High strength, thermostable and fast-drying hybrid transparent membranes with POSS nanoparticles aligned on aramid nanofibers
High strength, thermostable and fast-drying hybrid transparent membranes with POSS nanoparticles aligned on aramid nanofibers
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DOI：
10.1016/j.compositesa.2018.04.031
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发表时间：
2018-07-01
影响因子：
8.7
通讯作者：
Huang, Yudong
中科院分区：
文献类型：
--
作者：
Wang, Fang;Wu, Yadong;Huang, Yudong
通过溶液共混和真空辅助絮凝法制备了基于芳纶纳米纤维（ANFs）和不同含量多面体低聚倍半硅氧烷（POSS）纳米结构化学品的有机/无机杂化纳米复合材料。与传统的成膜方法相比，该方法采用乙醇作为凝聚剂，节省了时间。通过改变POSS的含量可以改变ANFPs膜的力学性能，其中POSS起到纳米纤维间交联剂的作用，当纳米复合材料中嵌入6 wt.%的POSS纳米颗粒时，ANFPs复合膜呈现出最佳的拉伸强度。除了令人满意的力学性能和玻璃质感外，ANFs和POSS独特的热性能进一步赋予了膜材料高的热稳定性。基于这些结果可以得出结论，本文所研制的ANFPs膜有望为制备高强度、透明且耐热的实用膜材料提供替代材料。
Hybrid organic/inorganic nanocomposites based on aramid nanofibers (ANFs) and different amounts of poly-hedral oligomeric silsesquioxane (POSS) nanostructured chemicals were prepared via solution blending and vacuum-assisted flocculation, compared with traditional film fabrication methods, this process is time-saving by adopting ethanol as agglomerator. The mechanical properties of ANFPs membranes could be altered by changing the POSS content, in which the POSS served as a cross-linking agent between nanofibers, and ANFPs composite membrane presented the optimal tensile strength with 6 wt.% POSS NPs embedding in the nanocomposite. In addition to the satisfactory mechanical performance and vitreousness, the unique thermal assets of ANFs and POSS further enabled the membranes with high thermal stability. Based on these results, it could be concluded that the ANFPs membranes developed here might provide the alternative materials for the practical application of strong, transparent and heat-resistant membrane.