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Macroporous sulfur polymers from a sodium chloride porogen—a low cost, versatile remediation material

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Abstract

Recent research has demonstrated that it is possible to generate polymers from elemental sulfur and a variety of organic crosslinkers using the so called ‘inverse vulcanisation’ process. The polymerisation is solvent free, self-initiating and has a high atom economy (>90%). A variety of applications have been demonstrated but the most pertinent is the sequestration of heavy metals. Effective sorbents usually possess a degree of porosity, herein we demonstrate the generation of a macroporous thiopolymer matrix and we test it's ability to remove aqueous mercury chloride from solution. It was found that the macroporous polymer possessed a capacity of 2.27 mg g−1 (Langmuir) and a surface area of over 15 m2 g−1.

Graphical abstract: Macroporous sulfur polymers from a sodium chloride porogen—a low cost, versatile remediation material

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Publication details

The article was received on 07 Jun 2019, accepted on 17 Sep 2019 and first published on 18 Sep 2019


Article type: Paper
DOI: 10.1039/C9EW00477G
Environ. Sci.: Water Res. Technol., 2019, Advance Article

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    Macroporous sulfur polymers from a sodium chloride porogen—a low cost, versatile remediation material

    S. Petcher, D. J. Parker and T. Hasell, Environ. Sci.: Water Res. Technol., 2019, Advance Article , DOI: 10.1039/C9EW00477G

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