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功能性高分子 報告 導電聚苯胺 /PU-silica 混合膜 姓名：洪鳳君 學號： 49740022

功能性高分子 報告 導電聚苯胺 /PU-silica 混合膜 姓名：洪鳳君 學號： 49740022. 序論. 為了改善水性導電聚苯胺薄膜之機械性能及抗水性，將水性導電聚苯安與末端帶有矽醇基之 PU 混合，製備成導電聚苯胺 /PU-silica 混合膜 ( hybrid film )。. 實驗方法. 溶膠凝膠相互轉換前體的準備

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功能性高分子 報告 導電聚苯胺 /PU-silica 混合膜 姓名：洪鳳君 學號： 49740022

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  1. 功能性高分子 報告 導電聚苯胺/PU-silica混合膜 姓名：洪鳳君 學號：49740022

  2. 序論 • 為了改善水性導電聚苯胺薄膜之機械性能及抗水性，將水性導電聚苯安與末端帶有矽醇基之PU混合，製備成導電聚苯胺/PU-silica混合膜(hybrid film)。

  3. 實驗方法 • 溶膠凝膠相互轉換前體的準備 • 將PEG 600、DMPA、DBTDL及MEK置入具有攪拌器、回流冷凝器和氮氣吹洗(nitrogen purge)配備的三頸瓶中加熱至75℃，之後將IPDI緩慢加入，反應混合物加熱至90℃並攪拌4h即得到末端為異氫酸酯的預聚物。 • 將反應混合物降溫至60℃，之後將含有APTES的MEK溶液加入反應器中，等到MEK完全蒸餾出時，將水和乙醇共溶劑加入並劇烈攪拌，得到末端為矽醇基之異氫酸酯分散液。 • 之後將MTES加入此分散液中並在室溫下攪拌4h，即得到末端為矽醇基之異氫酸酯/MTES前驅物。

  4. 實驗方法 • 導電性混和的準備 • 利用化學劑量法將sol-gel所製備之前驅物溶液逐滴滴入水溶性導電聚苯胺中，在室溫下攪拌4h，隻後塗佈在基板上，然後置入50℃烘箱中乾燥1天。

  5. 結果與討論導電混和的導電和準備

  6. 結果與討論導電混和的導電度和準備 隨著PANI含量增加，導電度隨之增加。

  7. the cPANI/polyurethane-silica 混和 FTIR 光譜 attributed to the hydrogen bonding between -NH of cPANI and –C=O group of polyurethane-silica hybrid network. C=O

  8. cPANI/polyurethaneesilica 混和膜的SEM 圖

  9. 混和膜在 填入不同cPANI的固狀 Si-MAS NMR 光譜 Two peaks at -67.8 ppm and -58.3 ppm were assigned to T3-type silicon and T2-type silicon, respectively,

  10. 機械的屬性

  11. 結論 • 此實驗成功製備水性導電PANI與PU-silica混成的溶膠-凝膠網絡。 • 水性的PANI薄膜之機械強度和電穩定性得到明顯的改善，且可用於抗靜電的應用。

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