White light aggregation-induced light-emitting polymer nanoparticles and its preparation method and application
A nanoparticle and polymer technology, which is applied to white light aggregation-induced luminescent polymer nanoparticles and their preparation and application fields, can solve the problems of decreased luminous efficiency, unstable white light, uncontrollable interaction of fluorescent molecules, etc., and achieve efficient preparation. Effect
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Embodiment 1
[0042] Weigh 0.05 g of sodium lauryl sulfate and dissolve it in 12.5 g of water to obtain an aqueous emulsifier solution. Then weigh the AIE molecules shown in 0.002g formula (I), 0.8g methyl methacrylate, 0.2g octadecyl methacrylate and 0.06g n-hexadecane, and obtain an oil phase solution after mutual dissolution. Add the oil phase solution to the emulsifier aqueous solution, pre-emulsify at a magnetic stirring speed of 700rpm for 15min to obtain a coarse emulsion, then place the container containing the coarse emulsion in an ice-water bath, and ultrasonically treat it at a power of 400W for 9min to prepare Obtain a stable monomer miniemulsion; then add 0.05 g of water-soluble initiator potassium persulfate to the monomer miniemulsion, pass nitrogen to remove oxygen, adjust the reaction temperature to 70 ° C, and react for 5 h under the protection of nitrogen to obtain AIE polymer nanoparticles.
[0043] The prepared AIE polymer nanoparticle emulsion has high colloidal stabi...
Embodiment 2
[0047] Weigh 0.05 g of sodium lauryl sulfate and dissolve it in 12.5 g of water to obtain an aqueous emulsifier solution. Then weigh the AIE molecule shown in 0.002g formula (I), 0.85g methyl methacrylate, 0.15g octadecyl methacrylate and 0.06g n-hexadecane, and obtain an oil phase solution after mutual dissolution. Add the oil phase solution to the emulsifier aqueous solution, pre-emulsify at a magnetic stirring speed of 700rpm for 15min to obtain a coarse emulsion, then place the container containing the coarse emulsion in an ice-water bath, and ultrasonically treat it at a power of 400W for 9min to prepare Obtain a stable monomer miniemulsion; then add 0.05 g of water-soluble initiator potassium persulfate to the monomer miniemulsion, pass nitrogen to remove oxygen, adjust the reaction temperature to 70 ° C, and react for 5 h under the protection of nitrogen to obtain AIE polymer nanoparticles.
[0048] The prepared AIE polymer nanoparticle emulsion has high colloidal stab...
Embodiment 3
[0054] Weigh 0.25g emulsifier MOA-9 and dissolve it in 12.5g water to obtain emulsifier aqueous solution. Then weigh 0.01g of the AIE molecule shown in the formula (I), 1.4g of methyl methacrylate, 0.6g of isobornyl methacrylate and 0.18g of n-hexadecane, and obtain an oil phase solution after mutual dissolution. Add the oil phase solution to the emulsifier aqueous solution, pre-emulsify at a magnetic stirring speed of 900rpm for 10 minutes to obtain a coarse emulsion, then place the container containing the coarse emulsion in an ice-water bath, and ultrasonically treat it at a power of 300W for 18 minutes to prepare Obtain a stable monomer miniemulsion; then add 0.02 g of water-soluble initiator potassium persulfate to the monomer miniemulsion, pass nitrogen to remove oxygen, adjust the reaction temperature to 70 ° C, and react under nitrogen protection for 8 hours to prepare AIE polymer nanoparticles.
[0055] The prepared AIE polymer nanoparticle emulsion has high colloida...
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