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Stimuli-Responsive Polyelectrolytes: Thermosensitive Zwitterionic Polymers And Charged Shape-Changing Star Molecular Bottlebrushes, Evan M. Lewoczko
Stimuli-Responsive Polyelectrolytes: Thermosensitive Zwitterionic Polymers And Charged Shape-Changing Star Molecular Bottlebrushes, Evan M. Lewoczko
Doctoral Dissertations
This dissertation work investigated two classes of stimuli-responsive polyelectrolytes: thermosensitive zwitterionic poly(sulfobetaine methacrylate)s (PSBMAs) and charged shape-changing star molecular bottlebrushes (SMBs). While zwitterionic polymers are explored for numerous applications, their structure-solution behavior relationship was poorly understood. The first part of this dissertation focused on the effects of N-substituents of PSBMAs on their behavior in water. A series of PSBMAs were synthesized, with systematically changed N-substituents, including symmetric N-n-alkyl substituents of various lengths and asymmetric N-substituents comprising one methyl and either one cyclohexyl, phenyl or 2-hydroxyethyl group. The behavior of PSBMAs with symmetric N-substituents …