| 학회 |
한국고분자학회 |
| 학술대회 |
2019년 봄 (04/10 ~ 04/12, 부산컨벤션센터(BEXCO)) |
| 권호 |
44권 1호 |
| 발표분야 |
고분자구조 및 물성 |
| 제목 |
Hghly self-healable crosslinked polyurethane-urea film with excellent long-term storage stability |
| 초록 |
A self-healable crosslinked polyurethane-urea film is prepared upon heating a blended solution coated on a substrate where the blended solution consists of polyols, linear urea oligomers with isocyanate groups at both ends, and crosslinkers containing multiple isocyanate groups. Interestingly, the crosslinked polyurethane-urea film shows better self-healing properties than the polyurethane film only, which is attributed to the strong supramolecular networks resulting from the intermolecular interactions between urethane groups and urea groups. Fourier-transform infrared spectroscopy is applied to prove the effective self-healing mechanism of crosslinked polyurethane-urea film. In addition, contrary to the traditional one-pot synthesis to prepare crosslinked polyurethane-urea systems, the blended solution in our system has excellent long-term storage stability at room temperature. |
| 저자 |
최기원1, 이서윤1, 강정순1, 홍평화2, 문경민2, 김진실2, 이성구2, 홍성우2, 고민재1
|
| 소속 |
1한양대, 2한국생산기술(연) |
| 키워드 |
Polyurethane-urea; Self-healing; Hydrogen Bond; Film; Stability
|
| E-Mail |
|
