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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 鄭如忠(Ru-Jong Jeng) | |
| dc.contributor.author | Chih-Sheng Lu | en |
| dc.contributor.author | 呂志聖 | zh_TW |
| dc.date.accessioned | 2021-06-15T12:29:46Z | - |
| dc.date.available | 2019-08-24 | |
| dc.date.copyright | 2016-08-24 | |
| dc.date.issued | 2016 | |
| dc.date.submitted | 2016-08-05 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/50102 | - |
| dc.description.abstract | 微米或奈米級尺度的表面微結構對於材料表面的潤濕與親疏水性質表現有很大的影響，很多系統利用微結構的調控來做到控制表面潤濕性質。近年來，科學家透過設計表面微結構而達到”超疏水”或是”超疏油”等等的表面。
許多研究對形狀記憶材料的表面微結構進行控制，改變了表面親疏水性，再透過材料可逆的形狀固定與形狀回復特性，表面還能夠達到不同程度的粗糙度；傳統製造表面微結構的方法大部分都是利用上而下(Top-down)的方式，包括模具成型，熱雕紋或是其他後加工的方式達到，成本較高且步驟繁複。 在此研究中，透過分子工程設計與製程改良，設計出下而上(buttom-up)的方式製造形狀記憶材料表面的微結構。利用實驗室特有的雙親性樹枝狀高分子與具有形狀記憶性質的聚氨酯，輔以改良的direct breath figure方法於聚氨酯表面自組裝(self-assembly)排列成規則蜂窩狀孔洞，製造出表面的微米尺度微結構，同時具有形狀記憶的性質，可以經由拉伸來使孔洞伸長，再藉由升溫使孔洞回復成原來的形狀，不同形狀的孔洞就有不同的表面粗糙度，達到不同的親疏水性。 利用自組裝行為的方法相較於其他後來加工的方式有著(1)較簡化的製程，(2)得到規則孔洞並，同時保有形狀記憶行為的優勢。此外，透過聚氨酯側鏈上的反應性官能基azetidine-2,4-dione，與交聯劑1,6-己二胺進行開環交聯反應來更進一步加強形狀記憶性質與高溫下的機械性質，最後證實形狀拉伸與回復造成表面微結構的變化，可以調控表面的親疏水性。 | zh_TW |
| dc.description.abstract | Micro-/nano structure of surface has a significant effect on wetting regimes. There are many different models to deal with surface wettibility through topography. This approach has been used to create superhydrophobic, or superoleophobic surfaces.
Concerning active surface topography, some examples of patterned surfaces from shape memory materials, and the shape recovery of patterned structure has also been demonstrated. However, these surface patterns are made by replica molding, thermal embossing lithography or other dry processes, which cost more and are more complicated. In this research, by molecule design and process improvement, we designed a “buttom-up” method to pattern the surface of shape memory material. We took advantage of self-assembling of amphiphilic dendrons to pattern the shape memory polyurethane surface by modified direct breath figure(DBF) method, achieving microstructure on surface with shape memory behavior. Through this methodology, we can (1) simpilify the fabrication process and (2) achieve uniform surface microstructure and good mechenical properties simultaneously. Moreover, by the crosslinking reaction between azetidine-2,4-dione on the side-chain of pokyurethane and 1,6-diaminohexane, the mechanical properties and shape memory characteristics can be enhanced. Consequently, the change of wettibility by microstructure deformation is achieved by heating the material to the switching temperature. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T12:29:46Z (GMT). No. of bitstreams: 1 ntu-105-R03549026-1.pdf: 8335360 bytes, checksum: 518ff385b19eba3e982ffd5d5ffe8da5 (MD5) Previous issue date: 2016 | en |
| dc.description.tableofcontents | 目錄
摘要 I Abstract III 目錄 IV 圖目錄 VI 表目錄 X 一、緒論 1 二、文獻回顧 2 2.1 表面微結構高分子材料 (microstructure polymer surfaces) 之應用 2 2.1.1 Breath Figures方法與機制 2 2.1.2 應用Breath figures法之製膜方式 6 2.2 應用Breath figures法之高分子 9 2.2.1 蜂窩狀高分子設計策略 15 2.2.2 規則樹枝狀高分子應用於製備蜂窩狀孔洞 18 2.2.3 poly(urea/malonamide) dendrons應用於蜂窩狀高分子膜的合成與策略 25 2.3 形狀記憶材料之簡介 34 2.3.1 形狀記憶材料的原理(93) 35 2.3.2 高分子形狀記憶之來源(89) 36 2.3.3 熱感應型(thermo-responsive)形狀記憶高分子 36 2.4 研究動機 41 三、實驗內容 42 3.1 藥品及溶劑 42 3.2 實驗儀器 46 3.3 實驗流程圖 49 3.4 合成步驟 50 3.4.1 合成dendron構築單元 50 3.4.2 C18系列polyurethane/malonamide dendron 之合成 52 3.4.3 含反應性官能基之單體3-(4-(4-(3,3-dimethyl-2,4-dioxoazetidin-1-yl)benzyl)phenyl)-1,1-bis(2-hydroxyethyl)urea (DEA-diol)合成 55 3.4.4 含反應性官能基之聚氨酯(SPU)合成 56 3.5 規則蜂窩狀孔洞高分子膜製備 57 3.6 規則蜂窩狀孔洞聚氨酯薄膜之交聯反應 58 四、結果與討論 59 4.1 Dendron的合成與鑑定 59 4.1.1 反應選擇性單體IDD之合成與鑑定 59 4.1.2 反應選擇性鏈延長劑之合成與鑑定 64 4.1.3 C18系列收斂型poly(urethane/malonamide) dendron 之合成與鑑定 66 4.1.4 側鏈具有可反應官能基之聚氨酯(SPU)合成 78 4.2 控制不同變因對於聚氨酯孔洞排列之影響 78 4.2.1 不同Dendron濃度對於孔洞排列之影響 78 4.2.2 不同代數Dendron及溶劑對於孔洞排列之影響 79 4.2.3 不同硬鏈段比例之聚氨酯及溶劑對於孔洞排列之影響 83 4.3 BFAs聚氨酯薄膜拉伸及形狀記憶行為 85 4.3.1 SPU45、SPU55之機械性質與形狀記憶行為 85 4.3.2 聚胺酯交聯前後之熱性質 91 4.3.3 SPU45交聯前後孔洞之變化 92 4.3.4 SPU45_0.2M之孔洞拉伸與形狀記憶行為 93 五、結論 94 六、參考文獻 95 | |
| dc.language.iso | zh-TW | |
| dc.title | 利用Breath figure法製作具有形狀記憶行為之聚胺指蜂窩狀孔洞薄膜 | zh_TW |
| dc.title | Using Breath Figure Arrays as Template to Fabricate Microporous Honeycomb-like Polyurethane Films with Shape Memory Effect | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 104-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 劉英麟(Ying-Ling Liu),李榮和(Rong-Ho Lee),陳錦地(Chin-Ti Chen),駱俊良(Chun-Liang Lo) | |
| dc.subject.keyword | Breath figure,形狀記憶,聚胺酯,自組裝,交聯,親疏水, | zh_TW |
| dc.subject.keyword | breath figure,shape memory,polyurethane,self-assembling,crosslinking,wettability, | en |
| dc.relation.page | 102 | |
| dc.identifier.doi | 10.6342/NTU201601952 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2016-08-05 | |
| 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 | |
文件中的檔案：
| 檔案 | 大小 | 格式 | |
|---|---|---|---|
| ntu-105-1.pdf 目前未授權公開取用 | 8.14 MB | Adobe PDF |
系統中的文件，除了特別指名其著作權條款之外，均受到著作權保護，並且保留所有的權利。