| 학회 |
한국고분자학회 |
| 학술대회 |
2015년 가을 (10/06 ~ 10/08, 대구컨벤션센터(EXCO)) |
| 권호 |
40권 2호 |
| 발표분야 |
대학원생 구두발표 (발표15분) |
| 제목 |
Innovative sPEEK Nanocomposites by Nanoparticles with External Protons and Controlled Nanochannel |
| 초록 |
Sulfonated poly(ether ether ketone) [sPEEK] with 60% degree of sulfonation (DS) has a proton conductivity of 0.06 S/cm at 80 °C/100% RH. As DS of sPEEK increased, the proton conductivity also increased. However, sPEEK with high DS consequently is accompanied by excessive water swelling and therefore it is needed to improve proton conductivity without mechanical degradation. We aimed to control the nanochannel of sPEEK nanocomposites membrane by using polyhedral oligosilsequioxane functionalized with sulfonic acid (POSS-SA). Proton conductivity of nanocomposites membrane increased up to 0.1 S/cm at 80 oC/100% RH because POSS-SA increased the nanochaanel and offered additional proton source. This is in good agreement with the results of Small angle X-ray scattering (SAXS) and IEC of nanocomposites. |
| 저자 |
이희우, 김상우
|
| 소속 |
서강대 |
| 키워드 |
Nanocomposite; nanoparticle; SAXS; conductivity; POSS
|
| E-Mail |
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