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Using the method of ball milling dispersion, and the ITO slurry was prepared by the dispersion of ITO stive in anhydrous ethanol system.After that, the ITO slurry was combined with the PVB resin, dispersant of PVPK30 and isopropyl alcohol to prepate the ITO-PVB paint .At last, ITO-PVB glass was prepared by filming on the matrix glass. By using the UV-visible spectrophotometer in the visible light transmittance of the coating, UV and infrared light absorption rate was characterized, analysised and tested, scanning electron microscope test overall morphology of the ITO-PVB glass coating, and the influence on properties of the addition of ITO slurry material, PVB resin, PVPK30 dispersing agent and isopropanol were also observed. The results show that nano-ITO-PVB film is provided with high UV absorption rate, infrared reflectivity and visible light transmittance owing to its uniformly particle distribution. Therefore, it is provided with effects of transparent, low-E and energy-saving. And it attains the best insulation effect when the volume of isopropanol is 70ml, the ratio of PVPK30 - isopropanol is 11g-L, PVB - isopropanol equals 71g-L and the ratio of ITO slurry - isopropanol is about 9%. The film transmittance of ITO-PVB film is from 90% to 98% when the wave band is 380nm to 780nm, PVPK30 - isopropyl is within 7g - L to 11g - L and the ratio of ITO slurry - isopropano is from 6% to 12%. TheUV absorption rate is above 80% when the wave band is within 260nm to 380nm, PVPK30 - isopropyl is about 9g - L and the ratio of ITO slurry - isopropano is about 9% to 11%. The infrared reflectance rate of ITO-PVB film is about 76% to 77% when the wave band is within 780nm to 900nm, PVPK30 - isopropyl is about 9g - L and the ratio of ITO slurry - isopropano is about 9% to 11%.

KEYWORDS

ITO; PVB; Film; Preparation; Performance

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Autor: Xie-bin Zhu, Da-peng Yin, Hai-tao Wang, Tao Jiang, Xiang-chao Zeng, Qi Chen

Fuente: http://www.scirp.org/



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