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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 邱文英 | |
dc.contributor.author | Ya-Chun Huang | en |
dc.contributor.author | 黃雅君 | zh_TW |
dc.date.accessioned | 2021-06-08T04:21:27Z | - |
dc.date.copyright | 2010-07-21 | |
dc.date.issued | 2010 | |
dc.date.submitted | 2010-07-12 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/22582 | - |
dc.description.abstract | 此實驗主要可分為兩個部份,第一部份是利用乳化聚合法合成PEDOT奈米乳膠顆粒,第二部份是將第一部份得到的PEDOT奈米乳膠顆粒,與PU薄膜作結合,以得到具pH緩衝功能之PEDOT/PU奈米抗靜電複合薄膜。
在第一部份我們利用乳化聚合法,使用Fe(OTs)3以及雙氧水當作雙氧化劑系統,氧化EDOT (3,4-ethylenedioxythiophene)單體,合成出導電高分子PEDOT奈米乳膠顆粒。合成好之PEDOT乳膠顆粒利用TEM及動態光散射法( DLS )觀察其型態與粒徑分佈,發現PEDOT乳膠顆粒粒徑約為60-150nm,並以UV-Visible光譜觀察PEDOT乳液透析純化前後摻雜( doping )程度的影響。第二部份則是將PEDOT乳膠顆粒與PU作結合。在PEDOT/PU方面,分別以未純化之PEDOT以及經過透析純化之PEDOT與PU作結合,製備成PEDOT/PU複合薄膜。接著我們將PEDOT/PU複合薄膜以熱重損失分析儀( TGA )、微差掃描卡計( DSC )與萬能拉力機探討分析其機械性質、熱性質、相容性與結構間作用力等問題。 在導電度方面,以未純化之PEDOT進行與PU的混摻,我們發現此複合薄膜,其導電度隨著PEDOT的含量上升而上升。結果顯示,在添加2wt% PEDOT時,導電度由純PU的10-8S/cm提高到 10-6 S/cm,成功達到抗靜電範圍。另一方面,我們以掃描式電子顯微鏡( Scanning Electron Microscopy, SEM )觀察PEDOT/PU複合薄膜表面型態,從SEM圖發現,未純化之PEDOT/PU複合薄膜,PEDOT分散地較為均勻,彼此相容性佳。而藉由PU本身的材料特性,可以有效改善PEDOT本身硬脆,不易加工的缺點。 在酸鹼緩衝部分, PEDOT/PU複合薄膜可讓pH=5-9之水溶液調控到pH=7附近。因此本實驗成功地製備了同時具有酸鹼緩衝與抗靜電特性之多功能PEDOT複合薄膜。 | zh_TW |
dc.description.abstract | This study was divided into two main parts. First, by using emulsion polymerization, PEDOT latex nanoparticles were synthesized. Second, the PEDOT latex obtained in first part was combined with Polyurethane ( PU ) to prepare the PEDOT/PU composite films with pH-tuning and anti-electrostatic properties.
In the first part, PEDOT latex nanoparticles were synthesized by emulsion polymerization, which both Fe(OTs)3 and H2O2 were used as mixed initiators during the polymerization. The morphology of PEDOT latex nanoparticles was observed by TEM and DLS. Results showed that the sizes of PEDOT nanoparticles were from 60 to 150 nm. The doping level of PEDOT latex was also observed via UV-visible spectrometer. In the second part, PEDOT latex nanoparticles were mixed with PU to prepare the PEDOT/PU composite films. We used unpurified PEDOT or purified PEDOT to fabricate PEDOT/PU composite films. The properties of PEDOT/PU composite films were measured by thermogravimetric analysis ( TGA ), differential scanning calorimetry ( DSC ) and tensilon to discuss the mechanical and thermal properties. The interaction and compatibility of the PEDOT/PU blends were also studied. The conductivity of the unpurified PEDOT/PU composite films increased with the weight ratio of the PEDOT. When the weight of PEDOT reached to 2 wt%, the conductivity of PEDOT/PU composite film raised from 10-8 S/cm to 10-6 S/cm which located in the range of anti-electrostaticity. From the results of scanning electron microscopy ( SEM ), the unpurified PEDOT nanoparticles in PU films showed better dispersity and compatibility than the purified one. The pH-tuning capacity of PEDOT latex and PEDOT/PU composite films were both tested in aqueous solution with different pH value. The pH regulation capacities of PEDOT latex nanoparticles and PEDOT/PU composite films showed good ability in the region of pH=5-9 and weak basic region, respectively. | en |
dc.description.provenance | Made available in DSpace on 2021-06-08T04:21:27Z (GMT). No. of bitstreams: 1 ntu-99-R97549003-1.pdf: 6368444 bytes, checksum: 9339986c806a8bd91e571d1777a1f120 (MD5) Previous issue date: 2010 | en |
dc.description.tableofcontents | 摘要 I
Abstract II 目錄 IV 表目錄 VI 圖目錄 VII 第一章 緒論 1 第二章 文獻回顧 3 2-1 導電高分子 3 2-1-1 導電高分子的簡介 3 2-1-2 導電性高分子原理 4 2-1-2-1 複合型導電高分子的導電原理 4 2-1-2-2 本質性導電高分子的導電原理 4 2-1-2-3 摻雜原理及方法 6 2-1-3 導電高分子 PEDOT之介紹 7 2-1-4 導電性的評估 9 2-1-5 導電高分子之應用 9 2-2 聚胺脂 ( Polyurethane ; PU ) 12 2-3 乳化聚合反應 14 2-3-1 乳化聚合反應的成核機構 16 2-3-1-1 微胞成核理論( micellar nucleation ) 16 2-3-1-2 均質成核理論( homogeneous nucleation ) 17 2-3-1-3 凝聚成核理論( coagulative nucleation ) 17 2-3-1-4 單體液滴成核( monomer droplet nucleation ) 18 2-4 薄膜材料 18 2-4-1 薄膜材料的基本特性 19 2-4-2 薄膜材料之研製 20 2-5 高分子混摻的加工方法 22 2-5-1 高分子混摻之相容性 23 第三章 實驗方法 25 3-1實驗藥品 25 3-2 使用儀器 26 3-3 實驗流程圖 29 3-3-1 合成聚3,4-乙烯二氧噻吩( PEDOT )懸浮乳液 30 3-3-2 製備PEDOT/PU複合薄膜 31 3-4 實驗步驟 32 3-4-1合成聚3,4-乙烯二氧噻吩( PEDOT )懸浮乳液 32 3-4-2 製備PEDOT/PU複合薄膜 32 3-5 性質測試 33 第四章 結果與討論 35 4-1合成聚3,4-乙烯二氧噻吩 (PEDOT)懸浮乳液 35 4-1-1 由 TEM 圖觀察 PEDOT 乳膠顆粒的型態 35 4-1-2 PEDOT DLS 分析 35 4-1-3 PEDOT FTIR 分析 35 4-1-4 PEDOT 乳膠顆粒熱分析 36 4-1-5 PEDOT UV-vis 分析 36 4-1-6 PEDOT對酸鹼緩衝效果的影響 36 4-2 PEDOT/PU 複合薄膜之分析 37 4-2-1 前言 37 4-2-2 以未純化 PEDOT 進行混摻 37 4-2-2-1 未純化之PEDOT/PU 複合薄膜之FTIR 分析 37 4-2-2-2未純化之PEDOT/PU 複合薄膜之熱分析 (TGA、DSC) 38 4-2-2-3 未純化之PEDOT/PU 複合薄膜之導電度測試 38 4-2-2-4 未純化之PEDOT/PU 複合薄膜對酸鹼緩衝效果的影響 38 4-2-2-5 未純化之PEDOT/PU 複合薄膜之機械性質 39 4-2-2-6 未純化之PEDOT/PU 複合薄膜之介電性質分析 39 4-2-2-7 未純化之PEDOT/PU 複合薄膜之表面、淬斷面型態分析 (SEM) 40 4-2-3 以純化過之 PEDOT 進行混摻 41 4-2-3-1 純化之PEDOT/PU 複合薄膜之FTIR分析 41 4-2-3-2 純化之PEDOT/PU 複合薄膜之熱分析 (TGA、DSC) 41 4-2-3-3 純化之PEDOT/PU 複合薄膜之導電度測試 41 4-2-3-4 純化之PEDOT/PU 複合薄膜之機械性質 42 4-2-3-5純化之PEDOT/PU 複合薄膜之表面、淬斷面型態分析 ( SEM ) 42 第五章 結論 43 參考文獻 45 附錄 80 | |
dc.language.iso | zh-TW | |
dc.title | 聚3,4-乙烯二氧噻吩/聚胺酯複合薄膜之合成及其酸鹼緩衝與抗靜電性質研究 | zh_TW |
dc.title | Synthesis and Characterization of PEDOT/PU composite film with pH-tuning and anti-electrostatic Properties | en |
dc.type | Thesis | |
dc.date.schoolyear | 98-2 | |
dc.description.degree | 碩士 | |
dc.contributor.oralexamcommittee | 謝國煌,董崇民 | |
dc.subject.keyword | 聚3,4-乙烯二氧噻,吩,聚氨酯,乳化聚合法,pH緩衝, | zh_TW |
dc.subject.keyword | PEDOT,PU,Emulsion polymerization,pH-tuning, | en |
dc.relation.page | 90 | |
dc.rights.note | 未授權 | |
dc.date.accepted | 2010-07-12 | |
dc.contributor.author-college | 工學院 | zh_TW |
dc.contributor.author-dept | 高分子科學與工程學研究所 | zh_TW |
顯示於系所單位: | 高分子科學與工程學研究所 |
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