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首页> 外文期刊>RSC Advances >Highly transparent and flexible silica/cellulose films with a low coefficient of thermal expansion
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Highly transparent and flexible silica/cellulose films with a low coefficient of thermal expansion

机译：高度透明和柔性的二氧化硅/纤维素膜，热膨胀系数低

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摘要

Highly transparent and flexible silica/cellulose films with low thermal expansion coefficients have been prepared by the in situ synthesis of silica in cellulose scaffolds using Na2SiO3 as a precursor. The low content of silica in the composite films had an influence on the tensile strength of the composites. Furthermore, the composite films integrated the merits of cellulose and silica. The transmittance of the composite films in the visible light region were comparable to that of glass, but the films were foldable. Moreover, the composite films had CTEs lower than 15 ppm K-1. The composite films would be the perfect substrates for the future production of electronic devices, such as flexible displays and e-papers, and could replace costly conventional batch processes based on the glass substrates currently used, and eventually be applied to rollable and even foldable devices.
机译：已经通过使用Na 2 SiO 3作为前体在纤维素支架中原位合成二氧化硅来制备具有低热膨胀系数的高度透明和柔性的二氧化硅/纤维素膜。复合膜中二氧化硅的含量低对复合材料的拉伸强度有影响。此外，复合膜结合了纤维素和二氧化硅的优点。复合膜在可见光区域的透射率与玻璃相当，但是膜是可折叠的。而且，复合膜的CTE低于15ppm K-1。复合膜将是未来电子设备（如柔性显示器和电子纸）生产的理想基材，并且可以取代基于当前使用的玻璃基材的昂贵的常规批处理工艺，最终将其应用于可卷曲甚至可折叠的设备。

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