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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 謝國煌 | |
| dc.contributor.author | Cheng-Feng Su | en |
| dc.contributor.author | 蘇呈封 | zh_TW |
| dc.date.accessioned | 2021-06-13T16:45:50Z | - |
| dc.date.available | 2005-07-05 | |
| dc.date.copyright | 2005-07-05 | |
| dc.date.issued | 2005 | |
| dc.date.submitted | 2005-06-28 | |
| dc.identifier.citation | 1. C. Hepburn, Polyurethane Elastomers, Applied Science Publishers, London and New York, 1982
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/38778 | - |
| dc.description.abstract | 本研究主要在合成出含PEG主鏈及側鏈之TPU透氣薄膜。在合成部份，將高吸水性質的PEG導入主鏈及側鏈，分別探討其軟硬鏈節的組成、側鏈含量、Isocyanate Index及PEG的分子量對透氣、機械性質影響的程度，並進一步探討薄膜之熱性質及斷面形態。
在本研究中，以傅立葉轉換紅外線光譜儀(FTIR)來監測反應程度並鑑定產物之化學結構。在成膜後，進行透氣性質及機械性質的測試，可發現不同的軟硬段比例或組成下，TPU薄膜會有不同的透溼度，在固定軟、硬段莫耳比下，軟段中有較高含量之PEG，則透溼性質顯著增加，但機械性質卻明顯下降；隨著含PEG側鏈的增加則透氣性質增加，但機械性質卻下降。在熱性質方面，分別以熱重損失分析儀(TGA)、微差熱掃瞄分析儀(DSC)、動態機械分析儀(DMA)探討材料之熱裂解溫度及玻璃轉移溫度與材料結構之關係，最後再以掃瞄式電子顯微鏡(SEM)觀測其表面形態。 | zh_TW |
| dc.description.abstract | This research studies breathable/waterproof thermoplastic polyurethane film which contains PEG (Polyethylene Oxide Glycol) at main chain, alone or along with PEG at side chains. Mechanical strengths, water vapor permeability and other properties are discussed and compared side by side by different factors, such as, hard/soft segment ratio, PEG side chain percentage, isocyanate index, and different molecular weight of PEG used in main chain.
FTIR (Fourier Transform Infrared Spectrometer) is used to trace the extent of reaction and to characterize the formation of TPU. The results show higher water permeability with higher percentage of PEG in the main chain, however, it comes with lower mechanical strengths. Thermo Gravimetric Analysis (TGA), Differential Scanning Colarimetry (DSC), Dynamic Mechanical Analysis (DMA), are used to characterize thermal properties of TPU, and scanning Electron Microscope (SEM) is used to observe the morphology. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-13T16:45:50Z (GMT). No. of bitstreams: 1 ntu-94-R92549008-1.pdf: 4878181 bytes, checksum: ea8310c7d3b49832cfa21202060408d6 (MD5) Previous issue date: 2005 | en |
| dc.description.tableofcontents | 目錄
摘要 Ⅰ Abstract Ⅱ 目錄 Ⅲ 表索引 Ⅴ 圖索引 Ⅶ 第一章 緒論 1 第二章 文獻回顧 3 2.1 聚胺酯(PU)彈性體簡介 3 2.2 聚胺酯薄膜之應用 5 2.3 透氣薄膜簡介 7 2.4 相關研究 13 2.5 US patent分析 20 2.6 研究目標 23 第三章 實驗 24 3.1 實驗藥品 24 3.2 實驗儀器 28 3.3 實驗流程 31 3.3.1 TPU之合成 32 3.3.2 含PEG側鏈之合成 33 3.3.3 含PEG側鏈之TPU合成 34 3.4 材料合成步驟 28 3.4.1 TPU之合成步驟 35 3.4.2 含PEG側鏈之合成步驟 35 3.4.3 TPU薄膜的製備及性質測試步驟 36 3.5 材料性質分析與測試條件 37 3.5.1 傅立葉轉換紅外線光譜(FTIR)測試 37 3.5.2 透氣性質測試(WVP) 37 3.5.3 應力-應變性質測試 38 3.5.4 撕裂性質測試 38 3.5.5 微差熱分析掃描卡計( DSC )測試 38 3.5.6 動態機械分析儀( DMA ) 39 3.5.7 熱重損失分析儀(TGA)測試 39 3.5.8 凝膠滲透色層分析儀(GPC)測試 40 3.5.9 膨潤度(SR)測試 40 3.5.10 掃描式電子顯微鏡(SEM)分析 40 3.6 實驗代號說明 41 第四章 結果與討論 42 4.1 合成物鑑定分析 (FTIR) 43 4.2 透氣、膨潤性質分析 43 4.3 抗張、撕裂性質分析 47 4.4 微差掃瞄卡計儀(DSC)分析 50 4.5 動態機械分析儀(DMA)分析 52 4.6 熱重損失分析儀(TGA)分析 55 4.7 凝膠色層分析儀(GPC)分析 57 4.8 表面形態(SEM)分析 57 第五章 結論 59 第六章 參考文獻 61 附表 64 附圖 88 | |
| dc.language.iso | zh-TW | |
| dc.title | 含PEG主鏈及側鏈之熱塑性聚胺酯彈性體合成與物性之研究 | zh_TW |
| dc.title | Study on the synthesis and physical properties
of thermoplastic polyurethane containing PEG | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 93-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 邱文英,許應舉,王怡仁 | |
| dc.subject.keyword | 熱塑性聚胺酯彈性體,透氣防水,PEG, | zh_TW |
| dc.subject.keyword | TPU,breathable/waterproof,WVP,PEG, | en |
| dc.relation.page | 134 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2005-06-29 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 高分子科學與工程學研究所 | zh_TW |
| 顯示於系所單位： | 高分子科學與工程學研究所 | |
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