POSS (Polysilsesquioxane)-containing antireflective film coating liquid and preparation method and application thereof
An anti-reflection film and coating liquid technology, applied in the field of coating liquid, can solve the problems of wear resistance, poor anti-reflection effect, poor strength, etc., and achieve the effect of reducing refractive index, good uniformity and high hardness
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Embodiment 1
[0041] Anhydrous ether 100 g, triethoxysilane 19.68 g (120 mmol) and H 2 [PtCl 6 ] (dissolved in isopropanol, concentration 1wt%, 0.5 g) and octavinyl T8-POSS (Vinyl-POSS) 6.32 g (10.00 mmol, double bond 80.00 mmol) were added to a 250 mL three-necked flask, 66 °C for 8 h, cooled to 20 °C and continued to stir for 15 h. After the reaction, activated carbon was added, stirred at 66°C for 0.5 h, and the obtained black ether solution was filtered through silica gel and diatomaceous earth to obtain a clear liquid, which was concentrated to obtain 25.67 g of a colorless oily liquid, which was POSS derivative Things Si 8 o 12 R 3 8 (R 3 for (C 2 h 5 O) 3 SiC 2 h 4 —).
[0042] In 95 parts by mass of ethanol, add 3 parts by mass of Si 8 o 12 R 3 8 (R 3 for (C 2 h 5 O) 3 SiC 2 h 4 -) and 2 parts by mass of 0.01 mol / L hydrochloric acid solution, reacted at 78°C for 2 h to obtain a coating solution containing POSS anti-reflection film.
[0043] After scratching th...
Embodiment 2
[0050] Distill 750 mL of anhydrous ether, 17.6 g (142.2 mmol) of trimethoxysilane, H 2 [PtCl 6 ] (dissolved in isopropanol, concentration 4wt%, take 1.5 g (and octavinyl T8-POSS 15.0 g (23.7 mmol) into a 1000 mL three-necked flask, react at 34 ° C for 8 h, cool to 20 ° C continued to stir for 15 h. After the reaction, add activated carbon and stir for 0.5 h at 34 ° C. Filter the obtained black ether solution through silica gel and diatomaceous earth to obtain a clear liquid. Concentrate the obtained clear liquid to obtain a viscous flowable oil, then, 1200 mL of pentane was added, after dissolving, the resulting mixture was filtered through silica gel and diatomaceous earth to obtain a clear liquid, which was concentrated to obtain 29.5 g of a colorless oily liquid, that is, the POSS derivative Si 8 o 12 R 1 2 R 3 6 (R 1 for vinyl, R 3 for (CH 3 O) 3 SiC 2 h 4 —).
[0051] In 30 parts by mass of ethanol and 34 parts by mass of propylene glycol monomethyl ether mix...
Embodiment 3
[0055] Distill 750 mL of anhydrous ether, 3.28 g (20.00 mmol) of triethoxysilane, H 2 [PtCl 6 ] (dissolved in isopropanol, concentration 4wt%, 0.5 g) and decavinyl T8-POSS (CAS Registry Number: 71682-48-9) 7.90 g (10.00 mmol) were added to a 1000 mL three-necked flask, and React at 34 °C for 8 h, cool to 20 °C and continue stirring for 15 h. After the reaction, add activated carbon, stir at 34°C for 0.5 h, filter the obtained black ether solution through silica gel and diatomaceous earth to obtain a clear liquid, concentrate the obtained clear liquid to obtain a viscous flowable oil, then add 1200 mL of pentane was dissolved, and the resulting mixture was filtered through silica gel and diatomaceous earth to obtain a clear liquid, which was concentrated to obtain 10.9 g of a colorless oily liquid, namely the POSS derivative Si 10 o 15 R 1 2 R 3 8 (R 1 for vinyl, R 3 for (CH 3 O) 3 SiC 2 h 4 —).
[0056]In 80 parts by mass of isobutanol solvent, add 5 parts by mas...
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