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Cellulose nanofibers/silk fibroin nanohybrid sponges with highly ordered and multi-scale hierarchical honeycomb structure

机译:纤维素纳米纤维/丝纤维蛋白纳米混衬,具有高度有序和多尺度等级蜂窝结构

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摘要

Highly ordered cellulose nanofibers/silk fibroin nanohybrid (CSN) honeycomb materials with multi-scale hierarchical architectures are successfully prepared from CSN hydrogel precursors using unidirectional freeze-drying technique. Cellulose nanofibers have an outstanding highly ordered honeycomb structure-directing function in composite hydrogel. However, silk fibroin does not have such function. Therefore, the properties of the CSN sponges can be effectively adjusted by simple changing the ratio of cellulose nanofibers to silk fibroin. When the content of silk fibroin reaches 50%, the CSN-50 sponge exhibits a nearly perfect highly ordered honeycomb structure with multi-scale hierarchical architectures. And the Brunauer-Emmett-Teller specific surface area is about 120 m(2) g(-1).
机译:高度有序的纤维素纳米纤维/丝素蛋白纳米含量(CSN)具有多尺度分层架构的蜂窝材料,采用单向冷冻干燥技术成功地从CSN水凝胶前体制备。 纤维素纳米纤维在复合水凝胶中具有出色的高度有序的蜂窝结构引导功能。 然而,丝素蛋白没有这样的功能。 因此,通过简单地改变纤维素纳米纤维与丝素蛋白的比例,可以有效地调节CSN海绵的性质。 当丝素蛋白的含量达到50%时,CSN-50海绵呈现出几乎完美的高度有序的蜂窝结构,具有多尺度的等级架构。 Brunauer-Emmett-Teller比表面积约为120米(2)G(-1)。

著录项

  • 来源
    《Cellulose》 |2018年第1期|共9页
  • 作者单位

    Zhengzhou Univ Light Ind Sch Mat &

    Chem Engn State Lab Surface &

    Interface Sci &

    Technol Zhengzhou 450002 Henan Peoples R China;

    Zhengzhou Univ Light Ind Sch Mat &

    Chem Engn State Lab Surface &

    Interface Sci &

    Technol Zhengzhou 450002 Henan Peoples R China;

    Zhengzhou Univ Light Ind Sch Mat &

    Chem Engn State Lab Surface &

    Interface Sci &

    Technol Zhengzhou 450002 Henan Peoples R China;

    Zhengzhou Univ Light Ind Sch Mat &

    Chem Engn State Lab Surface &

    Interface Sci &

    Technol Zhengzhou 450002 Henan Peoples R China;

    Zhengzhou Univ Light Ind Sch Mat &

    Chem Engn State Lab Surface &

    Interface Sci &

    Technol Zhengzhou 450002 Henan Peoples R China;

    Zhengzhou Univ Light Ind Sch Mat &

    Chem Engn State Lab Surface &

    Interface Sci &

    Technol Zhengzhou 450002 Henan Peoples R China;

    Zhengzhou Univ Light Ind Sch Mat &

    Chem Engn State Lab Surface &

    Interface Sci &

    Technol Zhengzhou 450002 Henan Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 有机化学;
  • 关键词

    Cellulose nanofibers; Silk fibroin; Nanohybrid sponges; Biomimetic honeycomb structure;

    机译:纤维素纳米纤维;丝素蛋白;纳米用海绵;仿生蜂窝结构;

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