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| Type |
Symposium |
| Area |
Recent Trends in Self-healing Polymers and Composites |
| Room No. |
Room 301 |
| Time |
FRI 09:30-: |
| Code |
POLY2-2 |
| Subject |
Orthogonally double directional dynamic networks and their self-healing properties |
| Authors |
Jae Woo Chung
Organic Materials and Fiber Engineering, Soongsil University, Korea |
| Abstract |
Self-healing polymer is one of the representative biomimetic intelligent materials that can repair its own structures and functions from the damage by the external environment. In general, the damage causes a material to lose its properties and functions, which has a bad influence on the overall durability and performance of the final product. Thus, the self-healing polymer that can completely restore its structure and function as well as preventing the expected damage in advance will surely open up the new scientific and industrial area.
In this study, we demonstrate the thermally reversible self-healing supramolecular network based on poly(ε-caprolactone) with the dynamic multiple hydrogen bonding moieties, i.e. ureidopyrimidinone (UPy). For this, we prepared the hydrogen bonded network polycaprolactones (HBNPs) which mixed the hydrogen bonded linear/non-linear poly(ε-caprolactone) in the various ratio and investigate their self-healing property and mechanism. Interestingly, HBNP has the orthogonally double directional crosslinking structure and shows the outstanding self-healing efficiency over 96% after the thermal treatment at 90 oC within several minutes when HBNP has appropriate network structure.
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| E-mail |
jwchung@ssu.ac.kr |
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121st General Meeting of the KCS