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研究生:鄭仁信
研究生(外文):Ren-shin Cheng
論文名稱:利用仿去氧核醣核酸作用力提升超分子聚合物混摻相溶性
論文名稱(外文):Miscibility enhancement of supramolecular polymer blends through DNA-like interactions
指導教授:郭紹偉郭紹偉引用關係
指導教授(外文):Shiao-Wei Kuo
學位類別:碩士
校院名稱:國立中山大學
系所名稱:材料科學研究所
學門:工程學門
學類:材料工程學類
論文種類:學術論文
論文出版年:2008
畢業學年度:97
語文別:中文
論文頁數:81
中文關鍵詞:去氧核醣核酸超分子混摻
外文關鍵詞:DNAsupramolecularblend
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本論文利用微分掃瞄卡計(DSC)、原子力顯微鏡(AFM)、1H核磁共振光譜(NMR)、一維和二維傅利葉轉換紅外線光譜(FTIR)、尺寸排除層析儀(SEC)、動態光散射(DLS)、黏度分析等,來研究高分子聚摻行為特殊作用力。並且探討聚(乙稀基型胸腺嘧啶-甲基丙烯酸丁酯)共聚物 (PVBT-co-PBMA, T-PBMA)混摻聚(乙烯基型腺嘌呤-苯乙烯)共聚物 (PVBA-co-PS, A-PS)後,藉由改變去氧核醣核酸基團(乙烯基型胸腺嘧啶和乙烯基型腺嘌呤)在共聚物中的含量後,探討多重氫鍵錯合所造成的相互影響和超分子結構。
我們將利用FTIR和1H NMR光譜來觀察VBT和VBA之間特殊的多重氫鍵作用力。另外,利用黏度量測、SEC、和DLS來證明二相混摻系統中的超分子網狀結構的形成。並且當A-PS/T-PBMA混摻系統裡,共聚物中的乙烯基胸腺嘧啶和乙烯基腺嘌呤含量超過11 mol %時,將使得混摻系統轉變為單一相溶相態,並且實驗數據符合Painter–Coleman association model(PCAM)的理論預測。
Differential scanning calorimetry (DSC), atomic force microscopy (AFM), 1H nuclear magnetic resonance (NMR), one-and two-dimensional fourier transform infrared spectroscopes (FTIR), size exclusion chromatography (SEC), dynamic light scattering (DLS), viscosity analyses have been used to investigate the miscibility behavior, specific interactions and supramolecular structures of poly(vinylbenzyl thymine-co-butyl methacrylate) (PVBT-co-PBMA, T-PBMA) blending with poly(vinylbenzyl adenine-co-styrene) (PVBA-co-PS, A-PS) through multiple hydrogen bonding complex upon varying the vinylbenzyl thymine and vinylbenzyl adenine contents in DNA-like copolymers.
We describe FTIR and 1H NMR spectra reveal that hydrogen bonding between VBA and VBT exclusively. In addition, viscosity measurement, SEC, and DLS provide the formation of supramolecular network structure in this binary blend system. A miscibility window exists when the vinylbenzyl thymine and vinylbenzyl adenine fraction in the copolymer is greater than 11 mol% in the A-PS/T-PBMA blend system, as predicted using the Painter–Coleman association model.
中文摘要 I
英文摘要 II
目錄 III
表目錄 VI
圖目錄 VII
第一章 緒論 1
1-1前言 1
1-2研究動機 4
第二章 理論與文獻回顧 6
2-1 氫鍵作用力概說 6
2-2 摻合原理 7
2-3 氫鍵摻合系統原理 9
2-4 Painter-Coleman Association Model應用於二相摻合系統 12
2-5 去氧核醣核酸鹼基對於摻合系統的應用 13
第三章 實驗方法與步驟 19
3-1 實驗內容 19
3-2 使用藥品 22
3-3 合成方法 23
3-3-1 乙烯基型胸腺嘌呤合成(synthesis of vinyl benzyl adenine, VBA) 23
3-3-2 乙烯基型胸腺嘧啶合成(synthesis of vinyl benzyl thymine, VBT) 24
3-3-3共聚合反應(Copolymerization, A-PS & T-PBMA) 24
3-4 實驗方法與儀器使用 25
3-4-1 氫核磁共振光譜儀(Proton Nuclear Resonance Spectrometer 1H-NMR) 型號: Varian® Unity Inova-500。 25
3-4-2 傅利葉轉換紅外線光譜儀(Fourier Transform Infrared
Spectrometer, FT-IR) 型號﹕Bruker Tensor-27 26
3-4-3 微差掃瞄卡計(Differential Scanning Calorimeter, DSC) 27
3-4-4 動態光散射(Dynamics Light Scattering, DLS) 28
3-4-5 凝膠滲透層析儀(Gel Permeation Chromatography, GPC) 29
3-4-6 黏度試驗(Viscosity ) 30
第四章 結果與討論 31
4-1 VBA/VBT單體與A-PS/T-PBMA共聚物鑑定 31
4-2 A-PS/T-PBMA二相混摻分析 34
4-2-1 DSC, AFM分析 34
4-2-2 FTIR分析 36
4-2-3 超分子結構的SEC, Viscosity, 和DLS分析 39
4-2-4互溶相圖Painter-Coleman Association Model分析 41
第五章 結論 64
參考文獻 65
作者簡介 70
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