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Aqueous copper-mediated reversible deactivation radical polymerization (RDRP) utilizing polyetheramine derived initiators
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Zhang, Jirui, Liarou, Evelina, Town, James, Li, Yongguang, Wemyss, Alan M. and Haddleton, David M. (2020) Aqueous copper-mediated reversible deactivation radical polymerization (RDRP) utilizing polyetheramine derived initiators. Polymer Chemistry, 11 (34). pp. 5534-5541. doi:10.1039/d0py00555j ISSN 1759-9954.
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Official URL: https://doi.org/10.1039/d0py00555j
Abstract
Copper-mediated reversible deactivation radical polymeriation (Cu-RDRP) in aqueous media has been employed to synthesize temperature-responsive block copolymers, utilizing both hydrophobic and hydrophilic amide functional macroinitiators derived from polyetheramines (Jeffamines™). The in situ and rapid diproportionation of Cu(I)Br/Me6TREN in water is exploited for the efficient homopolymerization of N-isopropyl acrylamide (NIPAM) and dimethyl acrylamide (DMA), at near full conversions (>99%), with low dispersity (Đ < 1.18) and with a range of molar masses. The Jeffamine™-derived macroinitiators were used for both the synthesis of homopolymer and for one-pot chain extensions and block copolymerizations (i.e. Jeffamine™-PNIPAM-b-PDMA). The obtained polymers exhibit controlled thermoresponsive aggregation behaviour which varies depending on the hydrophilicity/hydrophobicity of the macroinitiators and the composition of the block copolymers. Thermal analysis and dynamic light scattering (DLS) give an insight into the effect of these macroinitiators on the thermoresponsive aggregation behaviour of the synthesized polymers.
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): | Polymerization, Polyethers, Radicals (Chemistry), Copper catalysts | ||||||||||||
Journal or Publication Title: | Polymer Chemistry | ||||||||||||
Publisher: | Royal Society of Chemistry | ||||||||||||
ISSN: | 1759-9954 | ||||||||||||
Official Date: | 3 August 2020 | ||||||||||||
Dates: |
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Volume: | 11 | ||||||||||||
Number: | 34 | ||||||||||||
Page Range: | pp. 5534-5541 | ||||||||||||
DOI: | 10.1039/d0py00555j | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||||||
Date of first compliant deposit: | 8 July 2020 | ||||||||||||
Date of first compliant Open Access: | 22 September 2020 | ||||||||||||
RIOXX Funder/Project Grant: |
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