Preparation method of single-rare-earth-doped ionic gel white-light material
A rare earth doping, ionic liquid technology, applied in the field of white light materials, can solve the rare rare earth hybrid white light materials and other problems, and achieve the effects of mild and controllable experimental conditions, cost control, and simple experimental conditions
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Embodiment 1
[0015] 1. Add 50g N-vinylimidazole and 60g chlorobutane into a 250mL round-bottomed flask, stir and reflux for 72 hours in a constant temperature water bath at 70°C, cool naturally after the reaction is completed, then put the two phases in the refrigerator to separate, and then add Ethyl acetate was washed 3 times, the residual ethyl acetate was removed by rotary evaporation, and dried to constant weight in a vacuum oven at 60°C to obtain a slightly light yellow viscous liquid, namely the target chlorinated 1-vinyl- 3-Butylimidazolium chloride. Add 1-vinyl-3-butylimidazolium chloride to a one-necked flask, and add a slight excess of equimolar sodium tetrafluoroborate. Using methanol as a solvent, stir magnetically for 24 hours at room temperature, filter the reaction solution with a funnel, distill off the methanol in the filtrate under reduced pressure, add dichloromethane, filter, remove the precipitated white solid, and distill out the dichloromethane from the filtrate unde...
Embodiment 2
[0019] 1. Add 50g of N-vinylimidazole and 60g of n-chlorobutane into a 250mL round-bottomed flask, stir and reflux for 72 hours in a constant temperature water bath at 80°C, cool naturally after the reaction is completed, then put them in the refrigerator to separate the two phases, and then add Ethyl acetate was washed 3 times, the residual ethyl acetate was removed by rotary evaporation, and dried to constant weight in a vacuum oven at 60°C to obtain a slightly light yellow viscous liquid, namely the target chlorinated 1-vinyl- 3-Butylimidazolium chloride salt. Add 1-vinyl-3-butylimidazolium chloride into a one-necked flask, and add a slightly excess equimolar amount of potassium hexafluorophosphate. Using ethanol as a solvent, stir magnetically for 10 hours at room temperature, filter out the reaction solution with a funnel, distill off the ethanol in the filtrate under reduced pressure, add dichloromethane, filter, remove the precipitated white solid, and distill out the d...
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