Enzyme-initiated free radical polymerizations of vinyl monomers using horseradish peroxidase

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Rodriguez, Kyle J. and Pellizzoni, Michela M. and Chadwick, Robert J. and Guo, Chao and Bruns, Nico; Bruns, Nico and Loos, Katja, eds. (2019) Enzyme-initiated free radical polymerizations of vinyl monomers using horseradish peroxidase. In: Methods in Enzymology. Methods in Enzymology, 627 . Academic Press Inc., Cambridge, MA, pp. 249-262. ISBN 9780128170953 (https://doi.org/10.1016/bs.mie.2019.08.013)

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Abstract

In this chapter, we highlight the use of horseradish peroxidase (HRP) as a catalyst to initiate free radical polymerizations of vinyl monomers under benign reaction conditions. A variety of vinyl monomers, including 4-acryloylmorpholine (AM), 2-hydroxyethyl methacrylate (HEMA), and poly(ethylene glycol) methyl ether acrylate (PEGA) were polymerized. The enzyme converts exogenous hydrogen peroxide into a usable radical source, which when coupled with a β-diketone, yields a radical that initiates chain growth in the presence of monomers. The resulting polymers were characterized using nuclear magnetic resonance (NMR) spectroscopy and gel permeation chromatography (GPC). By using enzymatic free radical polymerizations, polymers can be generated in a sustainable, environmentally-friendly, and scalable fashion.

ORCID iDs

Rodriguez, Kyle J., Pellizzoni, Michela M., Chadwick, Robert J., Guo, Chao and Bruns, Nico ORCID logoORCID: https://orcid.org/0000-0001-6199-9995; Bruns, Nico and Loos, Katja
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