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Synthesis of aliphatic polycarbonates with a tuneable thermal response

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Thomas, Anthony W., Kuroishi, Paula K., Pérez-Madrigal, Maria M., Whittaker, Andrew K. and Dove, Andrew P. (2017) Synthesis of aliphatic polycarbonates with a tuneable thermal response. Polymer Chemistry, 8 (34). 5082-5090 . doi:10.1039/C7PY00358G ISSN 1759-9954.

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Official URL: http://dx.doi.org/10.1039/C7PY00358G

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Abstract

Thermally-responsive polymers have been widely studied, however access to materials in which both the thermal response can be tuned and in which the backbone is ultimately biodegradable is limited. To this end, a range of well-defined homopolymers of 2-allyloxymethyl-2-ethyltrimethylene carbonate (AOMEC) was prepared using a dual organocatalytic ring-opening polymerisation methodology. Post-polymerisation functionalisation of PAOMEC with thiols bearing a range of functional groups was optimised via photoinitated radical thiol–ene coupling reactions. The inclusion of thiol-terminated poly(ethylene glycol) (PEG) enabled the synthesis of polycarbonates that exhibit a lower critical solution temperature (LCST). This approach enables the facile modification of the cloud point of these materials to create a library of thermally-responsive polymers, achieved by simply varying the molecular weight of the PEG chains and grafting blends of PEG to PAOMEC.

Item Type: Journal Article
Subjects: Q Science > QD Chemistry
T Technology > TP Chemical technology
Divisions: Faculty of Science, Engineering and Medicine > Science > Chemistry
Library of Congress Subject Headings (LCSH): Thermoresponsive polymers , Polymerization , Aliphatic compounds
Journal or Publication Title: Polymer Chemistry
Publisher: Royal Society of Chemistry
ISSN: 1759-9954
Official Date: 14 September 2017
Dates:
DateEvent
14 September 2017Published
27 March 2017Available
25 March 2017Accepted
Volume: 8
Number: 34
Page Range: 5082-5090
DOI: 10.1039/C7PY00358G
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Restricted or Subscription Access
Date of first compliant deposit: 15 May 2017
Date of first compliant Open Access: 27 March 2018
Funder: University of Warwick, Australian Institute for Bioengineering and Nanotechnology (AIBN), Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq), Horizon 2020 (European Commission) (H2020)
Grant number: 203127/2014-5 (CNPq), 703415 (H2020)

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