淡江大學機構典藏:Item 987654321/47044
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    题名: 聚偏二氟乙烯接枝共聚合體自組裝奈米雙連續相形態於燃料電池質子交換薄膜之研究
    其它题名: Nanoscale Bi-Continuous Phase Morphology through Self-Assembly of PVDF Graft Copolymer for Fuel Cell Proton-Exchange Membrane
    作者: 林達鎔
    贡献者: 淡江大學化學工程與材料工程學系
    关键词: 原子轉移自由基聚合;聚偏二氟乙烯;接枝共聚合體;自組裝;奈米形態;燃料電池;質子交換薄膜;ATRP;PVDF;Graft copolymer;self-assembly;nanoscale morphology;fuel cell;proton exchange membrane
    日期: 2009
    上传时间: 2010-04-15 16:08:06 (UTC+8)
    摘要: 以原子轉移自由基聚合法(ATRP)合成聚偏二氟乙烯(PVDF)的接枝共聚合體(PVDF graft copolymer)。探討接枝比例,溶劑與溫度等因素,對於接枝共聚合體以及其摻合體的自組裝特性的影響,並深入分析對於自組裝形態結構的調控。依據高分子自組裝的行為特性,製備奈米形態相區域尺度的雙連續相薄膜。依此配製成燃料電池質子交換的薄膜,其中一相為聚偏二氟乙烯(PVDF),當作形態支撐結構;另外一相含有高分子電解質,作為載電質子的通道。完整均一的形態支撐結構,有效率的載電質子通道,可以抑制溶劑滲透,同時提高導電係數。 Atom Transfer Radical Polymerization (ATRP) technique is used to synthesize Poly(vinylidene fluoride) graft copolymer (PVDF-g-PMMA). Analogous to the self-assembly feature of block copolymer, graft copolymers are capable to self-organize into specific morphology. This research work will emphasize on studying parameters such as molecular weight of polymer, graft ratio of copolymer, solvent and temperature that are susceptible to interfere self-assembly behavior. Also attractively important will be the analysis for the control and design of morphology and the formation of nanoscale bi-continuous phase through self-assembly behavior. The aforementioned bi-continuous morphology will be used to synthesize fuel cell proton exchange membrane, where one phase consisting of PVDF serves as support material and the other one containing polyelectrolyte as conductive channel for charge carrier proton. Well structured support morphology and efficiently designed conductive channel would be promising for the enhancement of proton conductivity as well as the inhibition of solvent permeation.
    显示于类别:[化學工程與材料工程學系暨研究所] 研究報告

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