- 學位論文
利用乳化聚合法製備聚甲基丙烯酸甲酯 / 雲母奈米複合材料及性質分析
Synthesis and Analysis of Poly(Methyl Methacrylate) / Mica Nanocomposites via Emulsion Polymerization
摘要
本論文主要是利用乳化聚合法製備聚甲基丙烯酸甲酯(PMMA)，並在製備過程中添加三種不同性質不同比例的雲母：1.ME-100，層間帶鈉離子(Na+)的改質雲母、2.MK-100F，層間OH基被氟離子(F-)取代的改質雲母以及3.已剝離的改質雲母。利用X光繞射儀(X-RD)與穿透式電子顯微鏡(TEM)證實雲母已在甲基丙烯酸甲酯(PMMA)中呈現奈米級的分散。之後將合成出來的奈米複合材以熱重分析儀(TGA)、熱傳導與微差掃瞄式熱分析儀(DSC)來評估其熱性質。以GPA測試阻氣性質，並測試耐磨耗性。實驗結果發現，經由實驗合成出來的奈米複合材料不論是在熱分解溫度、玻璃轉移溫度、阻氣性質，或是耐磨耗性均能有效被提升。
並列摘要
This study mainly discusses the polymethyl methacrylate/mica nanocomposites which were synthesized by emulsion polymerization. There are three different kinds of mica were added in the process: 1. ME-100, which brings sodium ion (Na+) among the mica layer. 2. MK-100F, the fluorine ion (F-) located in the mica layer and replace the hydroxyl group (OH-). 3. The natural exfoliated mica. The degree of dispersion of mica loading in the nanocomposites was demonstrated by using X-ray diffraction (XRD) and transmission electron microscope (TEM). The thermal properties of polymer/mica nanocomposites were determined by using thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Furthermore, the barrier properties and abrasion test were discussed in this study.
參考文獻
延伸閱讀
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