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Flexible transparent projection screen of polycarbonate matrix integrated with functionalized alumina particles
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2021-07-19 , DOI: 10.1002/app.51414 Keqian Gong 1 , Xiangyang Xu 1, 2 , Qi Liu 3 , Zexian Han 1 , Wei Huang 1 , Chenyu Huang 1 , Xiangning Huang 1
Journal of Applied Polymer Science ( IF 2.7 ) Pub Date : 2021-07-19 , DOI: 10.1002/app.51414 Keqian Gong 1 , Xiangyang Xu 1, 2 , Qi Liu 3 , Zexian Han 1 , Wei Huang 1 , Chenyu Huang 1 , Xiangning Huang 1
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Solution blending approach was introduced to prepare flexible Polycarbonate (PC)-based composited films with excellent transparent projection performance. After modified by an aluminate coupling agent DL-411(ACA-1), alumina (Al2O3) possesses improved dispersity. There may form oxygen bridge between aluminum atoms on Al2O3 and ACA-1. With the long aliphatic chain directing outwards, the compatibility between PC and modified Al2O3 was significantly improved. The dispersion of Al2O3 particles in PC was therewith promoted. After vacuum drying, well-blended mixtures were developed and PC films containing Al2O3 clusters can be prepared. The composite films have good light transmission and diffuse reflection effects. When Al2O3/PC mass ratio is beneath 0.2, the composited films possess excellent transparency comparable with pure PC film. The diffuse reflection performance of PC composite films is gradually enhanced with the increase of Al2O3 content. When Al2O3/PC ratio attains 0.1, the visible light reflectance amounts 15%, which can even exceed 30% with the ratio reaches 0.5. The composite films show improved resistance to UV irradiation as the visible light reflectance and transparency are comparable to un-radiated samples. The hydrophobicity of composite films with a certain Al2O3 amount increases, which brings forth good anti-moisture property for these transparent projection screen films.
中文翻译：
集成功能化氧化铝颗粒的聚碳酸酯基体柔性透明投影屏
引入溶液共混方法制备具有优异透明投影性能的柔性聚碳酸酯（PC）基复合薄膜。经过铝酸盐偶联剂DL-411(ACA-1)改性后，氧化铝(Al 2 O 3 )具有更好的分散性。在Al 2 O 3和ACA-1上的铝原子之间可能会形成氧桥。随着长脂肪链向外，PC与改性Al 2 O 3之间的相容性显着提高。从而促进了Al 2 O 3颗粒在PC中的分散。真空干燥后，形成充分混合的混合物，并形成含有 Al 2 O 的PC 薄膜可以准备3个簇。该复合膜具有良好的透光和漫反射效果。当Al 2 O 3 /PC质量比小于0.2时，复合薄膜具有与纯PC薄膜相当的透明性。PC复合薄膜的漫反射性能随着Al 2 O 3含量的增加而逐渐增强。当 Al 2 O 3/PC比达到0.1，可见光反射率为15%，达到0.5甚至可以超过30%。由于可见光反射率和透明度与未辐射的样品相当，因此复合薄膜对紫外线辐射的耐受性有所提高。加入一定量的Al 2 O 3复合膜的疏水性增加，这为这些透明投影屏幕膜带来了良好的防潮性能。
更新日期：2021-09-09
中文翻译：
集成功能化氧化铝颗粒的聚碳酸酯基体柔性透明投影屏
引入溶液共混方法制备具有优异透明投影性能的柔性聚碳酸酯（PC）基复合薄膜。经过铝酸盐偶联剂DL-411(ACA-1)改性后，氧化铝(Al 2 O 3 )具有更好的分散性。在Al 2 O 3和ACA-1上的铝原子之间可能会形成氧桥。随着长脂肪链向外，PC与改性Al 2 O 3之间的相容性显着提高。从而促进了Al 2 O 3颗粒在PC中的分散。真空干燥后，形成充分混合的混合物，并形成含有 Al 2 O 的PC 薄膜可以准备3个簇。该复合膜具有良好的透光和漫反射效果。当Al 2 O 3 /PC质量比小于0.2时，复合薄膜具有与纯PC薄膜相当的透明性。PC复合薄膜的漫反射性能随着Al 2 O 3含量的增加而逐渐增强。当 Al 2 O 3/PC比达到0.1，可见光反射率为15%，达到0.5甚至可以超过30%。由于可见光反射率和透明度与未辐射的样品相当，因此复合薄膜对紫外线辐射的耐受性有所提高。加入一定量的Al 2 O 3复合膜的疏水性增加，这为这些透明投影屏幕膜带来了良好的防潮性能。
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