臺灣博碩士論文加值系統

功能性橡膠的發展越來越多元，在原本的橡膠材料裡額外添加化合物製備成複合材料，提高更多應用的層面。奈米粒子有眾多獨特的特性，其中銀奈米粒子(AgNPs)在抑菌方面有顯著的效果。本研究使用硝酸銀作為銀源，與氫氧化鈉溶液反應來取得氧化銀，將氧化銀與十二烷基苯磺酸(DBSA)中和得到十二烷基苯磺酸-銀(AgDBS)溶液，接著與羧化丁腈橡膠乳液(XNBR latex)攪拌混合，最後使用硼氫化鈉進行還原，最終獲得含有銀奈米粒子的羧化丁腈橡膠乳液之複合材料。利用紫外/可見光譜儀(Uv-Vis)、X-光繞射儀(XRD)、X 射線光電子能譜儀(XPS)證明有銀奈米粒子的存在，再利用場發掃描式電子顯微鏡(FE-SEM)、穿透式電子顯微鏡(TEM)、高解析穿透式電子顯微鏡(HR-TEM)觀察形貌特徵以及分布狀況。由微示差掃描熱卡分析儀(DSC)、熱重損失分析儀(TGA)探討加入銀奈米粒子對於原始橡膠的熱性質變化影響，再由粒徑分析儀(PSA)了解溶液微胞粒徑的變化，通過萬能材料試驗機測量其機械性質，經由原子吸收光譜儀(AA)獲得銀離子的釋放程度，最後在大腸桿菌的環境測試其抑菌程度。

The development of functional rubber is becoming more diverse, with the addition of compounds to the neat rubber material to prepare composite materials and improve their application in multiple aspects. Nanoparticles have many unique properties, among which silver nanoparticles (AgNPs) have significant antibacterial effects.This study used silver nitrate as the silver source, which converts to silver oxide by reacting with a sodium hydroxide solution. The obtained silver oxide was then neutralized with dodecylbenzene sulfonic acid
(DBSA) to obtain dodecylbenzene sulfonate silver (AgDBS) solution, which was then mixed with carboxylated nitrile rubber latex (XNBR latex) and finally reduced using sodium borohydride to obtain a composite material containing silver nanoparticles in XNBR latex.The presence of silver nanoparticles was confirmed usingultraviolet/visible spectroscopy (UV-Vis) and X-ray diffraction (XRD). Its morphology and distribution were observed using field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM),
and high-resolution transmission electron microscopy (HR-TEM).The effects of adding silver nanoparticles on the thermal properties of the original rubber were studied using differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA), and the variations of the micelle particle size of the solution were understood using dynamic light scattering (DLS). The mechanical properties were measured using a universal material testing machine, and the release level of silver ions was obtained using an atomic absorption spectrometer (AA). Eventually, the antibacterial effect was tested in an environment of E. coli.

目錄
摘要............................................................................................................. i
Abstract..................................................................................................... iii
誌謝.............................................................................................................v
目錄........................................................................................................... vi
表目錄.........................................................................................................x
圖目錄....................................................................................................... xi
緒論.............................................................................................................1
1.1 前言..............................................................................................1
1.2 研究動機 .....................................................................................3
1.3 研究架構 .....................................................................................5
1.3.1 探討不同銀奈米粒子濃度對橡膠複合材料的影響......5
1.3.2 探討不同合成方法對於橡膠複合材料的影響..............5
1.3.3 進行抑菌性能的測試 ......................................................5
第二章 文獻回顧 ......................................................................................6
2.1 橡膠的發展 .................................................................................6
2.1.1 天然橡膠 ..........................................................................6
2.1.2 合成橡膠 ..........................................................................7
2.1.3 聚合方法 ........................................................................11
2.2 橡膠的應用 ...............................................................................12
2.3 奈米粒子簡介 ...........................................................................14
2.3.1 奈米粒子的特性 ............................................................14
2.3.2 奈米材料的應用 ............................................................17
2.4 奈米粒子............................................................................................22
2.4.1 合成奈米粒子方法..............................................................22
2.4.2 控制奈米粒子的大小 ....................................................23
2.4.3 銀奈米粒子複合材料 ....................................................25
2.5 微胞融合 ...................................................................................26
2.5.1 界面活性劑 ....................................................................26
2.5.2 微胞組成 ........................................................................27
2.6 銀前驅物 ...................................................................................29
2.7 細菌的簡介 ...............................................................................29
第三章 研究材料與實驗方法 ................................................................32
3.1 實驗藥品 ...................................................................................32
3.2 儀器設備 ...................................................................................33
3.3 實驗步驟 ...................................................................................40
3.3.1 奈米銀之橡膠乳液的製備 ............................................40
3.3.2 乳液樣品之製備 ............................................................47
第四章 結果與討論 ................................................................................52
4.1 紫外光/可見光光譜分析(Uv-Vis)............................................52
4.2 表面型態分析 ...........................................................................53
4.2.1 SEM 分析........................................................................53
4.2.2 TEM 分析........................................................................54
4.3 能量色散 X-射線光譜分析(EDS，mapping)..........................62
4.4 結晶性分析(XRD) ....................................................................64
4.5 官能基分析(FTIR)....................................................................66
4.6 X 射線光電子能譜學分析(XPS) ..............................................67
4.7 銀離子釋放量分析(A.A.).........................................................68
4.8 乳液粒徑分析(PSA) .................................................................70
4.8.1 還原前後乳液粒徑分析比較 ........................................70
4.9 熱性質分析 ...............................................................................71
4.9.1 微示差掃描熱卡分析(DSC)..........................................71
4.9.2 熱重損失分析(TGA-DTG)............................................73
4.10 機械性質分析 .........................................................................75
4.10.1 橡膠複合材料硬度之比較 ..........................................75
4.11 橡膠複合材料抑菌測試 .........................................................82
第五章 結論.............................................................................................84
第六章 參考文獻 ....................................................................................85

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