本研究以PTMG 1000為軟鏈段、DMPA為離子中心，分別以脂肪族(Aliphatic) 之H12MDI及芳香族(Aromatic)之MDI為硬鏈段，Diamine系之EDA與Diol系之1,4-BD為鏈延長劑，合成為陰離子型水性聚氨酯，探討不同結構之二異氰酸酯(diisocyanate)及鏈延長劑(chain extender)對於水性聚氨酯之水溶液性質、熱性質及機械性質等物性之影響，結果歸納如下：
芳香族系硬鏈段所組成水性聚氨酯分子鏈間具較強之氫鍵結合，MDI系大於H12MDI系，另外鏈延長劑以Diamine系較佳。微相分離程度方面，硬鏈段以MDI系大於H12MDI系，鏈延長劑以Diamine系大於Diol系之水性聚氨酯者，而水溶液粒徑方面以MDI系大於H12MDI系。機械性質方面MDI系之水性聚氨酯者具最高之抗張強度，而H12MDI則有最佳之延伸率；而加入EDA為鏈延長劑較傳統1,4-BD有較強之抗張強度及初始模數。

This study investigates the different kinds of hard segment and chain extender influences the physical properties of anionic aqueous polyurethane. The soft segment of PTMG 1000, ionic center of DMPA, change the H12MDI of aliphatic and MDI of aromatic as the hard segment, and change the diamine (EDA), diol (1,4-BD) of chain extender synthesis the anionic aqueous polyurethane to search the solution properties, thermal properties and mechanical properties of aqueous polyurethane with different diisocyanate and chain extender. The result of paragraph attribute as follows:
The different hard segment and chain extender composition influence the physical properties of polyurethane.The hard segment of aromatic compose the aqueous PU in which the molecular chain have more hydrogen bonded, MDI more than H12MDI, chain extender with diamine is better. The micro phase separation is MDI > H12MDI and chain extender is diamine > diol of polyurethane, the particle size of solution is MDI > H12MDI, the mechanical properties of MDI has the best tensile strength and H12MDI has the best elongation, and the diamine of chain extender has more tensile strength and diol has more elongation.

摘要 i
ABSTRACT ii
目錄 iv
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 3
第二章 文獻回顧 4
2 水性聚氨酯組成對其成型薄膜物性影響之相關研究 4
2.1 硬鏈段種類之影響 6
2.2 鏈延長劑種類之影響 9
2.3 軟鏈段種類之影響 11
第三章 實驗 13
3.1 實驗藥品 13
3.2 實驗設備及檢測儀器 15
3.2.1 合成設備 15
3.2.2 合成物之鑑定及測試儀器 15
3.2.3 成型薄膜物性測試儀器 15
3.3 實驗流程 16
3.3.1 水性聚氨酯合成流程圖 17
3.3.2 合成方式及步驟 18
3.3.3 水性聚氨酯薄膜之備製 19
3.4 合成物分析鑑定方式 20
3.4.1 水性聚氨酯之傅立葉轉換紅外線(FT-IR)光譜分析 20
3.4.2 水性聚氨酯之固成分測試 21
3.4.3 水性聚氨酯之pH值測試 21
3.4.4 水性聚氨酯之接觸角測試 22
3.4.5 水性聚氨酯之表面張力測試 22
3.4.6 水性聚氨酯之溶液粒徑分析 23
3.4.7 水性聚氨酯之抗張強伸度測試 23
3.4.8 水性聚氨酯之熱學性質分析 24
第四章 結果與討論 25
4.1 水性聚氨酯合成物構造分析鑑定 25
4.1.1傅立葉紅外線光譜分析鑑定 25
4.2 不同水性聚氨酯組成其物性之探討 32
4.2.1 水性聚氨酯之水溶液性質分析 32
4.2.2 水性聚氨酯成型薄膜之熱學性質分析 34
4.2.3 水性聚氨酯成型薄膜之機械性質分析 37
第五章 結論 39
第六章 文獻 40

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