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Multifunctional Porous and Magnetic Silicone with High Elasticity, Durability, and Oil-Water Separation Properties

Wang, X; Lu, Y; Carmalt, CJ; Parkin, IP; Zhang, X; (2018) Multifunctional Porous and Magnetic Silicone with High Elasticity, Durability, and Oil-Water Separation Properties. Langmuir , 34 (44) pp. 13305-13311. 10.1021/acs.langmuir.8b02899.

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Abstract

Frequent oil spills and industrial emissions of organic solvents cause serious environmental problems. Therefore, finding a high-performance absorbent material is necessary but also challenging. Here we present a very simple method to fabricate a magnetic porous silicone that exhibits excellent absorbency, fast magnetic responsiveness, high elasticity, stretchability, and high chemical stability. The porous silicone instantly adsorbs any oil floating on water in a complex environment under magnetic field driving, without human operation, and can also separate the oil/water mixture automatically and quickly at high efficiency using an external pump. The oil absorption capacity and mechanical properties, such as compressibility and stretchability, were robust even under corrosive conditions or UV exposure. The robust, reusable magnetic porous silicone is a promising candidate for the large-scale industrial separation of organic solvents/water mixtures in harsh conditions.

Type: Article
Title: Multifunctional Porous and Magnetic Silicone with High Elasticity, Durability, and Oil-Water Separation Properties
Location: United States
DOI: 10.1021/acs.langmuir.8b02899
Publisher version: http://dx.doi.org/10.1021/acs.langmuir.8b02899
Language: English
Additional information: This version is the author accepted manuscript. For information on re-use, please refer to the publisher’s terms and conditions.
Keywords: Magnetic silicone; Robust; Elastic; Porous; Oil/water separation
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Mechanical Engineering
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > Dept of Chemistry
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Maths and Physical Sciences > MAPS Faculty Office
URI: http://discovery.ucl.ac.uk/id/eprint/10060765
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