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

Literature Information

Publication Date 2015-05-13
DOI 10.1039/C5PY00690B
Impact Factor 5.582
Authors

Hien The Ho, Justine Coupris, Sagrario Pascual, Laurent Fontaine, Thierry Lequeux, Thi Nhàn Pham


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Abstract

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.

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Polymer Chemistry

Polymer Chemistry
CiteScore: 8.6
Self-citation Rate: 7.3%
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