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研究生:郭仲文
研究生(外文):Chung-Wen Kuo
論文名稱:苯胺醛二次摻合物對聚苯胺導電性質的影響
論文名稱(外文):Conductive Effect of Anilinic Formaldehyde asa Polymeric Secondary Dopant on Polyaniline
指導教授:施良垣
指導教授(外文):Liang-Yuan Shy
學位類別:碩士
校院名稱:國立成功大學
系所名稱:化學系碩博士班
學門:自然科學學門
學類:化學學類
論文種類:學術論文
論文出版年:2002
畢業學年度:90
語文別:中文
論文頁數:74
中文關鍵詞:聚苯胺苯胺醛聚合物型二次摻合物形態學
外文關鍵詞:MorphologyPolyanilineAniline FormaldehydePolymeric Secondary Dopant
相關次數:
  • 被引用被引用:24
  • 點閱點閱:624
  • 評分評分:
  • 下載下載:45
  • 收藏至我的研究室書目清單書目收藏:2
  本篇首先以十二烷基苯磺酸(簡稱DBSA)摻雜聚苯胺而形成離子性聚苯胺(簡稱PADB)。經丙酮清洗後,我們發現極子/二極子轉移之最大吸收波長為 878 nm,較文獻報導之750~800 nm為高,大幅提昇聚苯胺之導電度。
  其次以DBSA中和苯胺後,再加甲醛聚合而形成離子性苯胺醛(簡稱AFDB)作為PADB的聚合物型二次摻合物,希望藉此破壞聚苯胺本身之氫鍵,而與聚苯胺分子另形成氫鍵,使聚苯胺分子從被扭曲的結構中釋放出來,形成較筆直的結構。由實驗得知DBSA中和程度較高之苯胺醛,會壓縮聚苯胺的主鏈,使其更為扭曲。相反的,DBSA含量較少之苯胺醛,則使聚苯胺分子形成較筆直的結構。
  由示差掃描卡計可知,PADB含量超過50 ﹪之PADB/AFDB1.0摻合物有較佳互溶性。PADB/AFDB摻合物之導電隨PADB、AFDB之組成及形態學而改變。
  Polyaniline has been doped firstly with dodecyl benzenesulfonic acid(DBSA)to form ionic polyaniline(PADB). After washing wish acetone, the polaron/bipolaron transition of PADB was found to have a maximum absorbance at 878 nm, which was higher than that reported in literatures(750~800 nm). The finding raised the conductivity of polyaniline considerably.
  An ionic aniline formaldehyde(AFDB)was synthesized by neutralizing aniline with DBSA and then polymerized with formaldehyde to be used as a polymeric secondary dopant for PADB. The purpose was to destroy the hydrogen bond between PADB and to form new hydrogen bond between PADB and AFDB, such that polyaniline molecule could be released from coiled structure to become a rigid one. It was learned from the experiment that high content of DBSA in AFDB compressed the backbone of PADB, and made it more coiled. On the contrary, AFDB with less DBSA made PADB more rigid.
  It was also found from the differential scanning calorimetry measurement that PADB/AFDB1.0(high DBSA content) blend with more than 50 ﹪PADB became misable. The conductivity of the blend varied with the composition of PADB、AFDB and the morphology.
中文摘要
英文摘要
目 錄 1
圖索引 3
表格索引 5
第一章 緒論 6
第二章 文獻回顧 12
2-1本質型導電性高分子的發展過程 12
2-2聚苯胺回顧 15
2-3摻雜(Doping) 21
2-4摻合(Blending) 25
2-5導電理論 28
2-6導電高分子的應用 31
第三章 實驗部分 36
3-1實驗藥品 36
3-2實驗儀器 38
3-3實驗流程圖 40
3-4實驗步驟 43
3-5測試條件 47
3-6實驗代號說明 49
第四章 結果與討論 50
4-1聚苯胺(PADB)產物之鑑定 50
4-2聚苯胺醛之鑑定 51
4-3以丙酮清洗PADB前後之UV-Vis圖比較 52
4-4 PADB/AFDB1.0與PADB/AFDB0.5之UV-Vis圖 52
4-5 PADB/AFDB1.0之TGA分析 54
4-6 PADB/AFDB1.0之MDSC與FTIR分析 55
4-7 PADB/AFDB1.0之光學顯微鏡分析 55
4-8 PADB/AFDB之導電度與λmax之分析 56
第五章 結論 58
參考文獻 60
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