Superhydrophobic melamine sponge prepared by radiation-induced grafting technology for efficient oil–water separation

IF 3.6 1区 物理与天体物理 Q1 NUCLEAR SCIENCE & TECHNOLOGY Nuclear Science and Techniques Pub Date : 2024-08-28 DOI:10.1007/s41365-024-01507-0
Ying Sun, Wen-Rui Wang, Dan-Yi Li, Si-Yi Xu, Lin Lin, Man-Li Lu, Kai Fan, Chen-Yang Xing, Lin-Fan Li, Ji-Hao Li
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Abstract

This paper presents a superhydrophobic melamine (ME) sponge (ME-g-PLMA) prepared via high-energy radiation-induced in situ covalent grafting of long-alkyl-chain dodecyl methacrylate (LMA) onto an ME sponge for efficient oil–water separation. The obtained ME-g-PLMA sponge had an excellent pore structure with superhydrophobic (water contact angle of \(154^\circ\)) and superoleophilic properties. It can absorb various types of oils up to 66–168 times its mass. The ME-g-PLMA sponge can continuously separate oil slicks in water by connecting a pump or separating oil underwater with a gravity-driven device. In addition, it maintained its highly hydrophobic properties even after long-term immersion in different corrosive solutions and repeated oil adsorption. The modified ME-g-PLMA sponge exhibited excellent separation properties and potential for oil spill cleanup.

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利用辐射诱导接枝技术制备超疏水三聚氰胺海绵,实现高效油水分离
本文通过高能辐射诱导长烷基链甲基丙烯酸十二烷基酯(LMA)原位共价接枝到三聚氰胺(ME)海绵上,制备了一种超疏水三聚氰胺(ME)海绵(ME-g-PLMA),用于高效油水分离。得到的 ME-g-PLMA 海绵具有优异的孔隙结构,具有超疏水性(水接触角为 \(154^\circ\))和超亲油性。它吸收各种油类的能力可达其质量的 66-168 倍。ME-g-PLMA 海绵可以通过连接泵或重力驱动装置在水下连续分离水中的浮油。此外,即使长期浸泡在不同的腐蚀性溶液中并反复吸附油类,它仍能保持其高度疏水的特性。改性 ME-g-PLMA 海绵具有出色的分离性能和溢油清理潜力。
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来源期刊
Nuclear Science and Techniques
Nuclear Science and Techniques 物理-核科学技术
CiteScore
5.10
自引率
39.30%
发文量
141
审稿时长
5 months
期刊介绍: Nuclear Science and Techniques (NST) reports scientific findings, technical advances and important results in the fields of nuclear science and techniques. The aim of this periodical is to stimulate cross-fertilization of knowledge among scientists and engineers working in the fields of nuclear research. Scope covers the following subjects: • Synchrotron radiation applications, beamline technology; • Accelerator, ray technology and applications; • Nuclear chemistry, radiochemistry, radiopharmaceuticals, nuclear medicine; • Nuclear electronics and instrumentation; • Nuclear physics and interdisciplinary research; • Nuclear energy science and engineering.
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