High-transparent ultraviolet separation ceramic-imitating flexible nanometer composite membrane material and preparation method thereof
A nano-composite and transparent violet technology, which is applied in the field of high-transparency UV-blocking imitation ceramic flexible nano-composite film materials and its preparation, can solve the problems of reduced transparency and optical uniformity, insufficient flexibility, and energy instability. The effect of optical uniformity, simple process and simple preparation method
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[0041] Example 1
[0042] Take ZnO nanoparticle ethanol dispersion (initial dispersion, solvent A is ethanol), add a large amount of isopropyl ether (solvent B) dropwise to obtain white ZnO precipitate, centrifuge, and then wash the precipitate three times and place it in a vacuum drying oven to dry. Obtain ZnO nano powder. Take 1.0g of ZnO nanopowder and disperse it into 1.7g of butyl methacrylate under the action of magnetic stirring and ultrasonic to realize the phase transfer of ZnO nanoparticle. Add 0.2wt% AIBN of the total mass of the dispersion, stir well and degas, pour the liquid into the mold, polymerize in an oven at 78°C for 6 hours, then polymerize at 65°C for 16 hours, and finally at 95°C and 115°C respectively After heat treatment for 1 hour and 1 hour, the transparent flexible nano composite film material is obtained after demolding. The film thickness is 4.0 mm, and the optical performance test results are shown in Table 1.
[0043] Visible light transmittan...
Example Embodiment
[0045] Example 2
[0046] Take 1.0 g of ZnO nanopowder obtained in Example 1 and disperse it into 1.7 g of butyl methacrylate under the action of magnetic stirring and ultrasound to realize the phase transfer of ZnO nanoparticles. Add 0.5wt% AIBN of the total mass of the dispersion, stir evenly and degas, pour the liquid into the mold, polymerize in an oven at 78°C for 6 hours, then at 65°C for 16 hours, and finally at 95°C and 115°C respectively After heat treatment for 1 hour, the transparent flexible nano composite film material is obtained after demolding. The film thickness is 4.0 mm, and the optical performance test results are shown in Table 2.
[0047] Visible light transmittance (%) (550nm)
[0048] Table 2
Example Embodiment
[0049] Example 3
[0050] Take 1.0 g of the ZnO nanopowder obtained in Example 1 and disperse it into 1.7 g of 3-methacryloxypropyltrimethoxysilane under the action of magnetic stirring and ultrasound to realize the phase transfer of the ZnO nanoparticles. Add 0.5wt% AIBN of the total mass of the dispersion, stir evenly and degas, pour the liquid into the mold, polymerize in an oven at 78°C for 6 hours, then at 65°C for 16 hours, and finally at 95°C and 115°C respectively After heat treatment for 1 hour, the transparent flexible nano composite film material is obtained after demolding. The film thickness is 0.070mm, and the optical performance test results are shown in Table 3. The transmittance spectrum curve of nanocomposite membrane material at 200~800nm is shown image 3.
[0051] Visible light transmittance (%) (550nm)
[0052] table 3
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