Anti-reflection coating composition, its formed film and its manufacturing method
A technology of coating composition and manufacturing method, which is applied in the direction of reflection/signal paint, coating, etc., can solve the problems of inability to use reflective optical coating, poor mechanical strength and hardness of anti-reflection film, and poor abrasion resistance of anti-reflection film Ability and other issues
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Embodiment 1
[0229] Oxygen-containing gel A with polymerizable functional groups
[0230] Get a reaction bottle, put 60 grams (3-methacrylicoxy-propyl trimethoxy silane) and 140 grams of silicon dioxide gel (colloidsilica, dissolve in methyl Isobutyl ketone (MIBK) in the bottle, buy in NissanChemical number MIBKST, particle diameter is 12nm,), then add deionized water (de-ion water) and tetrahydrofuran (tetrahydrofuran; THF) to dissolve, and keep the solid content of the above solution at 20wt%, after uniform mixing, reflux (reflux) at 70 ° C for four hours, Wherein the weight ratio of the 3-(methacryl)propyltrimethoxysilane to the silica gel is 3 / 7. After the reaction is complete, the oxide-containing gel A with polymerizable functional groups can be obtained. Please refer to the following reaction formula (I) to illustrate the synthesis process of the oxygen-containing gel A with polymerizable functional groups:
[0231]
[0232] Reaction formula (I)
[0233] The structure of the o...
Embodiment 2~5
[0235] Embodiments 2 to 5 are carried out in the same manner as in Example 1, but the amount of 3-(methacrylic acid group) propyltrimethoxysilane described in Example 1 is changed from 60g to 80g, 100g, and 120g respectively and 140g, and the amount of the silica gel described in Example 1 was changed from 140g to 120g, 100g, 80g and 60g to obtain the oxide-containing gels B to E with polymerizable functional groups respectively.
[0236] Please refer to Table 1, which lists the ratios of compounds having polymerizable functional groups and silica gel in Examples 1 to 5.
[0237] Table 1
[0238] Example 1 Example 2 Example 3 Example 4 Example 5 3-(methyl
Embodiment 6
[0240] Oxygen-containing gel F with polymerizable functional groups
[0241] Take a reaction bottle, put 60 grams of tetraethoxysilane (tetra-ethylorthosilicate, TEOS), 40 grams of silica gel (colloid silica, dissolved in water, purchased from Nissan Chemical number Snowtex-UP, particle size 40-100nm,), then add 1500 grams of ethanol, 250 grams of deionized water (de-ionwater), 0.4 grams of hydrochloric acid and 5 grams of 3-(methacrylic acid group) propyl trimethoxysilane, after mixing evenly, at 78 Reflux at °C for four hours. After the reaction is complete, the solid content of the solution is maintained at 10 wt% by vacuum distillation, and then the oxide-containing gel F with polymerizable functional groups can be obtained.
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