| 研究生: |
謝其翰 Chi-han Hsieh |
|---|---|
| 論文名稱: |
具交聯結構之磺酸化聚醚醚酮(酮) Branch-shaped sulfonated poly(ether ketone)s as proton exchange membranes |
| 指導教授: |
陳銘洲
Ming-chou Chen |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 化學學系 Department of Chemistry |
| 畢業學年度: | 97 |
| 語文別: | 中文 |
| 論文頁數: | 117 |
| 中文關鍵詞: | 質子交換 、聚醚醚酮 、磺酸化 、交聯 |
| 外文關鍵詞: | branch, crosslink, proton exchange |
| 相關次數: | 點閱:18 下載:0 |
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本研究利用有機反應合成一系列具有四醇基酮之聚醚醚酮高分
子,將直鏈結構之聚醚醚酮變化為交聯結構狀,並引進不同具有磺酸
基團之單體,期望將親疏水相分離,藉此得到最適合應用於燃料電池
的質子交換膜。
此一系列交聯高分子在不失去其優良的熱穩定性、物理性質與機
械強度情況下,交聯狀結構成功的降低了聚醚醚酮在高濕度下水膨潤
與尺寸變化率過高的情況,並在操作溫度 25oC 下可得到平均
10-2S/cm 的傳導度,並且於 70oC 高溫下更可進一步達到10-1S/cm
的表現。 其中 B-Np-SPEEKK 在 80oC 之熱水中,尺寸變化率只有
29% , 並且傳導度更可達到 0.12S/cm 的水準。因此交聯狀聚醚醚
酮具有成為新型燃料電池之質子交換膜的潛力。
A series of branched and cross-linked poly(ether ketone)s were
synthesized by aromatic nucleophilic substitution reaction. The branching
and cross-linking were effective to improve the dimensional stability
under wet condition without losing their high thermal, oxidative, and
hydrolytic stability. The membranes exhibited high conductivity of 10-1
S/cm at 70oC、100% RH, and 10-2S/cm at 25oC、100% RH equally.
Especially B-Np-SPEEKK membrane exhibited low swelling ratio (29%
deformation), and exhibited high conductivity of 0.12S/cm at 70oC、
100RH. The results exhibited these branched and cross-linked ionomer
membranes are possible to become new type proton exchange membranes
in fuel cell.
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