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Polymers 2016, 8(7), 266;

Rapid Mercury(II) Removal by Electrospun Sulfur Copolymers

Institute of Technical and Macromolecular Chemistry, University of Hamburg, Bundesstr. 45, 20146 Hamburg, Germany
Hamburg School of Food Science, University of Hamburg, Grindelallee 117, 20146 Hamburg, Germany
Author to whom correspondence should be addressed.
Academic Editor: André Laschewsky
Received: 16 June 2016 / Revised: 8 July 2016 / Accepted: 14 July 2016 / Published: 20 July 2016
(This article belongs to the Special Issue Polymers for Aqueous Media)
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Electrospinning was performed with a blend of commercially available poly(methyl methacrylate) (PMMA) and a sulfur-rich copolymer based on poly(sulfur-statistical-diisopropenylbenzene), which was synthesized via inverse vulcanization. The polysulfide backbone of sulfur-containing polymers is known to bind mercury from aqueous solutions and can be utilized for recycling water. Increasing the surface area by electrospinning can maximize the effect of binding mercury regarding the rate and maximum uptake. These fibers showed a mercury decrease of more than 98% after a few seconds and a maximum uptake of 440 mg of mercury per gram of electrospun fibers. These polymeric fibers represent a new class of efficient water filtering systems that show one of the highest and fastest mercury uptakes for electrospun fibers reported. View Full-Text
Keywords: electrospinning; inverse vulcanization; sulfur; mercury removal; polysulfide electrospinning; inverse vulcanization; sulfur; mercury removal; polysulfide

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Thielke, M.W.; Bultema, L.A.; Brauer, D.D.; Richter, B.; Fischer, M.; Theato, P. Rapid Mercury(II) Removal by Electrospun Sulfur Copolymers. Polymers 2016, 8, 266.

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