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Rudolph T, von der Lühe M, Hartlieb M, et al. Toward Anisotropic Hybrid Materials: Directional Crystallization of Amphiphilic Polyoxazoline-Based Triblock Terpolymers. ACS Nano. 2015;9(10):10085-98doi: 10.1021/acsnano.5b03660.
Rudolph, T., von der Lühe, M., Hartlieb, M., Norsic, S., Schubert, U. S., Boisson, C., D'Agosto, F., & Schacher, F. H. (2015). Toward Anisotropic Hybrid Materials: Directional Crystallization of Amphiphilic Polyoxazoline-Based Triblock Terpolymers. ACS nano, 9(10), 10085-98. https://doi.org/10.1021/acsnano.5b03660
Rudolph, Tobias, et al. "Toward Anisotropic Hybrid Materials: Directional Crystallization of Amphiphilic Polyoxazoline-Based Triblock Terpolymers." ACS nano vol. 9,10 (2015): 10085-98. doi: https://doi.org/10.1021/acsnano.5b03660
Rudolph T, von der Lühe M, Hartlieb M, Norsic S, Schubert US, Boisson C, D'Agosto F, Schacher FH. Toward Anisotropic Hybrid Materials: Directional Crystallization of Amphiphilic Polyoxazoline-Based Triblock Terpolymers. ACS Nano. 2015 Oct 27;9(10):10085-98. doi: 10.1021/acsnano.5b03660. Epub 2015 Sep 15. PMID: 26372093.
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ACS Nano. 2015 Oct 27;9(10):10085-98. doi: 10.1021/acsnano.5b03660. Epub 2015 Sep 15.

Toward Anisotropic Hybrid Materials: Directional Crystallization of Amphiphilic Polyoxazoline-Based Triblock Terpolymers.

ACS nano

Tobias Rudolph, Moritz von der Lühe, Matthias Hartlieb, Sebastien Norsic, Ulrich S Schubert, Christophe Boisson, Franck D'Agosto, Felix H Schacher

Affiliations

  1. Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena , Humboldtstraße 10, D-07743 Jena, Germany.
  2. Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena , Philosophenweg 7, D-07743 Jena, Germany.
  3. Université de Lyon , CPE Lyon, CNRS UMR 5265 Laboratoire de Chimie, Catalyse, Polymères et Procédés (C2P2), Equipe LCPP, Bat 308F, 43 Bd du 11 novembre 1918, F-69616 Villeurbanne, France.

PMID: 26372093 DOI: 10.1021/acsnano.5b03660

Abstract

We present the design and synthesis of a linear ABC triblock terpolymer for the bottom-up synthesis of anisotropic organic/inorganic hybrid materials: polyethylene-block-poly(2-(4-(tert-butoxycarbonyl)amino)butyl-2-oxazoline)-block-poly(2-iso-propyl-2-oxazoline) (PE-b-PBocAmOx-b-PiPrOx). The synthesis was realized via the covalent linkage of azide-functionalized polyethylene and alkyne functionalized poly(2-alkyl-2-oxazoline) (POx)-based diblock copolymers exploiting copper-catalyzed azide-alkyne cycloaddition (CuAAC) chemistry. After purification of the resulting triblock terpolymer, the middle block was deprotected, resulting in a primary amine in the side chain. In the next step, solution self-assembly into core-shell-corona micelles in aqueous solution was investigated by dynamic light scattering (DLS) and transmission electron microscopy (TEM). Subsequent directional crystallization of the corona-forming block, poly(2-iso-propyl-2-oxazoline), led to the formation of anisotropic superstructures as demonstrated by electron microscopy (SEM and TEM). We present hypotheses concerning the aggregation mechanism as well as first promising results regarding the selective loading of individual domains within such anisotropic nanostructures with metal nanoparticles (Au, Fe3O4).

Keywords: crystallization; fiber-like micelles; poly(2-oxazoline)s; polyethylene; self-assembly; triblock terpolymer

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