本研究針對聚氧代氮代苯并環己烷(PBz)高分子薄膜進行改質，以應用於滲透蒸發分離程序，利用不同進料組成與進料溫度，探討其分離效能與薄膜穩定性。並利用不同方法使PBz高分子膜親水化，進而使其於滲透蒸發分離程序中能有較高的通透量。本研究嘗試摻混具有親水性的高分子如幾丁聚醣以及聚乙烯亞胺、親水性化合物如四乙烯五胺(TEPA)或是摻混鹵化物如1,4-對二氯苯與1,3-二溴丙烷於PBz高分子中，藉由導入親水性材料或是將PBz高分子四級銨化使薄膜親水化，但這些方法無法使PBz薄膜在滲透蒸發分離程序中有較高的通透量。而實驗結果發現將PBz薄膜浸泡於鹼性水溶液的表面處理方式，能使PBz薄膜親水化，並於滲透蒸發分離程序有較高的通透量，但此方法不適用於異丙醇水溶液系統；於四氫呋喃水溶液系統下，PBz-10薄膜的通透量可提升1.2至1.7倍且未降低其分離效能。PBz薄膜以及PBz-10薄膜在不同的進料溫度(25至55℃)與在廣泛的進料濃度(30至90 wt% THF)下，其滲透蒸發測試結果及穩定性表現良好。

Polybenzoxazine (PBz) membranes with modification have been used for liquid-liquid pervaporation separation by different feed concentrations and different feed temperatures to investigate the separation performance and the membrane stability in this research. We used many methods to make PBz membrane more hydrophilic in order to increase the pervaporation separation flux. We tried PBz to blend with not only hydrophilic materials such as chitosan, poly(ethyleneimine) and tetraethylenepentamine (TEPA) but also halides like p-xylylene dichloride and 1,3-dibromopropane which made PBz quaternized to increase the membrane hydrophilicity. But these methods didn’t work in the increase of the pervaporation separation flux. It shows that immersing the PBz membrane in a basic NaOH aqueous solution made it more hydrophilic and showed higher pervaporation separation flux. However, the surface modification was not appropriate for isopropanol aqueous solutions system. The PBz-10 membrane shows high pervaporation separation flux which are about 1.2-fold to 1.7-fold of the value measured with the PBz membrane without decreasing the separation performance at the system of tetrahydrofuran aqueous solutions. In this work, the PBz membrane and the PBz-10 membrane are effective for pervaporation dehydration on tetrahydrofuran aqueous solutions in a wide concentration range of 30 to 90 wt% and a wide temperature range of 25 to 55℃.

中文摘要 I
Abstract II
致謝 III
目錄 IV
圖目錄 VIII
表目錄 XIV
第一章 緒論 1
1-1薄膜分離程序 1
1-2滲透蒸發分離程序 3
1-3研究動機與目的 7
第二章 文獻回顧 8
2-1穩定性高分子膜於滲透蒸發分離程序之應用 8
2-1-1 PI薄膜於滲透蒸發分離程序之應用 8
2-1-2 PTFE薄膜於滲透蒸發分離程序之應用 12
2-1-3 PVDF薄膜於滲透蒸發分離程序之應用 15
2-1-4 PBI薄膜於滲透蒸發分離程序之應用 18
2-2聚氧代氮代苯并環己烷(Polybenzoxazine，PBz)簡介 24
2-2-1 PBz薄膜於滲透蒸發分離程序之應用 26
2-3以滲透蒸發分離程序分離四氫呋喃(THF)與水之混合物 30
第三章 實驗 35
3-1實驗藥品 35
3-2 實驗儀器 38
3-3 實驗步驟 41
3-3-1 PBz-oda之合成反應[40] 41
3-3-2 PBz-oda薄膜製備 43
3-3-3 鹼性溶液處理之PBz薄膜製備 43
3-3-4 薄膜吸水率測試 44
3-3-5 滲透蒸發測試 45
第四章 聚氧代氮代苯并環己烷之製備及其滲透蒸發效能之研究 47
4-1前言 47
4-2 PBz結構鑑定 47
4-3薄膜表面親/疏水性與吸水率測試 51
4-4薄膜之拉力測試 53
4-5 PBz-oda薄膜應用於異丙醇水溶液之滲透蒸發分離程序 54
4-5-1進料組成對PBz-oda膜於滲透蒸發分離效能之影響 54
4-5-2進料溫度對PBz-oda膜於滲透蒸發分離效能之影響 56
4-5-3 PBz-oda膜於滲透蒸發分離效能與文獻結果之比較 58
4-6 PBz-oda薄膜應用於四氫呋喃水溶液之滲透蒸發分離程序 60
4-6-1進料組成對PBz-oda膜於滲透蒸發分離效能之影響 60
4-6-2進料溫度對PBz-oda膜於滲透蒸發分離效能之影響 62
4-6-3 PBz膜於滲透蒸發分離效能與文獻結果之比較 64
第五章 聚氧代氮代苯并環己烷改質之製備及其滲透蒸發效能之研究 66
5-1前言 66
5-2摻混幾丁聚醣於PBz高分子 66
5-3摻混四乙烯五胺(TEPA)於PBz高分子 68
5-4 PBz高分子四級銨化 69
5-4-1摻混1,4-對二氯苯(BCB)於PBz高分子 69
5-4-2摻混1,3-二溴丙烷於PBz高分子 70
5-5摻混聚乙烯亞胺(PEI)於PBz高分子 72
5-5-1薄膜表面親/疏水性測試 72
5-5-2薄膜拉力測試 73
5-5-3薄膜應用於滲透蒸發分離程序 74
5-6 PBz薄膜浸泡於鹼性水溶液 77
5-6-1薄膜表面親/疏水性測試 77
5-6-2薄膜拉力測試 78
5-6-3薄膜應用於異丙醇水溶液之滲透蒸發分離程序 80
5-6-4薄膜應用於四氫呋喃水溶液之滲透蒸發分離程序 82
5-6-5 PBz膜於滲透蒸發分離效能與文獻結果之比較 87
5-7結論 88
第六章 參考文獻 89

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