Sulfobetaine Cryogels for Preferential Adsorption of Methyl Orange from Mixed Dye Solutions
- New cryogels for selective dye removal from aqueous solution were prepared by free radical polymerization from the highly water-soluble crosslinker N,N,N’,N’-tetramethyl-N,N’-bis(2-ethylmethacrylate)-propyl-1,3-diammonium dibromide and the sulfobetaine monomer 2-(N-3-sulfopropyl-N,N-dimethyl ammonium)ethyl methacrylate. The resulting white and opaque cryogels have micrometer sized pores with a smaller substructure. They adsorb methyl orange (MO) but not methylene blue (MB) from aqueous solution. Mixtures of MO and MB can be separated through selective adsorption of the MO to the cryogels while the MB remains in solution. The resulting cryogels are thus candidates for the removal of hazardous organic substances, as exemplified by MO and MB, from water. Clearly, it is possible that the cryogels are also potentially interesting for removal of other compounds such as pharmaceuticals or pesticides, but this must be investigated further.
Author details: | Ramona IhlenburgORCiDGND, Anne-Catherine LehnenORCiD, Joachim KoetzORCiDGND, Andreas TaubertORCiDGND |
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DOI: | https://doi.org/10.3390/polym13020208 |
ISSN: | 2073-4360 |
Pubmed ID: | https://pubmed.ncbi.nlm.nih.gov/33435604 |
Title of parent work (English): | Polymers / Molecular Diversity Preservation International |
Publisher: | MDPI |
Place of publishing: | Basel |
Publication type: | Article |
Language: | English |
Date of first publication: | 2020/11/25 |
Publication year: | 2021 |
Release date: | 2021/01/13 |
Tag: | cryogel; dye mixture; dye removal; methyl orange; methylene blue; water treatment |
Volume: | 13 |
Issue: | 2 |
Article number: | 208 |
Number of pages: | 11 |
Funding institution: | Universität Potsdam |
Funding number: | PA 2020_129 |
Organizational units: | Mathematisch-Naturwissenschaftliche Fakultät / Institut für Chemie |
DDC classification: | 5 Naturwissenschaften und Mathematik / 54 Chemie / 540 Chemie und zugeordnete Wissenschaften |
Peer review: | Referiert |
Grantor: | Publikationsfonds der Universität Potsdam |
Publishing method: | Open Access / Gold Open-Access |
License (German): | CC-BY - Namensnennung 4.0 International |
External remark: | Zweitveröffentlichung in der Schriftenreihe Postprints der Universität Potsdam : Mathematisch-Naturwissenschaftliche Reihe ; 1093 |