TY  - JOUR
A1  - Schmidt, Aaron C.
A1  - Turgut, Hatice
A1  - Le, Dao
A1  - Beloqui, Ana
A1  - Delaittre, Guillaume
T1  - Making the best of it: nitroxide-mediated polymerization of methacrylates via the copolymerization approach with functional styrenics
JF  - Polymer Chemistry
N2  - The SG1-mediated solution polymerization of methyl methacrylate (MMA) and oligo(ethylene glycol) methacrylate (OEGMA, Mₙ = 300 g mol⁻¹) in the presence of a small amount of functional/reactive styrenic comonomer is investigated. Moieties such as pentafluorophenyl ester, triphenylphosphine, azide, pentafluorophenyl, halide, and pyridine are considered. A comonomer fraction as low as 5 mol% typically results in a controlled/living behavior, at least up to 50% conversion. Chain extensions with styrene for both systems were successfully performed. Variation of physical properties such as refractive index (for MMA) and phase transition temperature (for OEGMA) were evaluated by comparing to 100% pure homopolymers. The introduction of an activated ester styrene derivative in the polymerization of OEGMA allows for the synthesis of reactive and hydrophilic polymer brushes with defined thickness. Finally, using the example of pentafluorostyrene as controlling comonomer, it is demonstrated that functional PMMA-b-PS are able to maintain a phase separation ability, as evidenced by the formation of nanostructured thin films.
Y1  - 2020
U6  - http://dx.doi.org/10.1039/C9PY01458F
VL  - 11
IS  - 2
SP  - 593
EP  - 604
PB  - Royal Society of Chemistry (RSC)
CY  - Cambridge
ER  -