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A new family of urea-based low molecular-weight organogelators for environmental remediation: the influence of structure

William J. Peveler, Hollie Packman, Shirin Alexander Orcid Logo, Raamanand R. Chauhan, Lilian M. Hayes, Thomas J. Macdonald, Jeremy K. Cockcroft, Sarah Rogers, Dirk G. A. L. Aarts, Claire J. Carmalt, Ivan P. Parkin, Joseph C. Bear

Soft Matter, Volume: 14, Issue: 43, Pages: 8821 - 8827

Swansea University Author: Shirin Alexander Orcid Logo

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DOI (Published version): 10.1039/C8SM01682H

Abstract

Gelation processes grant access to a wealth of soft materials with tailorable properties, in applications as diverse as environmental remediation, biomedicene and electronics. Several classes of self-assembling gelators have been studied and employ non-covalent bonds to direct assembly, but recently...

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Published in: Soft Matter
ISSN: 1744-683X 1744-6848
Published: RSC 2018
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URI: https://cronfa.swan.ac.uk/Record/cronfa44857
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Abstract: Gelation processes grant access to a wealth of soft materials with tailorable properties, in applications as diverse as environmental remediation, biomedicene and electronics. Several classes of self-assembling gelators have been studied and employ non-covalent bonds to direct assembly, but recently attention has come to focus on how the overall shape of the gelator molecule impacts its gelation. Here we study a new sub-family of low molecular weight organogelators and explore how steric rearrangement influences their gelation. The gels produced are characterised with X-ray diffraction and Small- Angle neutron scattering (SANS) to probe their ex-situ and in-situ gelation mechanisms. The best examples were then tested for environmental remediation applications, gelling petrol and oils in the presence of water and salts.
Keywords: Organogels, Neutron Scattering
College: Faculty of Science and Engineering
Issue: 43
Start Page: 8821
End Page: 8827

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