Transparent acrylic acid silicone resin nano composite material and preparation method thereof
A technology of acrylic silicone resin and nanocomposite materials, which is applied in the field of transparent acrylic silicone resin nanocomposite materials and its preparation, and can solve the problem of accelerating the transmission speed, not paying attention to dielectric properties, and not having visible light transmittance and ultraviolet light of composite materials Shielding effect and other issues, to achieve the effect of reducing the interaction enthalpy, high visible light transmittance, excellent ultraviolet shielding performance
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Embodiment 1
[0035] After mixing 3.6g of distilled water and 24.84g of γ-methacryloxypropyltrimethoxysilane evenly, add 0.04g of sodium hydroxide and 5ml of acetone at room temperature, and reflux at 50°C for 2h. Then tartaric acid equivalent to sodium hydroxide was added, filtered, vacuum-dried, and the solvent was evaporated to obtain transparent and viscous organosiloxane with methacryloyloxy as the terminal group.
[0036] Take 2g of dried zinc oxide nanoparticles, mix with 100ml of toluene, 0.06g of γ-aminopropyltriethoxysilane ultrasonically, and then reflux and stir for 24h. centrifuged, washed and dried to obtain ZnO-NH 2 .
[0037] Take 1g of ZnO-NH prepared above 2 Mix with 100ml tetrahydrofuran ultrasonically, then add 0.97g triethylamine at 0°C, and slowly add 1.86g 2-bromoisobutyryl bromide dropwise to mix with it, continue to react for 1h, then react at room temperature for 24h, and centrifuge , and vacuum-dried to obtain ZnO-Br.
[0038] Take 0.5g of ZnO-Br obtained abov...
Embodiment 2
[0044] After mixing 3.6g of distilled water and 24.84g of γ-methacryloxypropyltrimethoxysilane evenly, add 0.04g of sodium hydroxide and 5ml of acetone at room temperature, and reflux at 50°C for 2h. Then tartaric acid equivalent to sodium hydroxide was added, filtered, vacuum-dried, and the solvent was evaporated to obtain transparent and viscous organosiloxane with methacryloyloxy as the terminal group.
[0045] Take 2g of dried zinc oxide nanoparticles, mix with 100ml of toluene, 0.06g of γ-aminopropyltriethoxysilane ultrasonically, and then reflux and stir for 24h. centrifuged, washed and dried to obtain ZnO-NH 2 .
[0046] Take 1g of ZnO-NH prepared above 2 Mix with 100ml tetrahydrofuran ultrasonically, then add 0.97g triethylamine at 0°C, and slowly add 1.86g 2-bromoisobutyryl bromide dropwise to mix with it, continue to react for 1h, then react at room temperature for 24h, and centrifuge , and vacuum-dried to obtain ZnO-Br.
[0047] Take 0.5g of ZnO-Br obtained abov...
Embodiment 3
[0062] After mixing 3.6g of distilled water and 24.84g of γ-methacryloxypropyltrimethoxysilane evenly, add 0.04g of sodium hydroxide and 5ml of acetone at room temperature, and reflux at 50°C for 2h. Then tartaric acid equivalent to sodium hydroxide was added, filtered, vacuum-dried, and the solvent was evaporated to obtain transparent and viscous organosiloxane with methacryloyloxy as the terminal group.
[0063] Take 2g of dried zinc oxide nanoparticles, mix with 100ml of toluene, 0.06g of γ-aminopropyltriethoxysilane ultrasonically, and then reflux and stir for 24h. centrifuged, washed and dried to obtain ZnO-NH 2 .
[0064] Take 1g of ZnO-NH prepared above 2 Mix with 100ml tetrahydrofuran ultrasonically, then add 0.97g triethylamine at 0°C, and slowly add 1.86g 2-bromoisobutyryl bromide dropwise to mix with it, continue to react for 30min, then react at room temperature for 24h, and centrifuge , and vacuum-dried to obtain ZnO-Br.
[0065] Take 0.5g of ZnO-Br obtained a...
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