臺灣博碩士論文加值系統

本研究以疏水水性聚氨酯(Hydrophobic Waterborne Polyurethane)含浸壓吸聚酯梭織物與聚酯針織物，探討壓吸濃度、壓吸次數、壓吸壓力、織物結構對織物疏水性、透氣性之影響。實驗以掃描式電子顯微鏡及能量散佈光譜儀(Scanning Electron Microscope and Energy Dispersive Spectrometer, SEM and EDS)觀察織物表面形態，以接觸角計(Contact Angle Meter, CAM)和撥水試驗儀探討織物表面疏水性質，以透氣試驗儀探討織物透氣性。SEM結果顯示疏水水性聚氨酯薄膜部分成膜，EDS結果顯示聚二甲基矽氧烷(Polydimethylsiloxane, PDMS)鏈段之矽元素成功至含浸壓吸披覆至織物表面且均勻分布，顯示薄膜是完整包覆纖維的。CAM結果顯示接觸角結果可發現聚酯針織物的水滴接觸角比聚酯梭織物高，經處理後織物水滴接觸角介於128.5˚~136.8˚顯示出疏水的特性。撥水結果梭織物評級由0提高至50，針織物評級由0提高至80。透氣測試結果顯示在所設定壓吸濃度、壓吸次數、壓吸壓力下針織物之撥水性與透氣量較梭織物好。

This study focused on polyester woven fabric and polyester knitted fabric hydrophobicity and air permeability prepared by hydrophobic waterborne polyurethane used dip-nip-dry process to discuss the effect of different dip concentrations, dip times, padding pressures and fabric structures.Surface morphology was analyzed by Scanning Electron Microscope and Energy Dispersive Spectrometer(SEM and EDS). Hydrophobic properties were investigated by Contact Angle Meter(CAM) and spray tester. Air permeability properties were investigated by air permeability tester.The SEM results showed that hydrophobic waterborne polyurethane partial coating PET fiber. The EDS results showed Silicon element of the polydimethylsiloxane (PDMS) chain successfully pad to the surface of fabric, which contributes to form hydrophobic surface. Silicon element also evenly distributed on PET fabrics showed hydrophobic waterborne polyurethane was completed coating on PET fiber.The CAM results showed that the contact angle of the polyester knitted fabric is higher than polyester woven fabric, and the contact angle after treatment is between 128.5 ̊ and 136.8 ̊, showing its hydrophobic characteristics.The water-repellent result of polyester woven fabric was increased from 0 to 50, and polyester knitted fabric rating was increased from 0 to 80.The results of the air permeability test showed that the air permeability and water repellency of the knitted fabric were better than woven fabric in setting experiment parameters.

總目錄
誌謝I
中文摘要II
AbstractIII
總目錄… IV
圖目錄… VI
圖目錄… VII
表目錄… VIII
第一章 序論9
1.1 前言9
1.2 撥水原理10
1.2.1 撥水原理-表面化學結構11
1.2.2 撥水原理-表面物理結構12
1.3 撥水劑的分類13
1.4 防水透濕原理14
1.5 防水透氣的選擇15
1.6 聚氨酯的發展15
1.7 水性聚氨酯發展16
1.8 改性水性聚氨酯17
1.9 撥水劑未來發展趨勢22
1.10 研究動機與目的23
第二章 實驗24
2.1 實驗材料與藥品24
2.1.1 疏水水性聚氨酯24
2.1.2 交鏈劑26
2.1.3 潤濕劑26
2.1.4 甲酸27
2.1.5 氫氧化鈉27
2.1.6 聚酯平紋梭織布27
2.1.7 聚酯互鎖針織布27
2.2 實驗流程28
2.2.1 織物預處理28
2.2.2 含浸壓吸疏水水性聚氨酯28
2.2.3 烘乾29
2.3 實驗設備與方法31
2.3.1 壓吸機31
2.3.2 掃描式電子顯微鏡及能量散佈光譜儀(Scanning Electron Microscope and Energy Dispersive Spectrometer, SEM and EDS)31
2.3.3 接觸角計(Contact angle meter,CAM)32
2.3.4 撥水試驗儀32
2.3.5 透氣性測試34
第三章 結果與討論35
3.1 疏水水性聚氨酯織物製備35
3.2 壓吸濃度35
3.3 壓吸次數63
3.4 壓吸壓力 72
3.5 織物結構 74
第四章 結論 77
參考文獻 79

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