Dual stimuli responsive PEG based hyperbranched polymers

Yixiao Dong; Paul Gunning; Hongliang Cao; Asha Mathew; Ben Newland; Aram Omer Saeed; Johannes Pall Magnusson; Cameron Alexander; Hongyun Tai; Abhay Pandit; Wenxin Wang

doi:10.1039/C0PY00101E

Dual stimuli responsive PEG based hyperbranched polymers†

Yixiao Dong,^a Paul Gunning,^a Hongliang Cao,^a Asha Mathew,^a Ben Newland,^a Aram Omer Saeed,^c Johannes Pall Magnusson,^c Cameron Alexander,^c Hongyun Tai,*^b Abhay Pandit^a and Wenxin Wang*^a

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^a Network of Excellence for Functional Biomaterials, National University of Ireland, Galway, Dangan Business Park, Galway, Ireland
E-mail: wenxin.wang@nuigalway.ie
Fax: +353 (0)91 495585
Tel: +353(0)91 493131

^b School of Chemistry, Bangor University, Bangor, UK
E-mail: h.tai@bangor.ac.uk

^c School of Pharmacy, University of Nottingham, University Park, Nottingham, UK

Abstract

PEG based hyperbranched copolymers have been synthesised using a high concentration of ethylene glycol dimethacrylate (EGDMA) as the branching agent (up to 10% molar ratio of total feed monomers) via a new in situ deactivation enhanced atom transfer radical polymerisation (DE-ATRP). These hyperbranched copolymers exhibited a lower critical solution temperature (LCST) close to body temperature and photo-crosslinkable behavior.

Polymer Chemistry

Dual stimuli responsive PEG based hyperbranched polymers†

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