Volume 57, Issue 23 pp. 6843-6847
Communication

Supramolecular Copolymerization as a Strategy to Control the Stability of Self-Assembled Nanofibers

Bala N. S. Thota

Bala N. S. Thota

Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5612 AZ, Eindhoven, The Netherlands

Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany

Search for more papers by this author
Xianwen Lou

Xianwen Lou

Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5612 AZ, Eindhoven, The Netherlands

Search for more papers by this author
Davide Bochicchio

Davide Bochicchio

Department of Innovative Technologies, University of, Applied Sciences and Arts of Southern Switzerland, Galleria 2, 6928 Manno, Switzerland

Search for more papers by this author
Tim F. E. Paffen

Tim F. E. Paffen

Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5612 AZ, Eindhoven, The Netherlands

Search for more papers by this author
René P. M. Lafleur

René P. M. Lafleur

Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5612 AZ, Eindhoven, The Netherlands

Search for more papers by this author
Joost L. J. van Dongen

Joost L. J. van Dongen

Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5612 AZ, Eindhoven, The Netherlands

Search for more papers by this author
Svenja Ehrmann

Svenja Ehrmann

Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany

Search for more papers by this author
Rainer Haag

Rainer Haag

Institute of Chemistry and Biochemistry, Freie Universität Berlin, 14195 Berlin, Germany

Search for more papers by this author
Giovanni M. Pavan

Giovanni M. Pavan

Department of Innovative Technologies, University of, Applied Sciences and Arts of Southern Switzerland, Galleria 2, 6928 Manno, Switzerland

Search for more papers by this author
Anja R. A. Palmans

Corresponding Author

Anja R. A. Palmans

Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5612 AZ, Eindhoven, The Netherlands

Search for more papers by this author
E. W. Meijer

Corresponding Author

E. W. Meijer

Institute for Complex Molecular Systems and Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, 5612 AZ, Eindhoven, The Netherlands

Search for more papers by this author
First published: 02 May 2018
Citations: 50

Graphical Abstract

The exchange dynamics of supramolecular polymers based on benzene-1,3,5-tricarboxamide (BTA) can be regulated by copolymerizing molecules with dendronized (dBTA) and linear (nBTA) ethylene glycol-based water-soluble side chains. Whereas nBTAs form long nanofibers in water, dBTAs do not polymerize. The copolymerization of the two BTAs results in more stable long nanofibers.

Abstract

A major challenge in supramolecular polymerization is controlling the stability of the polymers formed, that is, controlling the rate of monomer exchange in the equilibrium between monomer and polymer. The exchange dynamics of supramolecular polymers based on benzene-1,3,5-tricarboxamide (BTA) can be regulated by copolymerizing molecules with dendronized (dBTA) and linear (nBTA) ethylene glycol-based water-soluble side chains. Whereas nBTAs form long nanofibers in water, dBTAs do not polymerize, forming instead small spherical aggregates. The copolymerization of the two BTAs results in long nanofibers. The exchange dynamics of both the BTA monomers in the copolymer are significantly slowed down in the mixed systems, leading to a more stable copolymer, while the morphology and spectroscopic signature of the copolymers are identical to that of nBTA homopolymer. This copolymerization is the supramolecular counterpart of styrene/ maleic anhydride copolymerization.

The full text of this article hosted at iucr.org is unavailable due to technical difficulties.