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Contents Vol 63(4)

Dynamers: Dynamic Molecular and Supramolecular Polymers*

Jean-Marie Lehn A
+ Author Affiliations
- Author Affiliations

A ISIS, Université de Strasbourg, 8, Allée Gaspard Monge, BP 70028, Strasbourg, France. Email: lehn@isis.u-strasbg.fr

Australian Journal of Chemistry 63(4) 611-623 https://doi.org/10.1071/CH10035
Submitted: 20 January 2010  Accepted: 23 March 2010   Published: 8 April 2010

Abstract

Dynamers are defined as constitutional dynamic polymers, i.e. polymeric entities whose monomeric components are linked through reversible connections and have therefore the capacity to modify their constitution by exchange and reshuffling of their components. They may be either of supramolecular or molecular nature depending on whether the connections are non-covalent interactions or reversible covalent bonds. They are formed respectively either by polyassociation with interactional recognition or by polycondensation with functional recognition between the connecting subunits. Both types are illustrated by specific examples implementing hydrogen bonding on one hand and formation of imine-type bonds on the other. The dynamic properties confer to dynamers the ability to undergo adaptation and driven evolution under the effect of external chemical or physical triggers. Dynamers thus are constitutional dynamic materials resulting from the application of the principles of constitutional dynamic chemistry to polymer science.


References


[1]   Lehn J.-M., Supramolecular Chemistry: Concepts and Perspectives 1995 (Weinheim: VCH).

[2]   Atwood J. L., Davies J. E. D., MacNicol D. D., Vögtle F., Lehn J.-M., Comprehensive Supramolecular Chemistry 1996 (Oxford: Pergamon).

[3]   (a) J.-M. Lehn, Proc. Natl. Acad. Sci. USA 2002, 99,  4763.
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* This text is a somewhat revised and expanded version of the earlier text of ref. [3b].