Thiol−Ene Linear Step-Growth Photopolymerization in Miniemulsion: Fast Rates, Redox-Responsive Particles, and Semicrystalline Films - Archive ouverte HAL
Article Dans Une Revue Macromolecules Année : 2016

Thiol−Ene Linear Step-Growth Photopolymerization in Miniemulsion: Fast Rates, Redox-Responsive Particles, and Semicrystalline Films

Marc Schmutz
Adrien Criqui
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Résumé

Radical step-growth photopolymerization of dithiol−diene monomer miniemulsion is shown to be a highly efficient, robust, and versatile route to generate film-forming linear poly(thioether) latexes. At extremely fast rates, the process results in high-molecular-weight polysulfide products, exhibiting both semicrystalline and oxidation-responsive properties. Four key issues are addressed as regards the practical implementation of this novel UV-driven waterborne technology: the preparation of a photolatent and colloidally stable thiol−ene monomer miniemulsion, the identification of key experimental parameters controlling reaction kinetics and polymer microstructure, the characterization of film semicrystallinity, and the application of poly(thioether ester) latexes as dual-stimuli-responsive nanocarriers sensitive to both oxidation and hydrolysis.

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hal-02442172 , version 1 (16-01-2020)

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Florent Jasinski, Agnès Rannée, Julie Schweitzer, Diane Fischer, Emeline Lobry, et al.. Thiol−Ene Linear Step-Growth Photopolymerization in Miniemulsion: Fast Rates, Redox-Responsive Particles, and Semicrystalline Films. Macromolecules, 2016, 49 (4), pp.1143-1153. ⟨10.1021/acs.macromol.5b02512⟩. ⟨hal-02442172⟩
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