Rapid Mercury(II) Removal by Electrospun Sulfur Copolymers

被引：87

作者：

Thielke, Michael W. ^{[1
]}

Bultema, Lindsey A. ^{[1
]}

Brauer, Daniel D. ^{[1
]}

Richter, Bernadette ^{[2
]}

Fischer, Markus ^{[2
]}

Theato, Patrick ^{[1
]}

机构：

[1] Univ Hamburg, Inst Tech & Macromol Chem, Bundesstr 45, D-20146 Hamburg, Germany

[2] Univ Hamburg, Hamburg Sch Food Sci, Grindelallee 117, D-20146 Hamburg, Germany

来源：

POLYMERS | 2016年 / 8卷 / 07期

关键词：

electrospinning; inverse vulcanization; sulfur; mercury removal; polysulfide; LI-S BATTERIES; ELEMENTAL SULFUR; INVERSE VULCANIZATION; FUNCTIONALIZED MONOLAYERS; NANOFIBER MEMBRANE; POLYMERS; WATER; ADSORPTION; SYSTEMS; CARBON;

D O I：

10.3390/polym8070266

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

Electrospinning was performed with a blend of commercially available poly(methylmethacrylate) (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.

引用

页数：9

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