| 학회 | 한국화학공학회 |
| 학술대회 | 2008년 가을 (10/23 ~ 10/24, 부산 BEXCO) |
| 권호 | 14권 2호, p.2322 |
| 발표분야 | 고분자 |
| 제목 | Proton conducting copolymers on the basis of P(VDF-co-CTFE)-g-PSSA Graft Copolymer and TiO2-PSSA Nanoparticles |
| 초록 | Bifunctional TiO2 nanoparticles with hygroscopic & proton-conductive properties were synthesized by grafting proton conducting polymer. Poly(styrene sulfonic acid) from TiO2 nanoparitlces via surface-initiated ATRP. Bifunctional TiO2PSSA nanoparticles were blended with poly(vinylidene fluoride-co-chlorotrifluoroethylene)-graft-poly(styrene sulfonic acid). P(VDF-co-CTFE)-g-PSSA to give proton conducting membranes for high temperature fuel cells. FT-IR, UV-vis, XRD results revealed bifunctional properties of TiO2PSSA nanoparticles due tografting of PSSA chains. IEC of P(VDF-co-CTFE)-g-PSSA/TiO2PSSA membranes was notchanged irrespective of TiO2PSSA concentrations, representing fixed SO3- con. in the membranes.Water uptake,proton conductivity of membranes continuously increased with increasing TiO2PSSA concentrations,due to hygroscopic,soft conducting property of nanoparticles.TGA showedall the membranes were stable at least up to 280 oC. This work was supported by the Korea Science and Engineering Foundation(KOSEF) grant funded by the Korea government(MEST) (No. R01-2008-000-10112-0) |
| 저자 | 박정태, 고주환, 노동규, 고종관, 김종학 |
| 소속 | 연세대 |
| 키워드 | Proton Conducting; graft copolymer; P(VDF-co-CTFE)-g-PSSA; TiO2-PSSA; Nanoparticle |
| 원문파일 | 초록 보기 |
