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Reversible Assembly of Terpyridine Incorporated Norbornene-Based Polymer via a Ring-Opening Metathesis Polymerization and Its Self-Healing Property

Department of Chemistry, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon-si, Gyeonggi-do 16419, Korea
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Polymers 2018, 10(10), 1173; https://doi.org/10.3390/polym10101173
Received: 27 September 2018 / Revised: 16 October 2018 / Accepted: 17 October 2018 / Published: 22 October 2018
We induced a terpyridine moiety into a norbornene-based polymer to demonstrate its self-healing property, without an external stimulus, such as light, heat, or healing agent, using metal–ligand interactions. We synthesized terpyridine incorporated norbornene-based polymers using a ring-opening metathesis polymerization. The sol state of diluted polymer solutions was converted into supramolecular assembled gels, through the addition of transition metal ions (Ni2+, Co2+, Fe2+, and Zn2+). In particular, a supramolecular complex gel with Zn2+, which is a metal with a lower binding affinity, demonstrated fast self-healing properties, without any additional external stimuli, and its mechanical properties were completely recovered. View Full-Text
Keywords: ring opening metathesis polymerization (ROMP); terpyridine; metal–ligand interaction; self-assembly; self-healing; sol-gel system ring opening metathesis polymerization (ROMP); terpyridine; metal–ligand interaction; self-assembly; self-healing; sol-gel system
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Lee, J.; Moon, H.H.; Paeng, K.; Song, C. Reversible Assembly of Terpyridine Incorporated Norbornene-Based Polymer via a Ring-Opening Metathesis Polymerization and Its Self-Healing Property. Polymers 2018, 10, 1173.

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