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研究生:陳啟倫
研究生(外文):Chi-Lun Chen
論文名稱:聚鄰-胺基苯乙基醚∕黏土之奈米複合材料之製備與性質研究
論文名稱(外文):Preparation and Properties of Poly(o-ethoxyaniline)/Clay Nanocomposite Materials
指導教授:葉瑞銘葉瑞銘引用關係
指導教授(外文):Jui-Ming Yeh
學位類別:碩士
校院名稱:中原大學
系所名稱:化學研究所
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:2001
畢業學年度:89
語文別:中文
論文頁數:92
中文關鍵詞:聚鄰胺基苯乙基醚黏土奈米複合材料
外文關鍵詞:NanocompositePoly(o-ethoxyaniline)Clay
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Poly(o-ethoxyaniline) (PEA)∕黏土(Clay)的有機∕無機奈米複合材料的合成是由有機鄰-胺基苯乙基醚(o-Phenetidine)單體和無機層狀之蒙脫土(MMT),以化學氧化法藉由過硫酸銨(Ammonium Peroxodisulfate)當氧化劑,來行氧化聚合。 我們用的蒙脫土是屬於鈉型蒙脫土,為了讓蒙脫土能與我們的有機PEA混成,必須先用Tetradecyltrimethyl ammonium當改質劑,將鈉型蒙脫土改質為親油性蒙脫土。 在本研究中,將探討添加不同比例的PEA和親油性蒙脫土的奈米複合材料其熱性質與化學結構,並利用不同比例的PEA/Clay奈米複合材料塗佈在金屬上,研究其防腐蝕效果,並同時觀察其物性、化性的變化。 研究結果顯示,當增加親油性蒙脫土添加的比例時,此奈米複合材的耐熱性有明顯的提升,且抗腐蝕性、阻氣性也相對地提升。
A series of nanocomposite materials that consisted of emeraldine base of poly(o-ethoxyaniline) (PEA) and layered montmorillonite (MMT) clay were prepared by effectively dispersing the inorganic nanolayers of MMT clay in organic poly(o-ethoxyaniline) matrix via in-situ polymerization. Organic o-Phenetidine monomers were first intercalated into the interlayer regions of organophilic clay hosts and followed by an one-step oxidative polymerization. The as-synthesized poly(o-ethoxyaniline)-clay lamellar nanocomposite materials were characterized by infrared spectroscopy, wide-angle power X-ray diffraction, and transmission electron microscopy. Poly(o-ethoxyaniline)/clay nanocomposites (PCN) in the form of coating with low clay loading (e.g., 0.5 wt-%) on cold-rolled steel (CRS) were found much superior in corrosion protection over those of conventional Poly(o-ethoxyaniline) based on a series of electrochemical measurements of corrosion potential, polarization resistance, and corrosion current in 5 wt-% aqueous NaCl electrolyte. The molecular weights of poly(o-ethoxyaniline) extracted from PCN materials and bulk poly(o-ethoxyaniline) were determined by gel permeation chromatography (GPC). Effects of the material composition on the gas barrier property, thermal stability, and mechanical strength of poly(o-ethoxyaniline) along with PCN materials, in the form of both fine power and free-standing film, were also studied by gas permeability measurements, differential scanning calorimetry , thermogravimetric analysis, and dynamic mechanical analysis.
目 錄
中文摘要 ………………………………………………………….. Ⅰ
英文摘要 ………………………………………………………….. Ⅱ
目錄 ……………………………………………………………….. Ⅲ
圖目錄 …………………………………………………………….. Ⅴ
表目錄 …………………………………………………………….. Ⅶ
第一章緒論
1.1 前言 …………………………………………………………. 1
1.2 奈米級有機-無機混成複合材料簡介 …………………… 3
1.3 無機層狀材料黏土(Clay)之簡介 …………………….. 12
1.4 導電高分子簡介 ………………………………………….. 18
1.5 研究動機及目的 …………………………………………. 30
第二章研究用之儀器與藥品
2.1 儀器部份 …………………………………………………. 33
2.2 藥品部份 …………………………………………………. 35
第三章親油性改質型黏土的製備與鑑定
3.1 親油性改質型黏土之製備 ………………………………. 38
3.2 親油性改質型黏土之鑑定 ………………………………. 40
第四章PEA/Clay奈米複合材料之製備
4.1 PEA/Clay奈米複合材料之製備方法 …………………. 42
4.2 性質測試 …………………………………………………. 45
第五章結果與討論
5.1 結構形態鑑定 …………………………………………… 49
5.2 熱性質分析 ……………………………………………… 58
5.3 PEA分子量之鑑定 …………………………………….. 61
5.4 電化學性質分析 ……………………………………….. 64
5.5 氣體透過率測試(GPA) …………………………….. 76
5.6 光學性質分析 …………………………………………… 78
第六章結論 …………………………………………………….. 80
第七章參考文獻 ……………………………………………….. 82
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