Scholarlink

<p>Zirconium-based organic frameworks (MOFs) are effective in the decomposition of chemical warfare agents (CWAs), but current studies on protective equipment containing MOFs still face challenges in terms of the complexity of the preparation process, low loading of MOFs, and limited protective efficacy. Here, we report a UiO-66-NH<sub>2</sub>@ANF aerogel with low density, high specific surface area, high flexibility, and excellent mechanical properties by integrating UiO-66-NH<sub>2</sub> into aramid nanofibers (ANFs) through nucleophilic substitution modification method. The resultant aerogel exhibits a high MOF loading of 205.67% and a hierarchical porous structure, leading to a high removal rate of 96.81% for 2-chloroethyl ethyl thioether (CEES), with a short half-life of 16.35&#xa0;min. Additionally, the UiO-66-NH<sub>2</sub>@ANF aerogel demonstrates good compressive resilience and outstanding thermal insulation performance, with a thermal conductivity (λ) of 0.0274&#xa0;W∙m<sup>− 1</sup>∙K<sup>− 1</sup>, indicating significant potential in the protection against CWAs.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Metal–Organic Framework-Immobilized Aramid Nanofibers Aerogels for Chemical Warfare Agent Protection

  • 期刊论文

  • 发表日期：

    2026年3月20日

查看全文
  • Lei Shi,
  • Yinpeng Liu,
  • Hongyan Liu,
  • Yafang Li,
  • Xupin Zhuang,
  • Nan Jiang

摘要

Zirconium-based organic frameworks (MOFs) are effective in the decomposition of chemical warfare agents (CWAs), but current studies on protective equipment containing MOFs still face challenges in terms of the complexity of the preparation process, low loading of MOFs, and limited protective efficacy. Here, we report a UiO-66-NH2@ANF aerogel with low density, high specific surface area, high flexibility, and excellent mechanical properties by integrating UiO-66-NH2 into aramid nanofibers (ANFs) through nucleophilic substitution modification method. The resultant aerogel exhibits a high MOF loading of 205.67% and a hierarchical porous structure, leading to a high removal rate of 96.81% for 2-chloroethyl ethyl thioether (CEES), with a short half-life of 16.35 min. Additionally, the UiO-66-NH2@ANF aerogel demonstrates good compressive resilience and outstanding thermal insulation performance, with a thermal conductivity (λ) of 0.0274 W∙m− 1∙K− 1, indicating significant potential in the protection against CWAs.