subsequent u...
Embodiment 2
[0078] 1), the preparation of maleic rosin ethylene glycol propylene ester
[0079] 1) with embodiment 1.
[0080] 2) The synthesis of dehydroabietylamine molecularly imprinted polymers containing a three-membered phenanthrene ring skeleton is divided into two steps, A and B:
[0081] A. Polymer synthesis
[0082] 1g of dehydroabietylamine, 1.4g of methyl methacrylate, 12g of maleic rosin ethylene glycol propylene ester, 1g of dibenzoyl peroxide, 30mL of chloroform and 15mL of gasoline, ultrasonically oscillating to form a yellow-brown liquid, adding Add 250mL distilled water to a 500mL three-necked flask, install a water separator, a condenser, a stirrer, a thermometer, fill the water separator with chloroform, heat, stir, keep the temperature at 70°C, and react for 2 hours to produce uniform spherical particles The polymer was then heated to 80°C for 2 hours of reaction, and then heated to 90°C for 2 hours of reaction. Yellow spherical solid particles were obtained. Afte...
Embodiment 3
[0086] 1), the preparation of maleic rosin ethylene glycol propylene ester
[0087] 1) with embodiment 1.
[0088] 2) The synthesis of theophylline molecularly imprinted polymers containing a three-membered phenanthrene ring skeleton is divided into two steps, A and B:
[0089] A. Polymer synthesis
[0090]1g of theophylline, 1.5g of acrylic acid, 20g of maleic rosin ethylene glycol propylene ester, 1g of azobisisobutyronitrile, 30mL of chloroform and 15mL of gasoline, dissolve them by ultrasonic vibration, and form a yellow-brown liquid, add it to a 500mL three-necked flask , add 250mL of distilled water, install the water separator, condenser, agitator, and thermometer, fill the water separator with chloroform, heat, stir, keep the temperature at 70°C, and react for 2 hours to produce uniform spherical particle polymers, then The temperature was raised to 80°C, and the reaction was performed for 2 hours, and then the temperature was raised to 90°C, and the reaction was per...
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