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研究生： 陳韻婷
Yun-ting Chen
論文名稱： 製備次微米級均一粒徑之染料球
Preparation of sub-micro-monodisperse dye-doped polystyrene
指導教授： 陳暉
Hui Chen
口試委員:
學位類別： 碩士
Master
系所名稱： 工學院 - 化學工程與材料工程學系
Department of Chemical & Materials Engineering
畢業學年度： 95
語文別： 中文
論文頁數： 99
中文關鍵詞： 均一粒徑 、染料 、苯乙烯
外文關鍵詞： polystyrene, monodisperse, dye
相關次數： 點閱：9  下載：0 
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    • 研究中首先以無乳化劑之乳化聚合合成出粒徑範圍為80nm至600nm不同粒徑的聚苯乙烯顆粒，並添加染料於聚苯乙烯顆粒，製備含染料之聚苯乙烯顆粒，實驗所得之樣品以掃瞄式電子顯微鏡(SEM)觀察顆粒狀態，以動態粒徑分析儀(DLS)量測粒徑，以紫外光-可見光光譜儀分析(UV-VIS)其性質。
    實驗結果顯示，188nm、210nm及280nm的聚苯乙烯顆粒，經高溫自組裝排列後，在UV-VIS光譜上，可分別在450.7nm、508.0nm及683.0nm得到一反射峰。而添加了黑色染料所製備出之均一粒徑的含染料聚苯乙烯顆粒(DDPM)，在自組裝排列完成後，也會產生本身粒徑對映的結構性色彩，且顏色有變鮮明的狀態。
    另外，研究中以溶劑導入和共聚合之溶脹兩種不同的方式添加染料於聚苯乙烯顆粒，發現到以溶劑導入染料的方式，粒徑較易控制，均一度也較佳，並且粒徑之Cv(%)值小於3%。不過以結構上來說，共聚合之溶脹方式可以得到含有交聯性質的聚苯乙烯染料顆粒。

    In this work, various sizes of monodisperse polystyrene particles (10 wt%,80~600nm) were prepared in the presence of sodium, p-styrenesulfonate (NaSS, 2.0~0wt% based on styrene) and styrene. Then, the dye-containing polymer beads were prepared by introducing the different concentration of dye and solvent or styrene and divinylbenzen in polystyrene particle latex, respectively. The characteristics of self-assemble PS microspheres were observed by SEM, DLS, and ultraviolet-visible spectrophotometer. The results showed that with increasing the concentration of NaSS, the size of polystyrene was
    decreased from 600nm to 80 nm.
    Highly monodisperse dye-containing polymer beads were prepared by introducing dye and solvent when the dye concentration was lower than 1.0wt% (based on polymer) and by introducing dye and monomers when the dye concentration was lower than 0.05wt% (based on polymer), respectively. But the particle diameter with crosslinked structure was increased to 1.3 times when dye-containing polymer beads prepared by
    introducing dye and monomers.
    The wavelength of peaks in the reflective spectrum on the set of (111) planes in the face-centered cubic package of self-assembled dye-containing polymer beads with 188, 210, and 280 nm diameters were 450.7, 508.0, and 683.0 nm, respectively. In addition, the more vivid blue, green and red colors were observed when the more dye in those dye-containing polymer beads, respectively. These phenomena were also observed by SEM and photo image of above dye-containing polymer
    beads.

    目 錄 中文摘要 I 英文摘要 II 目錄 Ⅲ 表索引 V 圖索引 Ⅵ 第一章 前言 1 1-1 均一粒徑顆粒合成之介紹及文獻回顧 2 1-2 光子晶體之介紹及文獻回顧 7 1-3 染料填充之介紹及文獻回顧 17 1-4 實驗動機及目的 20 第二章 實驗藥品、儀器及實驗方法 21 2-1 實驗藥品 22 2-2 實驗儀器 23 2-3 實驗方法 24 2-3-1 PS種子粒子之合成 24 2-3-2 以溶劑導入法導入染料 24 2-3-3 以共聚合之溶脹導入法導入染料 24 2-4 性質測試 27 2-4-1 掃瞄式電子顯微鏡分析(SEM) 27 2-4-2 動態粒徑分析儀(DLS) 27 2-4-3 紫外光-可見光光譜儀(UV-VIS) 27 第三章 結果與討論 28 3-1 NaSS濃度對顆粒大小及表面狀態之探討 29 3-1-1 NaSS濃度對顆粒大小及表面狀態之探討 30 3-1-2 DLS測試結果 30 3-2 溶劑導入法之黑色染料球研究 37 3-2-1 黑色染料球之製備與外觀 39 3-2-2 顆粒尺寸改變量之探討 50 3-2-3 UV-VIS測試PS含染料乳液 58 3-2-4 UV-VIS測試光子晶體 61 3-3 共聚合之溶脹法導入之黑色染料球研究 79 3-3-1 以SEM觀察顆粒狀態及外觀變化 79 3-3-2 DLS測試粒徑變化 80 3-3-3 UV-VIS測試共聚合之溶脹法所製作之染料顆粒 89 3-3-4 UV-VIS測試共聚合之溶脹法所製作之染料顆粒之固態 薄膜 92 第四章 結論 94 參考文獻 96

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