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Microphase separation of highly amphiphilic, low N polymers by photoinduced copper-mediated polymerization, achieving sub-2 nm domains at half-pitch
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Hancox, Ellis, Liarou, Evelina, Town, James, Jones, Glen R., Layton, Siân A., Huband, Steven, Greenall, Martin J., Topham, Paul D. and Haddleton, David M. (2019) Microphase separation of highly amphiphilic, low N polymers by photoinduced copper-mediated polymerization, achieving sub-2 nm domains at half-pitch. Polymer Chemistry, 10 (46). pp. 6254-6259. doi:10.1039/c9py01312a ISSN 1759-9954.
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Official URL: https://doi.org/10.1039/c9py01312a
Abstract
The lower limit of domain size resolution using microphase separation of short poly(acrylic acid) homopolymers equipped with a short fluorinated tail, posing as an antagonist ‘A block’ in pseudo AB block copolymers has been investigated. An alkyl halide initiator with a fluorocarbon chain was utilized as a first ‘A block’ in the synthesis of low molecular weight polymers (1400–4300 g mol−1) using photoinduced Cu(II)-mediated polymerization allowing for very narrow dispersity. Poly(tert-butyl acrylate) was synthesized and subsequently deprotected to give very low degrees of polymerization (N), amphiphilic polymers with low dispersity (Đ = 1.06–1.13). By exploiting the high driving force for demixing and the well-defined ‘block’ sizes, we are able to control the nanostructure in terms of domain size (down to 3.4 nm full-pitch) and morphology. This work demonstrates the simple and highly controlled synthesis of polymers to push the boundaries of the smallest achievable domain sizes obtained from polymer self-assembly.
Item Type: | Journal Article | |||||||||
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Subjects: | Q Science > QD Chemistry | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry Faculty of Science, Engineering and Medicine > Science > Physics |
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SWORD Depositor: | Library Publications Router | |||||||||
Library of Congress Subject Headings (LCSH): | Polymers, Amphiphiles, Copper catalysts, Chemical bonds, Polymerization | |||||||||
Journal or Publication Title: | Polymer Chemistry | |||||||||
Publisher: | Royal Society of Chemistry | |||||||||
ISSN: | 1759-9954 | |||||||||
Official Date: | 14 December 2019 | |||||||||
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Volume: | 10 | |||||||||
Number: | 46 | |||||||||
Page Range: | pp. 6254-6259 | |||||||||
DOI: | 10.1039/c9py01312a | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
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