Please use this identifier to cite or link to this item: https://doi.org/10.1007/s13233-012-0039-9
Title: On the use of cob(II) alamin as a spin trap in radical polymerization
Authors: Ng, Y.-H.
Di Lena, F.
Chai, C.L.L. 
Keywords: Bioorganometallics
Cobalamin
Radical polymerization
Sustainable chemistry
Issue Date: May-2012
Citation: Ng, Y.-H., Di Lena, F., Chai, C.L.L. (2012-05). On the use of cob(II) alamin as a spin trap in radical polymerization. Macromolecular Research 20 (5) : 473-476. ScholarBank@NUS Repository. https://doi.org/10.1007/s13233-012-0039-9
Abstract: Hydroxocobalamin reduced with ascorbic acid acts as a spin trap for free radical polymerization in water. The reaction mechanism is dependent on monomer type. An acrylic olefin such as 2-hydroxyethyl acrylate (HEA) is polymerized at pH 7 and in the presence of a conventional radical source mainly through reversible deactivation by a coupling mechanism. In contrast, a methacrylate like polyethylene glycol methacrylate undergoes catalytic chain transfer oligomerization.
Source Title: Macromolecular Research
URI: http://scholarbank.nus.edu.sg/handle/10635/106179
ISSN: 15985032
DOI: 10.1007/s13233-012-0039-9
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