| 학회 |
한국고분자학회 |
| 학술대회 |
2018년 가을 (10/10 ~ 10/12, 경주컨벤션센터) |
| 권호 |
43권 2호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Self-Healable Dielectric Properties of Imidazole modified Polydimethylsiloxane (PDMS) Coordinate with Zinc |
| 초록 |
Self-healing material has been intensively studied in the last decade due to its capability of improving material’s lifetime and safety. Among the numerous proposed self-healing mechanisms, reversible metal-ligand coordination bond is considered as a strong candidate for a healing moiety because of its high tunability of mechanical properties due to their broad thermodynamics and kinetic parameters. Furthermore, dipolar nature of coordination bond can enhance the dielectric property of the material. Herein, zinc-imidazole coordination bond, having a fast ligand exchange rate in ambient condition, was employed as a healing moiety to synthesize room temperature self-healable polydimethylsiloxane (PDMS). Imidazole modified acrylate (IMZa) was prepared and imidazole modified PDMS (IMZ-PDMS) was synthesized by grafting IMZa onto PDMS backbone. Moreover, cross-linked IMZ-PDMS displayed high dielectric constant, which was 2.9 times higher than conventional PDMS. |
| 저자 |
조성훈1, 오인영2, 안철희3
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| 소속 |
1Research Institute of Advanced Materials (RIAM), 2Department of Materials Science and Engineering, 3College of Engineering |
| 키워드 |
Self-healing; PDMS; dielectric elastomer; coordination bond
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| E-Mail |
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