dc.contributor.author | Cook, Michael T. | |
dc.contributor.author | Rajbanshi, Abhishek | |
dc.contributor.author | Achampong, Daniel | |
dc.contributor.author | Dreiss, Cécile A. | |
dc.contributor.author | Alves da Silva, Marcelo | |
dc.contributor.author | Porcar, Lionel | |
dc.contributor.author | Mahmoudi, Najet | |
dc.contributor.author | Maestro, Armando | |
dc.contributor.author | Tummino, Andrea | |
dc.contributor.author | Gutfreund, Philipp | |
dc.date.accessioned | 2022-10-25T16:30:02Z | |
dc.date.available | 2022-10-25T16:30:02Z | |
dc.date.issued | 2022-08-21 | |
dc.identifier.citation | Cook , M T , Rajbanshi , A , Achampong , D , Dreiss , C A , Alves da Silva , M , Porcar , L , Mahmoudi , N , Maestro , A , Tummino , A & Gutfreund , P 2022 , ' Engineering thermoresponsive emulsions with branched copolymer surfactants ' , Macromolecular Materials and Engineering . https://doi.org/10.1002/mame.202200321 | |
dc.identifier.issn | 1438-7492 | |
dc.identifier.other | Jisc: 547251 | |
dc.identifier.other | ORCID: /0000-0002-5061-2713/work/155015294 | |
dc.identifier.uri | http://hdl.handle.net/2299/25845 | |
dc.description | © 2022 The Authors. Macromolecular Materials and Engineering published by Wiley-VCH GmbH. This is an open access article under the terms of the Creative Commons Attribution License, https://creativecommons.org/licenses/by/4.0/ | |
dc.description.abstract | This study describes thermo‐rheological properties of branched copolymer surfactants (BCSs) stabilizing oil‐in‐water emulsions to generate materials exhibiting temperature‐dependent gelation with the ability to solubilize a broad range of molecules. Four poly(N‐isopropylacrylamide‐ran‐poly(ethylene glycol) methacrylate) (poly(NIPAM‐ran‐PEGMA)) BCSs with varying molecular weight (Mn), 4.7; 7.0; 7.8 and 9.0 kg mol−1, are investigated via oscillatory shear rheology, small angle neutron scattering (SANS), and neutron reflectivity (NR). Rheological thermoscans show that emulsions stabilized by the BCS with the lowest Mn (4.7 kg mol−1) are thermo‐thinning, while with the other BCSs the emulsions display a thermo‐thickening behavior. Emulsions stabilized with the BCS with Mn = 7.8 kg mol−1 form gels within a precise temperature window depending on BCS concentration. Small angle neutron scattering data analysis suggests that the BCS is present in two forms in equilibrium, small aggregates dispersed in the bulk water and an adsorbed polymeric layer at the oil/water interface. Changes in dimensions of these structures with temperature correlate with the macroscopic thermo‐thinning/thermo‐thickening behavior observed. Neutron reflectivity is conducted at the oil/water interface to allow further elucidation of BCS behavior in these systems. | en |
dc.format.extent | 14 | |
dc.format.extent | 3081645 | |
dc.language.iso | eng | |
dc.relation.ispartof | Macromolecular Materials and Engineering | |
dc.subject | emulsion engineering | |
dc.subject | thermoreversible gels | |
dc.subject | small angle neutron scattering | |
dc.subject | Research Articles | |
dc.subject | Research Article | |
dc.subject | Materials Chemistry | |
dc.subject | General Chemical Engineering | |
dc.subject | Polymers and Plastics | |
dc.subject | Organic Chemistry | |
dc.title | Engineering thermoresponsive emulsions with branched copolymer surfactants | en |
dc.contributor.institution | Centre for Research into Topical Drug Delivery and Toxicology | |
dc.contributor.institution | Department of Clinical, Pharmaceutical and Biological Science | |
dc.contributor.institution | School of Life and Medical Sciences | |
dc.description.status | Peer reviewed | |
dc.identifier.url | http://www.scopus.com/inward/record.url?scp=85136523635&partnerID=8YFLogxK | |
rioxxterms.versionofrecord | 10.1002/mame.202200321 | |
rioxxterms.type | Journal Article/Review | |
herts.preservation.rarelyaccessed | true | |