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author:

Hanwen Hu (Hanwen Hu.) [1] | Yu Li (Yu Li.) [2] | Xiansheng Hong (Xiansheng Hong.) [3] | Qian Li (Qian Li.) [4] | Ranyi Rao (Ranyi Rao.) [5] | Ziyu Gong (Ziyu Gong.) [6] | Yuying Zheng (Yuying Zheng.) [7] (Scholars:郑玉婴)

Abstract:

Cleanup of oil spills has become one of the most challenging tasks in recent years, as marine oil spills have had a great negative impact on human health and the ecological environment. This also urgently requires the development of new materials and methods with superhydrophobic properties for oil–water separation. As new porous materials, metal–organic frameworks (MOFs) have attracted much attention due to their unique structures and fascinating properties. However, powdered MOF materials are difficult to recycle, and therefore, suitable substrates need to be selected to construct superhydrophobic composites. The surface hydroxyl groups of cellulose fibers offer great possibilities for their superhydrophobic preparation. In this paper, HDTMS‐UiO‐66@CFs composites with superhydrophobicity were strategically synthesized by in‐situ growth of Zr(IV)‐based MOFs linked to hexadecyltrimethoxysilane (HDTMS) on cellulosic fibers (cotton fabric) by using a hydrothermal synthesis method. The HDTMS‐UiO‐66@CFs composites have a water contact angle of 172° and the absorption capacity of light oil and heavy oil is more than 1100%, and the oil–water separation efficiency is as high as 96%. Due to the in‐situ growth of the HDTMS‐UiO‐66 material on cotton fibers, which makes the material more resistant and stable, the material can still maintain its superhydrophobic properties in various harsh environments and after repeated use. Therefore, the newly developed HDTMS‐UiO‐66@CFs composites have a high potential as novel adsorbent materials for cleaning up offshore oil spills and other applications.HighlightsIn‐situ growth of superhydrophobic metal‐organic frameworks (MOF) particles on cellulose fibers.The porous structure of hexadecyltrimethoxysilane (HDTMS)‐UiO66 plays a key role in hydrophobicity.HDTMS‐UiO66@CFs are chemically stable and have long‐term durability.

Keyword:

cotton fabrics hydrophobicity oil—water separation zirconium-based metal-organic framework

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Source :

Polymer Engineering & Science

ISSN: 0032-3888

Year: 2024

Issue: 5

Volume: 64

Page: 1981-1992

3 . 2 0 0

JCR@2023

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ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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