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論文中文名稱:球形氧化鋁粒子/高分子複合材料之製備及其特性分析 [以論文名稱查詢館藏系統]
論文英文名稱:Synthesis and Characterizations of Spherical Al2O3 Particle/Polymer Composite Materials [以論文名稱查詢館藏系統]
院校名稱:臺北科技大學
學院名稱:工程學院
系所名稱:材料及資源工程系研究所
畢業學年度:98
出版年度:99
中文姓名:劉秉學
英文姓名:Ping -Hsueh Liu
研究生學號:97788011
學位類別:碩士
語文別:中文
口試日期:2010-07-09
論文頁數:87
指導教授中文名:曾俊元
口試委員中文名:湯華興;周振嘉;程海東;芮祥鵬
中文關鍵詞:複合材料球形氧化鋁/聚甲基丙烯酸甲酯3-甲基丙烯醯氧基丙基三甲氧基矽烷耦合劑(γ-MPS)甲基丙烯酸甲酯(MMA)核殼結構(Core-Shell)
英文關鍵詞:Hybrid MaterialsSpherical Al2O3/PMMA3-methacryloxypropyl trimethoxy silane(γ-MPS)MMAcore-shell structure
論文中文摘要:本研究是將球形氧化鋁粉表面披覆上一層聚甲基丙烯酸甲酯(PMMA)高分子材料,使其形成球形Al2O3/PMMA的複合材料,但氧化鋁粉屬於無機物,PMMA為有機高粉子材料,兩種材料間無法形成化學鍵結,因此為了提高Al2O3/PMMA間的相容性,本實驗加入3-甲基丙烯醯氧基丙基三甲氧基矽烷耦合劑(γ-MPS)當作Al2O3與PMMA間的橋梁。
實驗初步先將球形Al2O3與3-甲基丙烯醯氧基丙基三甲氧基矽烷耦合劑(γ-MPS)於乙醇溶液中進行水解縮合反應,形成球形Al2O3/矽烷耦合劑(γ-MPS)的複合材料。接著將球形Al2O3/矽烷耦合劑(γ-MPS)粉末加入去離子水中,並添加起始劑使氧化鋁粉表面產生自由基,最後將甲基丙烯酸甲酯(MMA)滴入反應溶液中,形成一具有核殼結構的Al2O3/PMMA複合材料。
分析方面首先利用FTIR檢測Al2O3/PMMA粉末表面之化學鍵結;並用恆電位儀(Zeta Potential)分析純Al2O3粉與Al2O3/PMMA粉末的表面電位,觀察兩者間等電位點之差異性;接著以穿透式電子顯微鏡(TEM)觀察Al2O3/PMMA複合粒子的表面組合結構。
上述分析完成後將Al2O3/PMMA粉末與PVA水溶液混合,並利用刮刀成型機鋪層,形成具有一定厚度之塊材,並測試塊材的緻密度與強度,最後利用掃描式電子顯微鏡進行斷面分析。
論文英文摘要:This study is based on the technology of Al2O3 powders coated with PMMA polymer to form ceramic-polymer composite. Al2O3 powders and MMA cannot form a chemical bonding, therefore, γ-MPS was used as coupling agent to form and strengthen a chemical bond between PMMA polymer(organic) and Al2O3 powders(inorganic).
Organic-inorganic material is prepared in alkaline condition. First, Al2O3 powders and γ-MPS proceeded condensation reaction in the ethanol to form a chemical bonding. Then free radical initiator and MMA were added into above material in sequence, so that the surface of Al2O3 powders was able to be successfully coated with uniform PMMA.
A uniform film was observed under the Transmission Electron Microscopy(TEM) to show that Al2O3 powders can be coated with a thin polymer film. By the analysis of the FTIR, the C=O peak showed that the surface of coated Al2O3 had a chemical shift. Its surface potential was different from the uncoated one under the measurement of Zeta Potential meter. The test specimens formed by the polymer coated Al2O3 powders had higher strength after being tested by three-point bending test. Based on the experimental results through a series of analyses, they show that the composite particles (coated Al2O3) would be a good material for future denture application.
論文目次:摘要 I
ABSTRACT III
致謝 V
目錄 VI
第一章 緒論 1
1.1前言 1
1.2研究目的 2
第二章 文獻回顧與原理 3
2.1快速原型技術簡介(Rapid Prototyping) 3
2.1.1快速原型技術原理 3
2.1.2 陶瓷雷射熔結法之快速原型製程 (Ceramic Laser Fusion,CLF) 5
2.2 奈米粒子的基本性質 6
2.3 有機/無機奈米複合材料的形成 9
2.4 有機/無機奈米複合材料製備方法 10
2.5 矽烷耦合劑定義 12
2.5.1 矽烷耦合劑種類 12
2.6 溶膠-凝膠法 13
2.6.1 溶膠-凝膠法反應機制 14
2.6.2 溶膠-凝膠法之變因 20
2.6.3 溶膠-凝膠法之優缺點 25
2.7乳化聚合法 26
2.7.1無乳化劑乳化聚合 27
2.8 燒結理論及過程 29
2.8.1 燒結過程的物質移動 29
2.8.2 緻密化—氣孔的變化 30
2.8.3 緻密化的驅動力 31
2.8.4 影響燒結的因素 31
2.8.5 燒結添加物 32
第三章 實驗方法 35
3.1 實驗藥品 35
3.1.1 表面改質藥品 35
3.1.2 高分子聚合藥品 35
3.2 實驗分析儀器 36
3.2.1 傅立葉轉換紅外線光譜儀(Fourier Transform Infrared spectrometer, FTIR) 36
3.2.2 穿透式電子顯微鏡(TEM) 37
3.2.3 恆電位儀(Zeta Potential) 38
3.2.4 三點抗彎強度分析儀 38
3.2.5 掃描式電子顯微鏡(SEM) 39
3.2.6 能量散佈分析儀(EDS) 40
3.3 實驗原理與步驟 40
3.3.1 實驗原理 40
3.3.2 實驗步驟 42
第四章 結果與討論 46
4.1 FTIR光譜檢測 46
4.2 Zeta Potential界面電位分析 48
4.3 穿透式電子顯微鏡分析(TEM) 51
4.4 粒徑分析 59
4.5 緻密度分析 64
4.6 三點抗折試驗 66
4.7 掃描式電子顯微鏡分析(SEM) 69
4.8 元素成份分析(EDS) 79
第五章 結論 81
參考文獻 83
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