Synthesis and self-assembly of a carboranecontaining ABC triblock terpolymer: morphology control on a dual-stimuli responsive system
Loading...
Official URL
Full text at PDC
Publication date
2019
Advisors (or tutors)
Editors
Journal Title
Journal ISSN
Volume Title
Publisher
Royal Society of Chemistry
Citation
Fernandez-Alvarez, Roberto, et al. «Synthesis and Self-Assembly of a Carborane-Containing ABC Triblock Terpolymer: Morphology Control on a Dual-Stimuli Responsive System». Polymer Chemistry, vol. 10, n.o 22, 2019, pp. 2774-80. https://doi.org/10.1039/C9PY00518
Abstract
Amphiphilic triblock terpolymers have attractive applications in the preparation of nanoparticles with controlled morphology. An additional level of morphology control can be provided by reactive blocks, whose interactions with the solvent vary under different stimuli. In this work, we synthesized a triblock terpolymer (poly(acrylic acid)-b-poly(4-hydroxystyrene)-b-poly{1-[4-(1-methyl-1,2-dicarba-closo-dodecaborane-2-yl methyl)-phenyl]ethylene}) (PAA-b-PHS-b-PSC) containing carboranes as pendant groups by reversible addition fragmentation chain transfer (RAFT) polymerization and subsequently studied its behavior in aqueous solution. Once the nanoparticles were formed, the solubility of the second and third blocks was changed via pH and CsF reactions, respectively. The resulting micelles work as an ON/OFF system, using changes in fluorescence intensity at different pH values.