Efficient Exchange in a Bioinspired Dynamic Covalent Polymer Network via a Cyclic Phosphate Triester Intermediate
Soumabrata Majumdar, Brahim Mezari, Huiyi Zhang, Jeroen van Aart, Rolf A. T. M. van Benthem, Johan P. A. Heuts, Rint P. Sijbesma
Abstract
P solid-state NMR demonstrated that a cyclic phosphate triester is an intermediate in transesterification, leading to dissociative network rearrangement. Significant viscous flow at 60-100 °C makes the material suitable for fast processing via extrusion and compression molding.
Topics & Concepts
Covalent bondChemistryPhosphatePolymer chemistryReactivity (psychology)End-groupChemical modificationDynamic covalent chemistryCompression moldingPolymerOrganic chemistryMoleculePolymerizationMaterials scienceSupramolecular chemistryComposite materialMoldMedicineAlternative medicinePathologySynthetic Organic Chemistry MethodsPolymer composites and self-healingCovalent Organic Framework Applications