Functional red microsphere and preparation thereof
A technology of red and microspheres, applied in nonlinear optics, instruments, optics, etc., can solve the problems of shortening the service life of electronic paper by electrophoresis, achieve the effect of improving color fastness, prolonging service life and preventing leakage
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Embodiment 1
[0045] Embodiment 1: Synthesize the cross-linked cue ball polymer with the upper limit of the amount of glycidyl methacrylate and the lower limit of the amount of divinylbenzene (or allyl methacrylate). Its formula is listed in table 1:
[0046] Table 1
[0047]
[0048]Mix perylene anhydride with glycidyl methacrylate and divinylbenzene (or allyl methacrylate), and disperse the mixture with a ball mill for no less than 4 hours.
[0049] Dissolve azobisisobutyronitrile in acetonitrile in a 250ml four-neck flask equipped with agitator, condenser tube, air guide tube and thermometer, and stir to dissolve; then add the above-prepared monomer mixture dispersed with perylene anhydride, Bubble argon. After 30 minutes the temperature was raised to 70°C. Keep the system at 70° C. and the stirring speed at 300 rpm to 400 rpm for 24 hours. Finally, cool down to obtain a suspension of red cue balls. The suspension is filtered or centrifuged to obtain solid microspheres, washed th...
Embodiment 2
[0066] Example 2: Synthesis of cross-linked cue ball polymers with an intermediate amount of glycidyl methacrylate and an intermediate amount of divinylbenzene (or allyl methacrylate). Its formula is listed in Table 2.
[0067] Table 2
[0068]
[0069] The synthesis process is similar to Example 1.
Embodiment 3
[0070] Example 3: Synthesis of a crosslinked cue ball polymer with a lower limit for the amount of glycidyl methacrylate and an upper limit for the amount of divinylbenzene (or allyl methacrylate). Its formula is listed in Table 3.
[0071] The synthesis process is similar to Example 1.
[0072] table 3
[0073]
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