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Abstract <p>We have successfully developed a superhydrophobic and superoleophilic cellulose paper by in&#xa0;situ formation of polyhedral oligomeric silsesquioxane (POSS) blocks on its surface. These POSS blocks endow the cellulose paper with an optimal micro-nano structure and hydrophobic composition, resulting in superhydrophobicity and enhanced abrasion resistance. The modified cellulose paper was characterized using scanning electron microscopy, energy dispersion spectroscopy, X-ray photoelectron spectroscopy, and X-ray diffraction analysis to confirm the structures. The oil-water separation performance of the as-prepared paper was validated through preferential adsorption and gravity-driven separation processes, demonstrating high separation efficiency and throughput for various oil/water mixtures. This innovative approach provides a promising solution for large-scale oil spill accidents while offering excellent reusability and stability.</p>

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Facile Fabrication of Polyhedral Oligomeric Silsesquioxane Block Bonded Cellulose Paper for Efficient Oil/Water Separation

  • 期刊论文

  • 发表日期：

    2025年2月1日

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  • Xiaowu Jiang,
  • Xiang Tan,
  • Rongheng Xu,
  • Enzhao Fang,
  • Chi Yuan,
  • Zihan Bai,
  • Xiaoyan Gao,
  • Lingni Ni

摘要

Abstract

We have successfully developed a superhydrophobic and superoleophilic cellulose paper by in situ formation of polyhedral oligomeric silsesquioxane (POSS) blocks on its surface. These POSS blocks endow the cellulose paper with an optimal micro-nano structure and hydrophobic composition, resulting in superhydrophobicity and enhanced abrasion resistance. The modified cellulose paper was characterized using scanning electron microscopy, energy dispersion spectroscopy, X-ray photoelectron spectroscopy, and X-ray diffraction analysis to confirm the structures. The oil-water separation performance of the as-prepared paper was validated through preferential adsorption and gravity-driven separation processes, demonstrating high separation efficiency and throughput for various oil/water mixtures. This innovative approach provides a promising solution for large-scale oil spill accidents while offering excellent reusability and stability.