Advanced polymer architectures with stimuli-responsive properties starting from inimers

Bernaerts, Katrien V.;Fustin, Charles-André;Bomal-D'Haese, Cecile;Gohy, Jean-François;Du Prez, Filip E.;et.al.
(2008) Macromolecules — Vol. 41, n° 7, p. 2593-2606 (2008)

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Abstract
Novel, well-defined, temperature- and/or pH-sensitive copolymer architectures were prepared by atom transfer radical (co)polymerization (ATRP) of a temperature-sensitive poly(methyl vinyl ether) (PMVE) macromonomer, obtained via living cationic polymerization of MVE initiated with inimer 3,3-diethoxypropyl acrylate. Temperature-sensitive comb architectures were obtained by ATRP homopolymerization (Me6TREN/ CuBr in toluene) of the PMVE macromonomer. ATRP copolymerization of the PMVE macromonomer with tert-butyl acrylate, a hydrolyzable precursor for pH-sensitive acrylic acid (AA), gives statistical graft copolymers. Palm-tree block copolymers containing a linear PtBA (PAA after hydrolysis) block and a branched block based on PMVE macromonomers were also prepared and fully characterized. Using turbidimetry, dynamic light scattering, FT-IR, and NMR, the temperature and/or pH responsiveness of those (co)polymer architectures are compared with the properties of previously synthesized linear block copolymers containing PMVE and PtBA or PAA.
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Bernaerts, K. V., Fustin, C.-A., Bomal-D’Haese, C., Gohy, J.-F., Martins, J. C., & Du Prez, F. E. (2008). Advanced polymer architectures with stimuli-responsive properties starting from inimers. Macromolecules, 41(7), 2593-2606. https://doi.org/10.1021/ma702547g (Original work published 2008)