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研究生:黃士哲
研究生(外文):Shih-Che Huang
論文名稱:成核劑表面改質對聚-3-羥基丁酸酯之結晶與劣化性質影響研究
論文名稱(外文):Effects of the surface treatments of inorganic fillers on the crystallization and thermal degradation properties of polyhydroxybutyrate
指導教授:洪信國
學位類別:碩士
校院名稱:元智大學
系所名稱:化學工程與材料科學學系
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:119
中文關鍵詞:聚-3-羥基丁酸酯結晶劣化表面處理動力
外文關鍵詞:polyhydroxybutyratecrystallizationdegradationsurface treatmentDSCkinetics
相關次數:
  • 被引用被引用:1
  • 點閱點閱:190
  • 評分評分:
  • 下載下載:4
  • 收藏至我的研究室書目清單書目收藏:1
本研究為探討聚-3-羥基丁酸酯(Polyhydroxybutyrate, PHB)掺混不同成核劑後的熱性質與結晶性質,利用傅式紅外線光譜儀(Fourier Transform Infrared Spectroscopy, FT-IR)分析成核劑改質前後的官能基變化,由熱重量分析儀(Thermogravimetric Analysis, TGA)分析純化前後PHB及掺混各種成核劑後的熱性質變化,再由示差掃描熱分析儀(Differential Scanning Calorimetry, DSC)研究其動態結晶行為,利用恆溫結晶動力與非恆溫結晶動力對各樣品做進一步結晶探討。偏光顯微鏡(Polarized Optical Microscopy, POM)觀察各樣品之結晶大小形狀,X-ray繞射儀(X-ray Diffraction, XRD)觀察各樣品晶格結構與晶格變化。純化PHB可提升初始劣解溫度與最大劣解溫度,成核劑中以掺混Hydrophobic Silica(R812)-2 PHR後能提升最大裂解溫度及提升最多結晶速率與結晶量,掺混接枝Poly amide(PA)後Hydrophilic Silica(A300)提升次多結晶速率,且使PHB材料生成較完美結晶,POM觀察出PHB樣品結晶為球晶型態,且摻混成核劑後成核密度上升,使PHB平均球晶大小下降。XRD結果顯示掺混各成核劑後晶型結構無明顯變化,掺混A300後晶格大小降低,掺混其他成核劑後晶格大小皆提昇。
The effects of the surface treatments of inorganic fillers on the crystallization and thermal degradation properties of polyhydroxybutyrate (PHB) are studied using differential scanning calorimetry (DSC), Fourier transformed infrared spectroscopy (FTIR), polarized light microscope (POM), wide angle x-ray diffraction (WAXD), and themgravimetric analysis (TGA). From FTIR and TGA analyses, it is indicated that the fumed silica can be effectively grafted with the reactive silanes and long chain amides. The thermal degradation of PHB can be significantly improved by the addition of only one part per hundred PHB (phr) inorganic silica or other modified silica. The results of DSC indicate that PHB with 2 phr hydrophobic silica can have the greatest increases of the thermal stability, crystallization rate, and crystallinity. The use of the amide modified silica can effectively decrease the melt-recrystallization extent of PHB near the melting temperature. The crystal size of PHB decreases with the addition of the silica. The crystallization kinetic parameters of PHB are also changed by the type of silica added.
總目錄
誌謝 III
中文摘要 IV
Abstract V
總目錄 VI
圖目錄 X
表目錄 XIV
第一章、緒論 1
1-2 研究動機與方向 3
第二章、文獻回顧 4
2-1 可分解性塑膠簡介 4
2-2 生物可分解材料分類 6
2-3 聚-3-羥基丁酸酯(PHB)簡介 8
2-4 PHB熱性質 11
2-5 高分子結晶 13
2.5.1 高分子材料的再結晶性質 16
2.5.2 結晶成核 18
2.5.3 成核劑 20
2.6 矽氧烷偶合劑表面改質 21
2.6.1 A300接枝Methyl methacrylate 21
2.6.2 A300接枝Polyamide 23
第三章、理論分析 25
3.1 示差掃描熱分析儀(Differential Scanning Calorimetry, DSC) 25
3.1.1 Avrami 方程式 25
3.1.2 Ozawa analysis 27
3.1.3 Kissinger analysis 28
3.2 熱重量分析儀(Thermogravimetric Analysis, TGA) 29
3.2.2 Flynn-wall-Ozawa analysis 29
3.3 傅式紅外線光譜儀(Fourier Transform Infrared Spectroscopy, FT-IR) 30
3.4 偏光顯微鏡(Polarized Optical Microscopy, POM) 30
3.5 X光繞射分析儀(X-ray diffraction, XRD) 31
3.5.1 Scherrer analysis 31
第四章、實驗部份 32
4.1 實驗藥品 32
4.2 儀器設備 33
4.3 實驗步驟 34
4.3.1 樣品製備 34
4.3.2 FTIR測試 36
4.3.3 TGA測試 37
4.3.4 DSC測試 37
4.3.5 POM測試 39
4.3.6 XRD測試 39
第五章、結果與討論 40
5.1 FTIR分析 41
5.2 TGA分析 42
5.2.1 PHB與純化後PHB 42
5.2.2 PHB掺混A300 43
5.2.3 PHB掺混R812 44
5.2.4 PHB掺混A300(Z6030)-MMA 44
5.2.5 PHB掺混A300(Z6040)-PA 45
5.3 DSC分析 46
5.3.1 PHB與純化後PHB 46
5.3.2 PHB掺混A300 47
5.3.3 PHB掺混R812 48
5.3.4 PHB掺混接枝MMA後之A300 49
5.3.5 PHB掺混接枝PA後A300 50
5.4 DSC等溫結晶動力分析 52
5.5 DSC非恆溫結晶動力分析 57
5.6 偏光顯微鏡POM分析 61
5.7 XRD分析 62
第六章、結論 63
第七章、參考文獻 65
圖形 72
數據表格 100
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