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Quizzed article | REF: RE189 V1

Radical Ring-Opening Polymerization : A tool for plastic’s degradation

Authors: Yohann GUILLANEUF, Catherine LEFAY

Publication date: November 10, 2023 | Lire en français

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    2. Radical ring-opening polymerization

    2.1 Concept and different monomer families

    Although traditional vinyl monomers are polymerized by chain addition with the creation of carbon-carbon bonds, some cyclic monomers bearing vinyl/exomethylene groups or equivalents can be polymerized free-radically by a ring-opening mechanism. Polymerization of cyclic monomers bearing a vinyl group leads to polymers with a double bond in the polymer backbone, while polymerization of cyclic compounds with an exomethylene group produces polymers with a pendant double bond. The functionality (e.g. ketone, ester, amide, thioester, etc.) derives from the nature of the W and Z atoms in the α position of the initial C=Y double bond (figure

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