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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林江珍(Jiang-Jen Lin) | |
| dc.contributor.author | Guan-Shiun Wang | en |
| dc.contributor.author | 王冠勛 | zh_TW |
| dc.date.accessioned | 2021-06-17T01:57:09Z | - |
| dc.date.available | 2020-07-21 | |
| dc.date.copyright | 2017-07-21 | |
| dc.date.issued | 2017 | |
| dc.date.submitted | 2017-07-20 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/67904 | - |
| dc.description.abstract | 本篇論文大致分為兩部份，第一部分為針對石墨烯的分散劑設計與合成，探討不同官能基的聚氨脂型(Polyurethane-type)分散劑對分散及穩定石墨烯的影響，藉由過去本實驗室對石墨烯之分散建構的基礎理論下，並開發出針對水相(POPU)及有機相(POPU)溶劑之2種分散劑結構。初步以可見光紫外光分光光譜儀(UV-VIS Spectophotometer)測試各種分散劑對石墨烯之分散性，後續以穿透式電子顯微鏡(Transmission electron microscopy, TEM) 和原子力顯微鏡(Atomic Force Microscopic, AFM)鑑定石墨烯之層數及分散情形。
第二部分為分散後石墨烯之應用，藉由POEU分散劑石將墨烯分散於水相系統後，我們導入水性PU將其製備成可撓曲式導電薄膜。當石墨烯含量從0.1wt%提升至3wt%時，其導電值可達到1.96 x101 S/m，並可點亮LED燈泡。而在相同比例下，未經POEU分散之石墨烯所製備之薄膜其導電值僅有1.61x10-2 S/m。由此可證實分散石墨烯之重要性。另一有機相系統下，利用POPU將石墨烯分散至乙酸乙酯溶劑中，並導入壓克力樹脂中以提升壓克力膜之硬度，由於石墨烯本身之高強度機械性質，當其含量添加至0.3wt%時，可將膜硬度從原本的4H提升至8H，並且維持高達87%以上之光穿透度。但若是未經良好分散之石墨烯，其硬度僅能提升至6H並因其容易堆疊造成薄膜不均且光穿透度低(81%)。在上述兩種應用下，可見石墨烯分散劑之重要性。 | zh_TW |
| dc.description.provenance | Made available in DSpace on 2021-06-17T01:57:09Z (GMT). No. of bitstreams: 1 ntu-106-R04549016-1.pdf: 6699906 bytes, checksum: 99e2fbbcc6652933674d8c84314f6d97 (MD5) Previous issue date: 2017 | en |
| dc.description.tableofcontents | 致謝 I
中文摘要 II Abstract III Index V List of Figures VII List of Tables IX List of Schemes X Chapter 1. Introduction 1 1-1 Nanomaterial 1 1-2 Introduction to dispersion of graphene 4 1-3 Introduction of Polyurethane 8 1-4 Polymeric dispersant to disperse graphene 10 1-4-1 Homemade dispersant of POE/POP-Segmented Imide (POEM/POPM) 10 1-4-2 Synthesis of polyurethane-type dispersant for graphene 16 1-5 Application of graphene dispersion 16 1-5-1 Graphene/POEU/WPU Conductive film 17 1-5-2 Graphene/POPU/Acrylate film 18 Chapter 2. Experimental Section 20 2-1 Materials 20 2-2 Synthesis of polyurethane-type dispersant for graphene 20 2-3 Preparation of graphene dispersion in aqueous and ethyl acetate 24 2-4 Form the Graphene/POEU/WPU conductivity film 24 2-5 Preparation of Graphene/Acrylic resin by UV-Curing 25 2-6 Characterization 26 Chapter 3. Results and discussion 28 3-1 Dispersibility of Polyurethane-type dispersant (POEU, POPU) for graphene 28 3-2 Characterization measurements of graphene dispersion 39 3-3 Application of graphene dispersion 44 3-3-1 Flexible and Conductive film of Graphene/POEU/WPU 44 3-3-2 Hardness of Graphene/POPU/Acrylate film 47 Chapter 4. Conclusion 50 Chapter 5. References 53 | |
| dc.language.iso | en | |
| dc.subject | 導電膜 | zh_TW |
| dc.subject | 有機相 | zh_TW |
| dc.subject | 硬度 | zh_TW |
| dc.subject | 水相 | zh_TW |
| dc.subject | 聚氨脂型分散劑 | zh_TW |
| dc.subject | 石墨烯 | zh_TW |
| dc.subject | 壓克力膜 | zh_TW |
| dc.subject | acrylate film | en |
| dc.subject | polyurethane-type dispersant (POEU | en |
| dc.subject | POPU) | en |
| dc.subject | aqueous | en |
| dc.subject | organic medium | en |
| dc.subject | conductive film | en |
| dc.subject | graphene | en |
| dc.subject | hardness | en |
| dc.title | 新穎性聚氨脂型分散劑應用於石墨烯分散及可撓曲式導電薄膜 | zh_TW |
| dc.title | Novel polyurethane dispersant for disperse graphene for flexible conductive film uses | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 105-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 李宗銘(Tzung-Ming Lee),何永盛(Yong-Sheng He),王逸萍(Yi-Ping Wang),賴育英(Yu-Ying Lai) | |
| dc.subject.keyword | 石墨烯,聚氨脂型分散劑,水相,有機相,導電膜,壓克力膜,硬度, | zh_TW |
| dc.subject.keyword | graphene,polyurethane-type dispersant (POEU, POPU),aqueous,organic medium,conductive film,acrylate film,hardness, | en |
| dc.relation.page | 58 | |
| dc.identifier.doi | 10.6342/NTU201701768 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2017-07-21 | |
| 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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