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发明公开
CN108359341A 一种纳米多孔结构减反射涂膜的制备方法 有权

一种纳米多孔结构减反射涂膜的制备方法
摘要：
本发明公开了一种纳米多孔结构减反射涂膜的制备方法，包括以下步骤：1)涂膜液的制备：将硬质粒子乳液和软质粒子乳液混合后，再加入(NH4)2CO3或NH4HCO3，之后得到涂膜液；2)将涂膜液在基体上旋涂成膜，得到纳米多孔结构减反射涂膜。本发明选用的无机盐为(NH4)2CO3或NH4HCO3，这两种无机盐受热即分解，水洗等工序即可去除，同时，涂膜的减反射效率可进一步增高；(NH4)2CO3或NH4HCO3均为碱式盐，加入涂膜液后，涂膜液的OH-浓度增高，并被阴离子乳胶粒吸附，乳胶粒表面的电荷浓度增大，因此涂膜前，乳液的分散稳定性很高，涂膜性能的可重复性很好。
摘要（英）：

The invention discloses a preparation method of an antireflection coating film with a nano-porous structure. The method comprises the steps as follows: 1) preparation of a coating liquid: after a hardparticle emulsion and a soft particle emulsion are mixed, (NH4)2CO3 or NH4HCO3 is added, and the coating liquid is obtained; 2) the coating liquid forms a film on a matrix through spin coating, and the antireflection coating film with the nano-porous structure is obtained. (NH4)2CO3 or NH4HCO3 is selected as inorganic salt, the two inorganic salts can be decomposed with heat and removed through washing and other processes, and meanwhile, the antireflection efficiency of the coating film can be further improved; the (NH4)2CO3 and NH4HCO3 are both basic salts, after the coating liquid is added,the OH<-> concentration of the coating liquid is increased, OH<-> is adsorbed by anionic emulsion particles, and the charge concentration of emulsion particle surfaces is increased, so that the dispersion stability of the emulsion is very high and the repeatability of the coating performance is very good before coating.

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