Chapitre D'ouvrage Année : 2018

How can xanthates control the RAFT polymerization of methacrylates ?

Mathias Destarac
Dimitri Matioszek
  • Fonction : Auteur
Xavier Vila
  • Fonction : Auteur
Juliette Ruchmann-Sternchuss
  • Fonction : Auteur

Résumé

A xanthate bearing S-cyanoisopropyl and O-2,2,2trifluoroethyl groups was identified as a potential RAFT agent for sequential polymerization of methyl methacrylate and vinyl acetate. The intrinsic low reactivity of the xanthate for MMA polymerization was compensated by implementing a semibatch emulsion process with a thorough adjustment of the process parameters to keep MMA concentration to a minimum during polymerization. In a second stage, the xanthate-capped PMMA seed was chain extended during batch vinyl acetate polymerization at room temperature, yielding a well-defined PMMA-PVAc diblock copolymer.

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Dates et versions

hal-04361066 , version 1 (22-12-2023)

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Mathias Destarac, Dimitri Matioszek, Xavier Vila, Juliette Ruchmann-Sternchuss, Samir Zard. How can xanthates control the RAFT polymerization of methacrylates ?. Reversible Deactivation Radical Polymerization: Mechanisms and Synthetic Methodologies, 1284, American Chemical Society, pp.291-305, 2018, ACS Symposium Series, ⟨10.1021/bk-2018-1284.ch013⟩. ⟨hal-04361066⟩
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