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首页> 外文期刊>Composites Science and Technology >Strong, transparent and flexible aramid nanofiber/POSS hybrid organic/inorganic nanocomposite membranes
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Strong, transparent and flexible aramid nanofiber/POSS hybrid organic/inorganic nanocomposite membranes

机译：坚固，透明和柔性的芳族聚酰胺纳米纤维/ POSS杂化有机/无机纳米复合膜

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摘要

Mechanical performance, transparency and thermal stability still remain the dominating constraints for the application of polymeric composite membranes. Thus, the research and development of co-effectively strong, transparent and heat-resistant membranes are necessary and significant for promoting practical outcomes. POSS NPs is incorporate into the structure of aramid nanofibers (ANFs) to synthesize the ANFPs nanocomposite membranes with different amounts of POSS by vacuum-assisted flocculation. FT-IR and XPS were applied to characterize the structure of composite membranes. Upon the addition of POSS, the surface topological structures of composite membranes were not affected, and they retained excellent transparency and flexibility. 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 embedding in the nanocomposite. Besides the excellent mechanical performance and transparency, 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. (C) 2018 Elsevier Ltd. All rights reserved.
机译：机械性能，透明度和热稳定性仍然是聚合物复合膜应用的主要限制因素。因此，有效提高强度，透明性和耐热性的膜的研究和开发对于促进实际结果是必要的，也是重要的。 POSS NP被并入芳族聚酰胺纳米纤维（ANFs）的结构中，通过真空辅助絮凝法合成具有不同POSS量的ANFPs纳米复合膜。 FT-IR和XPS用于表征复合膜的结构。加入POSS后，复合膜的表面拓扑结构不受影响，并且保留了优异的透明度和柔韧性。可以通过改变POSS含量来改变ANFPs膜的机械性能，其中POSS充当纳米纤维之间的交联剂，而ANFPs复合膜表现出最佳的拉伸强度，其中POSS嵌入纳米复合材料的含量为6 wt％。除了出色的机械性能和透明度外，ANF和POSS的独特热资产进一步使该膜具有较高的热稳定性。根据这些结果，可以得出结论，此处开发的ANFPs膜可能为坚固，透明和耐热的膜的实际应用提供替代材料。 （C）2018 Elsevier Ltd.保留所有权利。

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  • 来源
    《Composites Science and Technology》 |2018年第1期|269-275|共7页
  • 作者

    Wang Fang; Wu Yadong; Huang Yudong; Liu Li;

  • 作者单位

    Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Heilongjiang, Peoples R China;

    Harbin Inst Technol, Sch Chem & Chem Engn, MIIT Key Lab Crit Mat Technol New Energy Convers, Harbin 150001, Heilongjiang, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Aramid nanofiber; POSS; ANFPs composite membrane; Tensile strength; Transparency and flexibility;

    机译：芳纶纳米纤维;POSS;ANFPs复合膜;拉伸强度;透明度和柔韧性;

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