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Tuning the aggregation behavior of pH-responsive micelles by copolymerization
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Wright, Daniel Bayham, Patterson, Joseph P., Pitto-Barry, Anaïs, Cotanda, Pepa, Chassenieux, Christophe, Colombani, Olivier and O'Reilly, Rachel K. (2015) Tuning the aggregation behavior of pH-responsive micelles by copolymerization. Polymer Chemistry, 6 (14). pp. 2761-2768. doi:10.1039/c4py01782j ISSN 1759-9954.
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Official URL: http://dx.doi.org/10.1039/C4PY01782J
Abstract
Amphiphilic diblock copolymers, poly(2-(diethylamino)ethyl methacrylate-co-2-(dimethylamino)ethyl methacrylate)-b-poly(2-(dimethylamino)ethyl methacrylate), P(DEAEMA-co-DMAEMA)-b-PDMAEMA with various amounts of DEAEMA have been synthesized by RAFT polymerization. Their micellization in water has been investigated by scattering measurements over a wide pH range. It appeared that the polymers self-assembled into pH sensitive star like micelles. For a given composition, when the pH is varied the extent of aggregation can be tuned reversibly by orders of magnitude. By varying the copolymer composition in the hydrophobic block, the onset and extent of aggregation were shifted with respect to pH. This class of diblock copolymer offers the possibility to select the range of stimuli-responsiveness that is useful for a given application, which can rarely be achieved with conventional diblock copolymers consisting of homopolymeric blocks.
| Item Type: | Journal Article | ||||||||||
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| Subjects: | Q Science > QD Chemistry | ||||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||||
| Library of Congress Subject Headings (LCSH): | Copolymers, Polymerization, Micelles | ||||||||||
| Journal or Publication Title: | Polymer Chemistry | ||||||||||
| Publisher: | Royal Society of Chemistry | ||||||||||
| ISSN: | 1759-9954 | ||||||||||
| Official Date: | 14 April 2015 | ||||||||||
| Dates: |
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| Volume: | 6 | ||||||||||
| Number: | 14 | ||||||||||
| Number of Pages: | 8 | ||||||||||
| Page Range: | pp. 2761-2768 | ||||||||||
| DOI: | 10.1039/c4py01782j | ||||||||||
| Status: | Peer Reviewed | ||||||||||
| Publication Status: | Published | ||||||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||||||
| Funder: | European Science Foundation (ESF), Engineering and Physical Sciences Research Council (EPSRC), BP (Firm), Birmingham Science City, Advantage West Midlands (AWM), European Regional Development Fund (ERDF) |
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