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研究生:尤偉竹
研究生(外文):Wei-Jhu You
論文名稱:異聚酸載體觸媒之醯化反應研究
論文名稱(外文):Studies on Friedel–Crafts Acylation by Supported Heteropoly Acid Catalysts
指導教授:何澤民
指導教授(外文):Tze- Min Her
學位類別:碩士
校院名稱:龍華科技大學
系所名稱:工程技術研究所
學門:工程學門
學類:綜合工程學類
論文種類:學術論文
論文出版年:2009
畢業學年度:97
語文別:中文
論文頁數:78
中文關鍵詞:乾凝膠轉換異聚酸載體觸媒醯化
外文關鍵詞:Heteropoly acidsDry gel conversionsupport catalystFriedel–Crafts Acylation
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Currently among the heterogeneous catalysts used in Friedel-Crafts acylation reactions, the heteropoly acids supported by zeolite or some highly stabe metal oxides are often used. But current methods of preparing supported heteropoly acid catalysts are rather complicated and time-consuming; that is why the supported heteropoly acid catalysts have not been widely used in the industry.
In this study, we use the Dry Gel Conversion (DGC) technique combined with the Steam Assisted Conversion (SAC) technique to prepare a series of HPW/SiO2 catalysts by changing preparation parameters. By using this method, we found that the preparation procedures can be simplified significantly. The HPW/SiO2 catalysts were characterized by XRD, TEM, and FT-IR their activities were tested through the acylation of anisole and veratrole.
The XRD patterns show that the catalysts are amorphous, and the amount of supported catalyst can be reduced by rising SAC temperature and increasing SAC time. The TEM pictures indicate that the catalysts are covered by supports. By means of pyridine adsorption and FT-IR, we realize that there is more Bronsted acid than Lewis acid.
By comparing the conversions of the acylation of anisole and the acylation of veratrole with different catalysts, the optimal catalyst and reaction condition can be found.
中文摘要 i
英文摘要 ii
誌謝 iii
目錄 iv
表目錄 vi
圖目錄 vii
第一章 緒論 1
1.1 前言 1
1.2 研究目的 2
第二章 理論基礎 3
2.1 芳香族之佛瑞德-克萊福特醯化反應 3
2.2 均相觸媒與非均相觸媒 7
2.2.1 均相觸媒 9
2.2.2 非均相觸媒 11
2.3 固體酸觸媒 14
2.4 異聚酸 16
2.5 觸媒製備方法 19
2.6 文獻論述 25
第三章 實驗方法 30
3.1異聚酸載體觸媒 30
3.1.1 藥品 30
3.1.2 儀器設備 30
3.1.3 實驗方法 31
3.2茴香醚之醯化反應 34
3.2.1 藥品 34
3.2.2 儀器 34
3.2.3 實驗方法 34
3.3藜蘆醚之醯化反應 36
3.3.1 藥品 36
3.3.2 儀器 36
3.1.3 實驗方法 36
第四章 結果與討論 38
4.1 異聚酸載體觸媒分析 38
4.1.1 XRD繞射分析 38
4.1.2 傅立葉紅外光譜 43
4.1.2.1 觸媒特徵分析 43
4.1.2.2 觸媒酸活性種類分析 48
4.1.3穿透式電子顯微鏡 51
4.1.5觸媒分析論述 56
4.2 醯化反應檢測 58
4.2.1 茴香醚之醯化反應 60
4.2.2 藜蘆醚之醯化反應 68
第五章 結論 73
參考文獻 75
附錄 78
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