P. Keckeis, E. Zeller, C. Jung, P. Besirske, F. Kirner, C. Ruiz-Agudo, H. Schlaad, H. Cölfen
Modular toolkit of multifunctional block copoly(2-oxazoline)s for the synthesis of nanoparticles
Chem. Eur. J. 2021, 27, 8283-8287
DOI: 10.1002/chem.202101327
Post-polymerization modification provides an elegant way to introduce chemical functionalities onto macromolecules to produce tailor-made materials with superior properties. This concept was adapted to well-defined block copolymers of the poly(2-oxazoline) family and demonstrated the large potential of these macromolecules as universal toolkit for numerous applications. Triblock copolymers with separated water-soluble, alkyne- and alkene-containing segments were synthesized and orthogonally modified with various low-molecular weight functional molecules by copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC) and thiol-ene (TE) click reactions, respectively. Representative toolkit polymers were used for the synthesis of gold, iron oxide and silica nanoparticles.
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