Related Experiment Video
Updated: Jun 26, 2026

Synthesis of Terpolymers at Mild Temperatures Using Dynamic Sulfur Bonds in Poly(S-Divinylbenzene)
Published on: May 20, 2019
Room temperature dynamic polymers based on Diels-Alder chemistry.
P Reutenauer1, E Buhler, P J Boul
1Laboratoire de Chimie Supramoléculaire, ISIS, Université de Strasbourg, 8 allée Gaspard Monge, 67000 Strasbourg, France.
New dynamic polymers using reversible Diels-Alder chemistry form flexible chains and can create self-healing elastomers. These materials exhibit dynamic exchange at room temperature, enabling novel applications.
Area of Science:
- Polymer Chemistry
- Materials Science
- Supramolecular Chemistry
Background:
- Reversible covalent chemistry offers pathways to dynamic materials.
- Diels-Alder reactions are widely studied for their reversibility.
Purpose of the Study:
- To synthesize and characterize dynamers utilizing reversible Diels-Alder chemistry.
- To investigate the solution behavior and thermal properties of these dynamers.
- To explore their potential as dynamic elastomers and self-healing materials.
Main Methods:
- Synthesis of dynamers via reversible Diels-Alder reactions.
- Small-angle neutron scattering (SANS) for solution structure analysis.
- Differential scanning calorimetry (DSC) for thermal property determination (Tg).
Main Results:
- Dynamers exhibited dynamic exchange at room temperature.
- SANS revealed the formation of long, flexible polymer chains in solution.
- Polydispersed dynamers showed glass transition temperatures (Tg) below room temperature.
- Dynamic cross-linking enabled the formation of a dynamic elastomer.
- A low equilibrium constant system demonstrated self-healing properties.
Conclusions:
- Reversible Diels-Alder chemistry is effective for creating dynamic polymers.
- These dynamers can form flexible chain structures and dynamic elastomers.
- The materials show promise for applications requiring self-healing capabilities.
More Related Videos
07:02The Preparation and Properties of Thermo-reversibly Cross-linked Rubber Via Diels-Alder Chemistry
Published on: August 25, 2016
12:07Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning
Published on: April 16, 2018
Related Concept Videos
Diels–Alder vs Retro-Diels–Alder Reaction: Thermodynamic Factors
[4+2] Cycloaddition of Conjugated Dienes: Diels–Alder Reaction
Polymer Classification: Stereospecificity
Diels–Alder Reaction: Characteristics of Dienes
Characteristics of the diene
Conformation
The simplest example of a diene is 1,3-butadiene, an acyclic conjugated π system. At room temperature, the molecule exists as a mixture of s-cis and s-trans conformers by virtue of rotation around the carbon–carbon single bond. Although the s-trans isomer is more stable, the...
Diels–Alder Reaction Forming Cyclic Products: Stereochemistry
Olefin Metathesis Polymerization: Acyclic Diene Metathesis (ADMET)
Similar to cross-metathesis, ADMET also involves the formation of metallacyclobutane intermediate by [2+2] cycloaddition of one of the double bonds of a terminal diene with...