Bis amide-aromatic-ureas—highly effective hydro- and organogelator systems |
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Authors: | BC Baker AL Acton GC Stevens W Hayes |
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Institution: | 1. Department of Chemistry, University of Reading, Whiteknights, Reading RG6 6AD, UK;2. Gnosys Global Ltd., 17-18 Frederick Sanger Road, The Surrey Research Park, Guildford, Surrey GU2 7YD, UK |
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Abstract: | A series of hydro- and organo-supergelators have been synthesised via coupling of simple bis aromatic-ureas via alkyl amide linkages. These bis amide-aromatic-ureas exhibited reduced critical gelator concentrations, improved gelator stability, mechanical and dye removal properties for potential use in water purification, in comparison to related bis aromatic-ureas. Systematic structure studies via variation of the bis amide-aromatic-urea linker length as well as functionalization of the terminal aromatic moieties have enabled control over the gel properties. |
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Keywords: | Hydrogelator Organogelator Supergelator Amide Urea |
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