化工新型材料

化工新型材料 ›› 2025, Vol. 53 ›› Issue (8) : 277-280. DOI: 10.19817/j.cnki.issn1006-3536.2025.08.020

开发与应用

超疏水Fe₃O₄/PDMS@MF泡沫的制备及其油水分离性能研究

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Preparation of superhydrophobic Fe₃O₄/PDMS@MF foam and its oil-water separation performance

Dai Xianzhi¹, Huang Haoran², Xie Hongxia², Chen Siyu², Zhao Chunxia²

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文章历史 +

Received		Published
2024-07-30		2025-08-20
Issue Date	Revised Date
2025-08-15	2024-07-30

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摘要

采用共沉淀法在三聚氰胺泡沫(MF)骨架上原位生长四氧化三铁(Fe₃O₄)纳米颗粒,以构筑粗糙界面;再通过聚二甲基硅氧烷(PDMS)对其低表面能修饰,制备出具有磁性响应的超疏水Fe₃O₄/PDMS@MF泡沫。结果表明:Fe₃O₄/PDMS@MF水静态接触角高达152.0°,饱和吸油量达51.9g/g。Fe₃O₄/PDMS@MF可通过重力过滤实现油水混合物分离,且可通过外加磁场驱动吸收水上浮油。采用简单、环保方法制备的超疏水Fe₃O₄/PDMS@MF泡沫在油水分离领域具有广阔的应用前景。

Abstract

Fe₃O₄ nanoparticles were in-situ grown on the melamine foam (MF) skeleton surface by coprecipitation method to build a rough interface.The foam was further modified by PDMS with low surface energy to prepare the superhydrophobic Fe₃O₄/PDMS@MF with magnetic response.The research results showed that the water static contact angle of Fe₃O₄/PDMS@MF was as high as 152.0°,and the saturated oil absorption capacity was 51.9g/g.The Fe₃O₄/PDMS@MF could achieve oil/water mixture separation through gravity filtration,and could absorb floating oil on water surface driven by an external magnetic field.The super hydrophobic Fe₃O₄/PDMS@MF prepared by this simple and environmentally friendly strategy has a certain application prospect in the field of oil/water separation.

关键词

四氧化三铁 / 聚二甲基硅氧烷 / 超疏水 / 三聚氰胺泡沫 / 油水分离

Key words

Fe₃O₄ / polydimethylsiloxane / superhydrophobicity / melamine foam / oil/water separation

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超疏水Fe₃O₄/PDMS@MF泡沫的制备及其油水分离性能研究[J]. 化工新型材料, 2025, 53(8): 277-280 DOI:10.19817/j.cnki.issn1006-3536.2025.08.020

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