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Issue 43, 2015
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Water soluble hyperbranched polymers from controlled radical homopolymerization of PEG diacrylate

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Abstract

A series of water soluble PEG based hyperbranched polymers were successfully synthesized by homopolymerization of poly(ethylene glycol) diacrylate (PEGDA) (Mn = 575 and 700 g mol−1 respectively) via vinyl oligomer combination. The homopolymerization of diacrylate macromers underwent a slow vinyl propagation combined with a polycondensation by coupling of reactive oligomers. At a high initiator-to-monomer ratio (e.g. 1 : 2), high monomer conversions up to 96% were achieved in concentrated reaction conditions (60% w/v) without gelation. The hyperbranched polymers obtained from homopolymerization of PEGDA575 show concentration-dependent thermoresponsive properties in aqueous solutions.

Graphical abstract: Water soluble hyperbranched polymers from controlled radical homopolymerization of PEG diacrylate

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Supplementary files

Article information


Submitted
21 Jan 2015
Accepted
07 Apr 2015
First published
07 Apr 2015

This article is Open Access

RSC Adv., 2015,5, 33823-33830
Article type
Paper

Water soluble hyperbranched polymers from controlled radical homopolymerization of PEG diacrylate

T. Zhao, H. Zhang, D. Zhou, Y. Gao, Y. Dong, U. Greiser, H. Tai and W. Wang, RSC Adv., 2015, 5, 33823
DOI: 10.1039/C5RA01253H

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