臺灣博碩士論文加值系統

本研究利用高分子摻合技術，將吸附劑(活性氧化鋁)與共聚高分子(Poly(HEMA-co-NMA-co-NIPAAm))進行摻合，製備高吸濕性與溫敏性的複合材料。提升吸附劑的吸附量並降低脫附所需能量，提高工業方面能源使用效率。
首先，成功利用自由基聚合(Free radical copolymerization)合成Poly(HEMA-co-NMA-co-NIPAAm)共聚高分子(其中HEMA為高吸水性材料、NMA提供化學交聯、NIPAAm為溫敏性吸水材料)，接著與具有吸附性、多孔性高分散度、大比表面積的活性氧化鋁進行摻合，藉由調整實驗條件(沾附或攪拌)，將高分子披覆在活性氧化鋁上。利用 (1) 不同的高分子摻和條件，(2) 不同濃度高分子溶液披覆，(3) 室溫飽和吸水時間的差異，(4) 不同溫度下的脫水效率，進一步探討此複合材料於水氣吸附、脫附的應用。
綜上所述，此高吸濕性與溫敏性複合材料，提升了吸附劑的吸濕性能與降低水氣脫附所需的能量，且能夠重複再使用，未來在工業製程及環境水氣的吸附等相關領域，具相當大的發展潛力。

The mainly use of techniques in this research is polymer composite, the composite of adsorbent (activated alumina)/copolymers (Poly (HEMA-co-NMA-co-NIPAAm)) is possessing a capacity of highly hygroscopicity and thermo-responsive. The function is to Enhance the adsorption capacity of the adsorbent and also reduce the desorption of the energy needed to improve industrial energy efficiency.
First of all, a successfully synthesis of Poly (HEMA-co-NMA-co-NIPAAm) copolymers via free radical copolymerization (herein, HEMA is water absorbing monomer, NMA acts as a chemical crosslinker, and NIPAAm is thermo-responsive and water absorption moiety). And then, blending with activated alumina (highly dispersion porosity and large surface area). The copolymers coated on the activated alumina by the adjustments of the experimental conditions (the buildup or stirring).
Using the below conditions to do the applications of water vapor adsorption/desorption in this composite material
(1) Blending copolymer with different conditions, (2) different concentrations of copolymer solution coating, (3) difference of water saturation time at room temperature, (4) the efficiency of dehydration at different temperatures.
In conclusion, this highly hygroscopicity and thermo-responsive composite effectively enhance the moisture absorption with low moisture vapor desorption and energy required. Besides, it could be used repeatedly, therefore, this composite is quite a big potential development in the future regarding to the process of industrial and environmental water absorption field.

摘　要 i
ABSTRACT iii
誌 謝 v
目 錄 vii
表目錄 x
圖目錄 xi
第一章 緒論 1
1.1 前言 1
1.2 研究動機 2
第二章 文獻回顧與理論基礎 4
2.1 除濕材料介紹 4
2.2 壓縮空氣介紹 7
2.3 吸附式乾燥機介紹 10
2.4 吸附劑介紹 12
2.4.1 活性碳介紹 13
2.4.2 矽膠介紹 15
2.4.3 沸石介紹 16
2.4.4 活性氧化鋁介紹 17
2.5 吸附原理介紹 18
2.6 吸附種類介紹 19
2.6.1 吸附劑再生方式 20
2.7 交聯劑介紹 21
2.8 高分子水膠 HEMA介紹 23
2.9 高分子水膠 NIPAAm介紹 25
第三章 實驗部分 28
3.1 實驗藥品 28
3.2 實驗儀器 29
3.3 合成Poly(HEMA-co-NMA-co-NIPAAm) 30
3.4 披覆Poly(HEMA-co-NMA-co-NIPAAm)在活性氧化鋁上 31
3.4.1 活性氧化鋁與高分子攪拌後熱交聯 31
3.4.2 活性氧化鋁與高分子沾附後熱交聯 32
3.5 室溫飽和吸附率測試(WH) 34
3.6 不同脫附溫度之吸附劑水氣脫除測試(WK) 34
3.7 Poly(HEMA-co-NMA-co-NIPAAm)的特性分析 34
3.7.1 傅立葉轉換紅外線光譜儀 (FT-IR) 34
3.7.2 熱重分析儀 (TGA) 36
3.7.3 微差掃描式熱分析儀 (DSC) 37
3.7.4 核磁共振光譜儀 (NMR) 38
3.7.5 凝膠滲透層析儀 (GPC) 40
第四章 結果與討論 42
4.1 室溫飽和吸附率測試(WH)結果 42
4.1.1 吸附時間不同的WH 42
4.1.2 高分子披覆方式不同的WH 44
4.1.3 高分子披覆濃度不同的WH 45
4.1.4 高分子摻合比例不同的WH 47
4.2 不同脫附溫度之吸附劑水氣脫除測試(WK)結果 48
4.3 傅立葉轉換紅外線光譜儀 (FT-IR)結果 52
4.4 熱重分析儀 (TGA)結果 55
4.5 微差掃描式熱分析儀 (DSC)結果 56
4.6 核磁共振光譜儀 (NMR)結果 57
第五章 結論 59
第六章 參考文獻 60

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