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Methacrylic block copolymers by sulfur free RAFT (SF RAFT) free radical emulsion polymerisation
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Nurumbetov, Gabit, Engelis, Nikolaos, Godfrey, Jamie, Hand, Rachel Alice, Anastasaki, Athina, Simula, Alexandre, Nikolaou, Vasiliki and Haddleton, David M. (2017) Methacrylic block copolymers by sulfur free RAFT (SF RAFT) free radical emulsion polymerisation. Polymer Chemistry (6). pp. 1084-1094. doi:10.1039/C6PY02038K ISSN 1759-9954.
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Official URL: http://dx.doi.org/10.1039/C6PY02038K
Abstract
We demonstrate the use of sulfur free reversible addition-fragmentation chain transfer polymerisation (RAFT as a versatile tool for the controlled synthesis of methacrylic block and comb-like copolymers. Sulfur free RAFT (SF-RAFT) utilises vinyl terminated macromonomers obtained via catalytic chain transfer polymerisation (CCTP) of methacrylates as a chain transfer agent (CTA), and thus precluding adverse aspects of the RAFT such as toxicity of dithioesters. We have synthesised a range of narrow dispersity block copolymers (Đ < 1.2) and comb-like macromolecules by employing emulsion polymerisation allowing for the preparation of relatively large quantities (~50 g) of the above mentioned copolymers promptly and straightforwardly. Copolymers were characterised using 1H NMR, size exclusion chromatography (SEC), thermogravimetric analysis (TGA) and matrix-assisted laser desorption/ionization time of flight mass spectroscopy (MALDI-TOF-MS) techniques.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | Q Science > QD Chemistry | ||||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Chemistry | ||||||||
| Library of Congress Subject Headings (LCSH): | Polymerization, Fragmentation reactions | ||||||||
| Journal or Publication Title: | Polymer Chemistry | ||||||||
| Publisher: | Royal Society of Chemistry | ||||||||
| ISSN: | 1759-9954 | ||||||||
| Official Date: | 14 February 2017 | ||||||||
| Dates: |
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| Number: | 6 | ||||||||
| Page Range: | pp. 1084-1094 | ||||||||
| DOI: | 10.1039/C6PY02038K | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Date of first compliant deposit: | 5 January 2017 | ||||||||
| Date of first compliant Open Access: | 23 December 2017 | ||||||||
| Funder: | Seventh Framework Programme (European Commission) (FP7), Lubrizol Ltd. | ||||||||
| Grant number: | (NMP2-SL-2012-280827 |
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