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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 童世煌(Shih-Huang Tung) | |
| dc.contributor.author | Chia-Hao Lee | en |
| dc.contributor.author | 李家豪 | zh_TW |
| dc.date.accessioned | 2021-06-08T04:16:16Z | - |
| dc.date.copyright | 2010-08-09 | |
| dc.date.issued | 2010 | |
| dc.date.submitted | 2010-08-03 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/22364 | - |
| dc.description.abstract | 均聚物與共聚物的混摻是一種改良高分子材料性質的有效分式。在本論文中，我們首先探討均聚物polystyrene(hPS)與團聯式共聚物polystyrene-b-poly(4- vinylpyridine)(PS-b-P4VP)的混摻，在hPS與團聯式共聚物中的PS分子量差異極大的情況下，會產生hPS與PS-b-P4VP之間的巨觀相分離，其中以PS-b-P4VP為主的相會因PS與P4VP不相容，另外形成微觀相分離，其形態是由PS與P4VP的組成決定。我們進一步在系統中加入小分子加入3-pentadecylphenol(PDP)，PDP會與P4VP產生氫鍵，形成梳狀超分子共聚物，不僅能改變PS與P4VP的組成，還會因PS/P4VP(PDP)與P4VP/PDP相分離尺度的不同而產生等級(hierarchical)結構。
本研究主要是討論PDP添加量(x)，對於hPS與PS-b-P4VP混摻系統中微觀相分離的形態影響。加入少量的PDP時，P4VP(PDP)還不足以成為球狀形態。增加PDP的添加量，形態變為圓柱，且巨觀向分離變成凸透鏡狀。加入更多的PDP，則圓柱兩端相連產生特殊的U形結構。而加入過多的PDP，P4VP(PDP)圓柱排列的規整性隨PDP添加量的增加而降低。此外，我們也探討了揮發速率以及溶劑對本實驗的影響，並觀察改用另一小分子Dodecylbenzene sulfonic acid(DBSA)接枝的情況。 | zh_TW |
| dc.description.abstract | The blending of block copolymer/homopolymer is a good strategy to improve the properties of polymeric materials. In this thesis, we first studied the binary mixtures of poly(styrene-block-4-vinylpyridine)(PS-b-P4VP) and homopolystyrene(hPS), in which macrophase separation, i.e. the phase separation between hPS and PS-b-P4VP, occurs due to the large difference of molecular weight between hPS and PS-b-P4VP. In addition, the microphase separation between PS and P4VP occurs in the PS-b-P4VP-rich phase and the morphology of microphase separation is controlled by the volume fraction of the PS and P4VP block. We then further incorporated 3-pentadecylphenol(PDP) into the system, which can form hydrogen bonds with the 4VP and transforms PS-b-P4VP into supramolecular PS-b-P4VP(PDP). The supramolecules can self-assemble into hierarchical structure-in-structure morphologies and the morphologies can be tailored by the amount of PDPs.
Our research focused on how the amount of PDP affects the morphology of microphase separation in the PS-b-P4VP/hPS blend systems. Spherical microdomains can be obtained at the small amount of PDP. When the amount of PDP is increased, the shape of PS-b-P4VP macrodomains becomes lenslike, in which cylindrical microdomains are packed hexagonally. An unusual U-shape structure, which links two cylinders on the edges of macrodomains, can be observed when the amount of PDP is increased further. In the large excessof PDP, though microdomains remain cylindrical, the regularity of cylinders appear to decrease. In addition, we will discuss how solvents and solvent evaporation rate affect the system. Moreover, we added dodecylbenzene sulfonic acid(DBSA) instead of PDP into PS-b-P4VP/hPS blends and examined the effects of different type of small molecules on the morphology. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-08T04:16:16Z (GMT). No. of bitstreams: 1 ntu-99-R97549029-1.pdf: 6079753 bytes, checksum: 0604a7458f6b11b1be5666284e166bf8 (MD5) Previous issue date: 2010 | en |
| dc.description.tableofcontents | 謝辭 I
摘要 II Abstract III 目錄 IV 圖目錄 VI 表目錄 VIII 第一章 文獻回顧 1 1-1 前言 1 1-2 高分子簡介 3 1-3 團聯式共聚物與微觀相分離 5 1-3.1 團聯式共聚物 5 1-3.2 微觀相分離理論與模擬的發展 9 1-3.3 摻合系統與形態變化 11 1-4 超分子化學 13 1-5 雙親性及混摻 17 1-5.1 團聯式共聚物與雙親性小分子差異 17 1-5.2 混摻 21 第二章 研究動機與實驗藥品及步驟 24 2-1 研究動機 24 2-2 藥品 25 2-3 實驗步驟 28 2-3.1 梳狀超分子共聚物樣品配置 28 2-3.2 梳狀超分子共聚物與hPS混摻樣品配置 28 第三章 實驗儀器 30 3-1 穿透式電子顯微鏡(transmission electron microscopy，TEM) 30 3-2 小角度X光散射儀(Small Angle X-ray Scattering，SAXS) 31 3-3 熱重分析儀(Themogravimetric Analyzer，TGA) 32 3-4 熱示差掃瞄卡量計(Differential Scanning Calorimeter，DSC) 32 3-5 傅立葉轉換紅外線光譜儀(Fourier Transform Infrared Spectrometer，FT-IR) 33 四 結果與討論 34 4-1 PDP對於PS-b-P4VP 形態影響 34 4-2 團聯式共聚物與均聚物混摻系統 38 4-3 PDP添加量對於高分子混摻系統的影響 42 4-3.1 SAXS資料與TEM圖 42 4-3.2 混摻系統與未混摻的梳狀超分子共聚物形態比較 45 4-3.3 結構分析 46 4-4 溶劑效應 72 4-5 DBSA系統 76 五 結論 82 六 參考文獻 83 | |
| dc.language.iso | zh-TW | |
| dc.subject | 凸透鏡狀 | zh_TW |
| dc.subject | 超分子 | zh_TW |
| dc.subject | 混摻 | zh_TW |
| dc.subject | 等級性 | zh_TW |
| dc.subject | 梳狀 | zh_TW |
| dc.subject | hierarchical | en |
| dc.subject | self-assemble | en |
| dc.subject | styrene-block | en |
| dc.subject | supramolecule | en |
| dc.subject | blend | en |
| dc.title | 梳狀超分子共聚物摻合均聚物之形態研究 | zh_TW |
| dc.title | Study on the morphology of supramolecular poly(styrene-block-4-vinylpyridine)(3-pentadecylphenol)/ homopolystyrene blends | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 98-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 邱文英(Wen-Yen Chiu),廖文彬(Wen-Bin Liau) | |
| dc.subject.keyword | 混摻,超分子,等級性,梳狀,凸透鏡狀, | zh_TW |
| dc.subject.keyword | blend,supramolecule,hierarchical,styrene-block,self-assemble, | en |
| dc.relation.page | 86 | |
| dc.rights.note | 未授權 | |
| dc.date.accepted | 2010-08-03 | |
| 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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