Facile Preparation of Nanofiber Aerogel with Micrometer/Millimeter-Sized Pore Structures for Enhanced Oil Recovery Removal 


Vol. 26,  No. 7, pp. 2817-2825, Jul.  2025
10.1007/s12221-025-01021-z


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  Abstract

Nanofiber aerogels (NFAs) have emerged as attractive candidates in the field of oil recovery, thereby mitigating the threats of aquatic environmental pollution on human health. However, the development of advanced NFAs for highly efficient oil removal remains a challenge for materials scientists. In this work, the polyacrylonitrile/polybenzoxazine (PAN/PBA) NFAs with unique dual-scale porous structure consisting of interconnected micrometer- and millimeter-sized pores were successfully fabricated through a facile method. Benefiting from the three-dimensional hierarchical porous architecture, low surface energy of PBA, and robust bonding between PAN and PBA, the developed PAN/PBA-20 NFAs exhibit an ultralow density (8.45 mg cm-3), high hydrophobicity, and ultrahigh absorption capacity (73.81-146.57 g g-1) toward various organic solvents and oils. More importantly, the PAN/PBA NFAs are mechanically robust (they recover 91.71% of their original height after 200 cycles at 80% strain) and demonstrate excellent reusability (they retain more than 90.55% of their initial oil absorption capacity after 10 absorption–squeezing cycles). The novel design provides valuable guidance for the fabrication of advanced NFAs for oil-contaminated wastewater remediation.

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  Cite this article

[IEEE Style]

Z. Zheng, Y. Chen, Z. Yu, G. Jiang, "Facile Preparation of Nanofiber Aerogel with Micrometer/Millimeter-Sized Pore Structures for Enhanced Oil Recovery Removal," Fibers and Polymers, vol. 26, no. 7, pp. 2817-2825, 2025. DOI: 10.1007/s12221-025-01021-z.

[ACM Style]

Zhong Zheng, Yuchen Chen, Zuoxing Yu, and Guojun Jiang. 2025. Facile Preparation of Nanofiber Aerogel with Micrometer/Millimeter-Sized Pore Structures for Enhanced Oil Recovery Removal. Fibers and Polymers, 26, 7, (2025), 2817-2825. DOI: 10.1007/s12221-025-01021-z.

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