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http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/77217完整後設資料紀錄
| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 童世煌 | zh_TW |
| dc.contributor.advisor | Shih-Huang Tung | en |
| dc.contributor.author | 許博雅 | zh_TW |
| dc.contributor.author | Po-Ya Hsu | en |
| dc.date.accessioned | 2021-07-10T21:51:19Z | - |
| dc.date.available | 2024-08-19 | - |
| dc.date.copyright | 2019-08-26 | - |
| dc.date.issued | 2019 | - |
| dc.date.submitted | 2002-01-01 | - |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/77217 | - |
| dc.description.abstract | 本研究以半批次乳化聚合之方式來製備核-殼(core-shell)壓克力感壓膠，並藉由調整甲基丙烯酸甲酯(methyl methacrylate, MMA)及丙烯酸丁酯(butyl acrylate, BA)的比例來製備硬核跟軟殼。我們製備了不同硬核比例之乳液，並探討其轉化率、形貌、乳液顆粒及粒徑分布隨反應時間的變化。透過調整轉化率及降低起始劑用量，成功製備出核-殼乳液。乳液塗佈成黏膠之後，我們將研究其黏膠之玻璃轉移溫度、黏彈性、凝膠與溶膠分子量及感壓膠之物性測試，我們發現隨著硬核的比例提高，黏膠的彈性模數上升，但同時也造成黏著力下降，除了黏膠本身的機械性質之外，其膜的表面型態也會大幅影響黏著性。另外，添加矽烷化合物如3-環氧丙氧丙基三甲氧基矽烷((3-Glycidoxypropyl)trimethoxysilane, GPTMS)及四乙氧基矽烷(tetraethyl orthosilicate, TEOS)也可以大幅提升其初期力及黏著力。 | zh_TW |
| dc.description.abstract | In this study, we synthesized core-shell latexes via a semi-batch polymerization process with different methyl methacrylate/butyl acrylate (MMA/BA) weight ratio on hard-core and soft-shell, respectively. We produced different amount of hard core of the latexes and investigated the conversion, morphology, particle size and particle size distribution of the latexes during different reaction time. The successful core-shell latex was synthesized by adjusting the conversion and lowering the initiator concentration. The glass transition temperature, viscoelasticity, gel and molecular weight of sol and performance of pressure sensitive adhesives (PSA) films cast from these latexes were also discussed. With increased hard-core content in the PSA films, the elastic modulus of PSA films increased but led to a decrease in peeling strength. We also found that not just the mechanical properties of PSA, but also the morphology of the PSA films was related to the peeling strength. Furthermore, the addition of silicone-based components (e.g. (3-glycidoxypropyl)trimethoxysilane (GPTMS) and tetraethyl orthosilicate (TEOS)) to the PSA films showed significantly improvement on the tack and peeling strength. | en |
| dc.description.provenance | Made available in DSpace on 2021-07-10T21:51:19Z (GMT). No. of bitstreams: 1 ntu-108-R06549012-1.pdf: 3245768 bytes, checksum: 688330ad8d6b5f6578b3e0e8a481dff9 (MD5) Previous issue date: 2019 | en |
| dc.description.tableofcontents | 口試委員審定書 I
致謝 II 中文摘要 III Abstract IV 目錄 V 圖目錄 VII 表目錄 IX 第 1 章 緒論 1 1.1 前言 1 1.2 研究動機與目標 2 第 2 章 文獻回顧 3 2.1 乳化聚合簡介 3 2.1.1 乳化聚合反應及動力學 4 2.1.2 乳液顆粒大小及粒徑分布之影響因素 6 2.2 感壓膠 9 2.2.1 感壓膠簡介 9 2.2.2 初期力、黏著力及剪切強度 11 2.2.3 影響感壓膠物性之因素 13 2.2.4 核殼結構之黏膠 15 2.2.5 矽烷化合物對黏膠性質之影響 17 第 3 章 實驗方法與儀器 20 3.1 實驗藥品 20 3.2 實驗配方及步驟 22 3.2.1 製備C-0、C-5及C-10乳液 23 3.2.2 製備C-10G乳液 25 3.2.3 乳液添加矽烷化合物 27 3.2.4 乳液性質分析及實驗儀器 28 第 4 章 實驗結果與討論 32 4.1 乳液性質分析 32 4.1.1 C-0乳液 32 4.1.2 C-5乳液 35 4.1.3 C-10乳液 38 4.1.4 C-10G乳液 40 4.2 感壓膠性質分析 44 4.2.1 玻璃轉移溫度之分析 44 4.2.2 感壓膠之凝膠(gel)與溶膠(sol) 49 4.2.3 感壓膠之流變性質 50 4.2.4 感壓膠之黏膠物性測試 56 4.3 添加矽烷化合物的影響 59 4.3.1 矽烷化合物對乳液之影響 59 4.3.2 矽烷化合物對感壓膠之黏彈性影響 60 4.3.3 矽烷化合物對感壓膠物性測試之影響 62 第 5 章 結論 64 第 6 章 附錄 65 6.1.1 起始劑濃度於批次反應之影響 65 6.1.2 整體起始劑濃度及轉化率對半批次聚合的之影響 67 第 7 章 參考文獻 70 | - |
| dc.language.iso | zh_TW | - |
| dc.title | 以乳化聚合製備之核-殼壓克力感壓膠性質分析 | zh_TW |
| dc.title | Study on Water-Borne Core-Shell Acrylic Pressure Sensitive Adhesives | en |
| dc.type | Thesis | - |
| dc.date.schoolyear | 107-2 | - |
| dc.description.degree | 碩士 | - |
| dc.contributor.oralexamcommittee | 鄭如忠;戴子安;邱文英 | zh_TW |
| dc.contributor.oralexamcommittee | Ru-Jong Jeng;Chi-An Dai;Wen-Yen Chiu | en |
| dc.subject.keyword | 感壓膠,乳化聚合,核-殼乳液,玻璃轉移溫度,矽烷化合物, | zh_TW |
| dc.subject.keyword | pressure sensitive adhesives,emulsion polymerization,core-shell latex,glass transition temperature,silicone-based component, | en |
| dc.relation.page | 75 | - |
| dc.identifier.doi | 10.6342/NTU201903798 | - |
| dc.rights.note | 未授權 | - |
| dc.date.accepted | 2019-08-16 | - |
| dc.contributor.author-college | 工學院 | - |
| dc.contributor.author-dept | 高分子科學與工程學研究所 | - |
| 顯示於系所單位： | 高分子科學與工程學研究所 | |
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