| 학회 |
한국고분자학회 |
| 학술대회 |
2018년 봄 (04/04 ~ 04/06, 대전컨벤션센터) |
| 권호 |
43권 1호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
An Efficient Self-healable Polymeric Blend Based on Charge Transfer Complex (CTC) Interaction |
| 초록 |
Series of self-healable polymeric coating materials are prepared by blending functional polyimides (fPIs) and conventional polyurethanes (cPUs) and their self-healing properties are characterized in terms of interaction between PIs and Pus. PIs are generally known to form charge transfer complex (CTC) which is electronically-complementary interaction in PI chains and CTC can interact with hydrogen bonding sites of PUs. fPIs synthesized in this study are completely compatible with cPUs and, by adding small amount (2-3 wt%) of fPIs to cPUs, blends of fPIs/cPUs show better self-healing efficiency, faster self-healing kinetics, and, interestingly, more excellent surface hardness compared to cPUs only. These effective self-healing and scratch-resistance behaviors are attributed to the supramolecular networks resulting from strong intermolecular interactions between CTC of fPIs and cPUs chains. |
| 저자 |
김진실1, 홍성우1, 이성구1, 고민재2, 이서윤2, 강정순2, 최기원2
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| 소속 |
1한국생산기술(연), 2한양대 |
| 키워드 |
polyimide; polyurethane; blending; PU; PI; CTC; self-healing
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| E-Mail |
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