How can xanthates control the RAFT polymerization of methacrylates?

Mathias Destarac, Dimitri Matioszek, Xavier Vila, Juliette Ruchmann-Sternchuss, Samir Z. Zard

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A xanthate bearing S-cyanoisopropyl and O-2,2,2-trifluoroethyl 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 semi-batch 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.

Original languageEnglish
Title of host publicationReversible Deactivation Radical Polymerization
Subtitle of host publicationMechanisms and Synthetic Methodologies
EditorsNicolay V. Tsarevsky, Haifeng Gao, Krzysztof Matyjaszewski, Brent S. Sumerlin
PublisherAmerican Chemical Society
Pages291-305
Number of pages15
ISBN (Print)9780841233188
DOIs
Publication statusPublished - 1 Jan 2018
Externally publishedYes

Publication series

NameACS Symposium Series
Volume1284
ISSN (Print)0097-6156
ISSN (Electronic)1947-5918

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