臺灣博碩士論文加值系統

本研究中探討聚己內酯(PLC)或聚乙二醇（PEG）與塑化澱粉(TPS)之掺合物，加工後之熱性質變化。由示差掃描量熱儀(Differential Scanning Calorimetry，DSC)觀察掺合物之熱性質變化得知，聚乙二醇(PEG)與塑化澱粉(TPS)之掺合物於55 ℃有熔融峰，聚己內酯(PLC)與塑化澱粉(TPS)之掺合物於64 ℃有熔融峰。由熔融指數測試(Melt Flow Index ，MFI)測試得知隨著聚己內酯(PLC)的比例增加，掺合物之MFI值由0.33 g/10min提升至42.57 g/10min，表現出良好的熱熔融流動性。拉力試驗機(Universal Materials Testing Machine)測試中，隨聚己內酯(PLC)的比例增加，伸長率從0.592 %上升到200.599 %，而楊氏模數由464.444 MPa下降到4.13 MPa。可大幅增加生物可分解塑膠材料的可製造性。

This research investigates the changes of polymer blends of Preparedpolycaprolactone (PLC) or Polyethylene glycol (PEG) and thermoplastic stach(TPS) in the thermal properties after the processing.
By the Differential Scanning Calorimetry(DSC) observation Polymer blends thermal property change, we draw to the conclusion that Polyethylene glycol (PEG) and blending of the plasticized starch (TPS) has the melting peak at 55 ℃. The blends of Polycaprolactone (PLC) and thermoplastic starch (TPS) of have melting peaks at 64 ℃. Through the MFI test, we presume that with the increasing ratio of polycaprolactone (PLC), MFI values of polymer blends raised from 0.33 g/10min to 42.57 g/10min and showed good mobility of hot melt. Universal Materials Testing Machine, polycaprolactone (PLC) to increase the percentage elongation increased from 0.592% to 200.599%, while the Young''s modulus decreased by a 464.444 MPa to 4.13 MPa. Substantial increase in biodegradable plastic materials for manufacturing.

第一章 前言 1
1.1 研究背景 1
1.2 研究動機與目的 1
1.3 研究方向 2
第二章 文獻回顧 4
2.1 可分解性材料 4
2.2 生物可分解性材料(biodegradability) 4
2.3 聚乙二醇 9
2.4 聚己內酯 10
2.5 澱粉 11
2.6 澱粉的製備 12
2.7 澱粉化學性質 12
2.8 澱粉衍生物的製備及性能 15
2.9 澱粉組成的分離 16
2.10高分子摻混原理 19
2.11 相關研究 20
第三章 研究方法 22
3.1 實驗材料 22
3.2 實驗設備 24
3.3 實驗方法及步驟 25
3.3.1 澱粉與對苯二甲酸反應實驗 25
3.3.2 澱粉與1,6-己二異氰酸酯反應實驗 25
3.3.3 製備塑化澱粉(Thermoplastic starch，TPS） 26
3.3.4 製備澱粉/聚乙二醇(PEG 6000) 26
3.3.5 澱粉及聚己內酯(PCL)混煉實驗 27
3.6 熱重分析測試 29
3.7 熱分析測試 30
3.8 熔融指數測試 30
3.9 掃描電子顯微鏡(SEM)形態觀察 31
3.10 凝膠滲透層析測試 32
3.11 拉伸強度 32
第四章 結果與討論 33
4.1 改質澱粉紅外線光譜儀(FTIR) 33
4.2 改質澱粉微差分掃描式熱分析 35
4.3 聚乙二醇澱粉的熱重損失測試及微差分掃描式熱分析 37
4.4 凝膠滲透層析結果 44
4.5 聚己內酯澱粉重量損失測試 47
4.6 聚己內酯澱粉微差分掃描式熱分析 53
4.7 熔融指數測試 55
4.8 掃描電子顯微鏡(SEM)觀察影像 56
4.9 拉伸强度測試 64
第五章 結論 66
參考文獻 67

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