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Synthesis of microcapsules via reactive surfactants
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Limer, Adam, Gayet, Florence, Jagielski, Nicole, Heming, Alex, Shirley, I. (Ian) and Haddleton, David M. (2011) Synthesis of microcapsules via reactive surfactants. Soft Matter, Vol.7 (No.11). pp. 5408-5416. doi:10.1039/c1sm05143a ISSN 1744-683X.
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Official URL: http://dx.doi.org/10.1039/c1sm05143a
Abstract
A statistical library of well-defined ionic and non-ionic amphiphilic block copolymers of P(MMA/HEMA)-b-PDMAEMA and PEG-b-P(MMA/HEMA) were synthesised via living radical polymerisation employing the macroinitiator technique. All the block copolymers show monomodal peaks and narrow weight distributions, indicating they were obtained in controlled manner. Those copolymers were further modified in order to prepare inisurfs and surfmers. This yielded a selection of active surfactants of desired molecular weight and low polydispersity. Soap-free miniemulsion polymerisations of butyl methacrylate were carried out using the obtained active surfactants to prepare core-shell microcapsules in which various concentrations of inert oil, hexadecane, as a model system were encapsulated. The influence of the block copolymer structure on the particle formation was studied. The core-shell nature of the particles could be confirmed using scanning electron microscopy. Up to 66% of hexadecane could be incorporated in PBMA microcapsules.
| Item Type: | Journal Article | ||||
|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry T Technology > TP Chemical technology |
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| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||
| Library of Congress Subject Headings (LCSH): | Polymerization, Emulsion polymerization, Methyl methacrylate, Block copolymers, Crosslinking (Polymerization), Artificial cells | ||||
| Journal or Publication Title: | Soft Matter | ||||
| Publisher: | Royal Society of Chemistry | ||||
| ISSN: | 1744-683X | ||||
| Official Date: | 2011 | ||||
| Dates: |
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| Volume: | Vol.7 | ||||
| Number: | No.11 | ||||
| Page Range: | pp. 5408-5416 | ||||
| DOI: | 10.1039/c1sm05143a | ||||
| Status: | Peer Reviewed | ||||
| Publication Status: | Published | ||||
| Access rights to Published version: | Restricted or Subscription Access | ||||
| Funder: | Engineering and Physical Sciences Research Council (EPSRC), Syngenta Foundation for Sustainable Agriculture |
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