Nitroxide‐Mediated Radical Ring‐Opening Copolymerization: Chain‐End Investigation and Block Copolymer Synthesis | Zendy

Delplace Vianney | Zendy; Harrisson Simon | Zendy; Tardy Antoine | Zendy; Gigmes Didier | Zendy; Guillaneuf Yohann | Zendy; Nicolas Julien | Zendy

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Nitroxide‐Mediated Radical Ring‐Opening Copolymerization: Chain‐End Investigation and Block Copolymer Synthesis

Author(s) -

Delplace Vianney,

Harrisson Simon,

Tardy Antoine,

Gigmes Didier,

Guillaneuf Yohann,

Nicolas Julien

Publication year - 2014

Publication title -

macromolecular rapid communications

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.348

H-Index - 154

eISSN - 1521-3927

pISSN - 1022-1336

DOI - 10.1002/marc.201300809

Subject(s) - copolymer , polymer chemistry , nitroxide mediated radical polymerization , acrylonitrile , end group , ethylene glycol , radical polymerization , polymerization , styrene , chemistry , methacrylate , methyl methacrylate , amphiphile , ring opening polymerization , macromonomer , materials science , polymer , organic chemistry

Well‐defined, degradable copolymers are successfully prepared by nitroxide‐mediated radical ring opening polymerization (NMrROP) of oligo(ethylene glycol) methyl ether methacrylate (OEGMA) or methyl methacrylate (MMA), a small amount of acrylonitrile (AN) and cyclic ketene acetals (CKAs) of different structures. Phosphorous nuclear magnetic resonance allows in‐depth chain‐end characterization and gives crucial insights into the nature of the copolymer terminal sequences and the living chain fractions. By using a small library of P(OEGMA‐ co ‐AN‐ co ‐CKA) and P(MMA‐ co ‐AN‐ co ‐CKA) as macroinitiators, chain extensions with styrene are performed to furnish (amphiphilic) block copolymers comprising a degradable segment.

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