Issue 14, 2013
From the journal:

Polymer Chemistry

Photoinduced polyaddition of multifunctional azides and alkynes

Benedict Sandmann,ab   Bobby Happ,abc   Jürgen Vitz,abc   Martin D. Hager,ab   Peter Burtscher,d   Norbert Moszner*d  and  Ulrich S. Schubert*abc  

* Corresponding authors

a Laboratory of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstraße 10, 07743 Jena, Germany
E-mail: ulrich.schubert@uni-jena.de
Fax: +49(0) 3641 9482 02

b Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany

c Dutch Polymer Institute (DPI), P.O. Box 902, 5600 AX Eindhoven, The Netherlands

d Ivoclar Vivadent AG, Bendererstrasse 2, FL-9494 Schaan, Liechtenstein
E-mail: norbert.moszner@ivoclarvivadent.com

Abstract

The photoinduced copper(I)-catalyzed polymerization of multifunctional azides and alkynes is facilitated by the photoreduction of copper(II) acetate generating copper(I) ions without using any additional photoinitiator. The polymerization can only be carried out in solution using at least 15 wt% of methanol. Depending on the catalyst concentration quantitative monomer conversions can be achieved allowing the determination of the mechanical properties. The bifunctional system consisting of a di-azide and di-alkyne exhibited the highest Young's modulus value of 1600 MPa.

Graphical abstract: Photoinduced polyaddition of multifunctional azides and alkynes

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Article information

DOI
https://doi.org/10.1039/C3PY00356F
Article type
Paper
Submitted
17 Mar 2013
Accepted
23 Apr 2013
First published
24 Apr 2013

Polym. Chem., 2013,4, 3938-3942

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Photoinduced polyaddition of multifunctional azides and alkynes

B. Sandmann, B. Happ, J. Vitz, M. D. Hager, P. Burtscher, N. Moszner and U. S. Schubert, Polym. Chem., 2013, 4, 3938 DOI: 10.1039/C3PY00356F

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