聚乙烯醇缩丁醛纳米复合材料在环境设计中的应用

Application of Poly (vinylbutyral) SiO_2 Nanocomposites in Environment Design

综述了聚乙烯醇缩丁醛/纳米复合材料的国内外制备现状,介绍了纳米复合材料的发展、分类、结构与性能及PVB的广泛用途;并展望了其未来研究的发展方向以及在环境设计中的应用.通过采用共混法在聚乙烯醇缩丁醛材料中引入纳米SiO2粒子制备了均匀的PVB/SiO2复合材料.以UV-VIS,FT-IR,XRD,SEM等现代测试手段表征了材料的微观形貌、结构和光学性能.结果表明:由于纳米SiO2粒子的引入,使PVB/SiO2复合材料具有良好的紫外线屏蔽性能.同时,材料的韧性得到明显提高,其断裂伸长率为纯PVB材料的8倍.具有一定的工业应用前景.尤其,能够解决环境设计中相关材料的光污染问题.

Firstly,a general introduction of history, sorts, structure and properties of nanocomposites and the great utilities of Poly (vinyl butyral) is introduced, then preparation status of PVB/SiO2 nanocomposites is reviewed,including domestic and abroad. In addition,the future research tendency was also outlined. And the application in environment design.Poly (vinyl butyral)/Silica nanocomposite materials in which the content of nano-sized silica is varied. The microstructure, morphology and optical properties o...