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Article Dans Une Revue Polymer Chemistry Année : 2015

Synthesis and characterization of innovative well-defined difluorophosphonylated-(co)polymers by RAFT polymerization

Résumé

Reversible addition–fragmentation chain-transfer (RAFT) polymerization of a methacrylate derivative bearing a difluorophosphonylated moiety, namely diisopropyl 1,1-difluoro-5-methacryloyloxy-pentylphosphonate, was successfully achieved for the first time in the presence of 4-cyano-4-(thiobenzoylthio)pentanoic acid as the chain transfer agent. Polymers with various molecular weights and low dispersities were obtained in a controlled way. Additionally, a new chain transfer agent containing a difluorophosphonated moiety (pCF2-CTA) was successfully prepared to control the polymerization of methyl methacrylate and to create the pCF2 functionality at the poly(methyl methacrylate) chain-end by RAFT polymerization. The dealkylation of phosphonate ester polymers was performed with excellent yields using bromotrimethylsilane.

Domaines

Chimie organique
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Dates et versions

hal-01829628 , version 1 (04-07-2018)

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Hien The Ho, Justine Coupris, Sagrario Pascual, Laurent Fontaine, Thierry Lequeux, et al.. Synthesis and characterization of innovative well-defined difluorophosphonylated-(co)polymers by RAFT polymerization. Polymer Chemistry, 2015, 6 (25), pp.4597 - 4604. ⟨10.1039/C5PY00690B⟩. ⟨hal-01829628⟩
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