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  • 學位論文

分散粒子動力學法模擬雙嵌式共聚物與三崁式共聚物微胞之探討

Micellization of diblock and triblock copolymers : Dissipative Particle Dynamics

指導教授 : 曹恒光
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摘要


本研究主要的目標是以一種介觀尺度下的模擬方法-分散粒子動力學(Dissipative Particle Dynamics)來探討雙性團聯共聚物(amphiphilic copolymer)-中的雙分子共聚物( diblock-copolymer)與三分子共聚物(triblock-copolymer)在溶液中固定疏溶劑(solvophobic)鏈段,增加親溶劑(solvophilic)鏈段以及調整親溶劑鏈段與疏溶劑鏈段兩物種之間的斥力上升情況下,對於形成微胞的聚集數(aggregation number)和疏劑鏈段核半徑(radius of solvophobic core)之變化。進而研究以上兩種情況對整體球型因子跟疏液核球型因子的影響。在以往的實驗上的數據都是藉由動態光散射光譜儀 (Dynamics Light Scattering, DLS)或等儀器來求得平均的粒徑和分子量,但是價格昂貴儀器取得困難,這裡我們除了提供程式模擬的出DLS 之外,更可以進一步的取得型態的樣圖,藉由這種模擬方法我們可以有效的觀察出雙性團聯共聚物在水中的特色。

並列摘要


In this study. We use a whole new mesoscale simulation method “DPD (Dissipative Particle Dynamics)” to research the amiphilic diblock copolymer micelle and amiphilic triblock copolymer micelle in dilute solution. First we keep solvophobic beads with increasing solvophilic beads and increasing repulsive parameter to discuss aggregation number、 micelle core radius and asphericity . We find the morphologhy just are micelles only. Then we keep solvophilic beads with increasing solvophobic beads to discuss other morphologhy .In previous study it depends on experimental datum with DLS(Dynamics Light Scattering ) instrument . So in the study we provide a new idea to simulate the phenomenon. And we find the power law relation to aggregation number in increasing solvophilic bead.

參考文獻


2. C. L. Lo, C. K. Huang, K. M. Lin and G. H. Hsiue, Biomaterials 28, 1225(2007).
3. L. Guo and E. Luijten, Journal of Polymer Science: Part B: Polymer Physcis 43, 959(2005).
4. V.A. Bloomfield, Biopolymers 54, 168(2000).
6. L. A. Feigin and D. I. Svergun, Structure Analysis by Small-Angle X-Ray and Neutron Scattering
7. J. Rudnick and G. Gaspari, J. Phys. A: Math. Gen. 19, 191(1986).

被引用紀錄


鄢立傑(2010)。耗散粒子動力學模擬帶支鏈官能基團高分子與線性高分子共混系統之相態衍變〔碩士論文,國立清華大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0016-1901201111395047
吳穎婷(2011)。耗散粒子動力學模擬具有剛性鏈段之三嵌段共聚物與線性高分子共混系統之相態衍變〔碩士論文,國立清華大學〕。華藝線上圖書館。https://www.airitilibrary.com/Article/Detail?DocID=U0016-1908201112574854

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