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研究生: 謝光哲
Hsieh, Kuang-Che
論文名稱: 利用分子動力學模擬(苯乙烯-b-順式1,4丁二烯)嵌段聚合物之行為
Using Molecular Dynamics Simulation for behaviors of Poly(styrene-b-cis-1,4-butadiene)
指導教授: 張榮語
Chang, Rong-Yeu
口試委員:
學位類別: 碩士
Master
系所名稱: 工學院 - 化學工程學系
Department of Chemical Engineering
論文出版年: 2010
畢業學年度: 98
語文別: 中文
論文頁數: 75
中文關鍵詞: 分子動力學模儗聚苯乙烯聚丁二烯嵌段聚合物
外文關鍵詞: molecular dynamics, polystyrene, polybutadiene, copolymer
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  • 本研究利用分子動力學 (Molecular Dynamics)模擬在奈米尺度下,對聚苯乙烯和cis-1,4順式聚丁二烯之嵌段聚合物(diblcok copolymer)的組成討論,從兩高分子聚合物本身考慮不同的因素,利用排列方式、溫度控制、濃度分佈等等來觀察聚合物之自聚合(self-assembly)現象,對於組成的結構做分析。
    從實驗結果中,對於聚丁二烯以及聚苯乙烯的模擬皆有有所確立性,此外在於丁苯聚合物的探討中,可以發現少量的模擬粒子下,丁苯聚合物的聚合現象便可觀察出其端倪。利用物性的測量,可比較出不同比例下的丁苯聚合物,分子數目越多的聚合物,因為分層現象影響,使得分子聚集讓迴旋半徑變小。


    碩士論文 I 謝誌 II 中文摘要 III Abstract IV 圖目錄 VII 表目錄 X 符號說明 11 第一章、緒論 12 1.1研究背景 12 1.2研究動機 13 1.3研究目的 15 1.4分子動力學引論 16 1.5嵌段聚合物簡介 18 1.6聚丁二烯簡介 23 1.7聚苯乙烯簡介 25 第二章、文獻回顧 27 2.1 Dreiding力場文獻回顧 27 2.2 聚丁二烯文獻回顧 30 2.3聚苯乙烯文獻回顧 32 2.4嵌段聚合物文獻回顧 33 第三章、研究方法 37 3.1 分子動力學基本理論 37 3.1-1 分子動力學基本假設 38 3.1-2 分子動力學基本架構 38 3.2 分子動力學模擬流程架構 40 3.3 性質統計 41 4.1 勢能參數 45 4.1-1順式-1,4-丁二烯勢能參數表 45 4.1-2聚苯乙烯勢能參數表 46 4.2 作用力計算 48 4.3 系統驗證 50 4.3-1聚丁二烯模擬驗證 50 4.3-2聚苯乙烯模擬驗證 56 第五章、結果與討論 62 5.1 嵌段聚合物合成 62 5.2 狀態計算 68 第六章、結論與未來展望 71 參考文獻 72

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