Morphology control of liposome: RAFT oligomer precursors to complex polymer nanostructures

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Morphology control of liposome: RAFT oligomer precursors to complex polymer nanostructures
Title:
Morphology control of liposome: RAFT oligomer precursors to complex polymer nanostructures
Journal Title:
Macromolecules
Keywords:
Publication Date:
11 December 2019
Citation:
Mohammad-Amin, M.; Tempelaar, S.; Herk, A. M. V.; Heuts, J. P. A., Morphology control of liposome : RAFT oligomer precursors to complex polymer nanostructures. Macromolecules 2019, 52 (24), 9476-9483.
Abstract:
Different types of butyl acrylate (BA)-co-acrylic acid (AA) oligomers were synthesized via reversible addition-fragmentation chain transfer (RAFT) polymerization and mixed with extruded 200 nm dimethyldioctadecylammonium bromide vesicles. The resulting precursor structures form the basis for subsequent vesicle-templated polymerizations. Systematic variations in temperature, pH, oligomer length, and oligomer composition and their effects on precursor morphology were studied. Surprisingly, different morphologies were obtained, including capsules, protruded capsules, solid spheres, and multicompartment structures. For example, capsules and multicompartment structures were found to result from higher AA contents, and protruded capsules and solid particles resulted from lower AA contents. Subsequent chain extension of the RAFT oligomers resulted in polymer nanostructures resembling the precursor morphologies.
License type:
http://creativecommons.org/licenses/by-nc-nd/4.0/
Funding Info:
This work was partially supported by Stichting Emulsion Polymerization.
Description:
This Open Access (OA) document is the Published Work that appeared in final form in Macromolecules, see https://doi.org/10.1021/acs.macromol.9b02182, copyright © American Chemical Society after peer review and technical editing by the publisher.
ISSN:
0024-9297
1520-5835
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