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研究生： 溫筑雅
JU-YA WEN
論文名稱： 環氧型稀釋劑對降低壓克力型牙科綴補材之體積收縮率及其他性質的效應
The effect of the epoxy diluent on lowering volume-shrinkage and other properties of the acrylate dental restorative composites
指導教授： 許應舉
Ying-Gev Hsu
口試委員: 王英靖
Ying-Jing Wang
陳耿明
Geng-Ming Chen
林河木
He-Mu Lin
學位類別： 碩士
Master
系所名稱： 工程學院 - 材料科學與工程系
Department of Materials Science and Engineering
論文出版年： 2012
畢業學年度： 100
語文別： 中文
論文頁數： 62
中文關鍵詞： 改質奈米二氧化矽顆粒 、有機-無機牙科綴補混成複材 、低體積收縮率
外文關鍵詞： modefied colloidal nanosilica, organic-inorganic dental restorative hybrid comp, low volume shrinkage
相關次數： 點閱：256  下載：1 
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    • 本實驗將環氧系稀釋劑—3,4-epoxycyclohexylmethyl-(3,4-epoxy)-
    cyclohexane carboxylate(EEC)或bis-[2-(3,4epoxycyclohexyl)ethyl]tetramethyldisiloxane(PC-1000)及壓克力系稀釋劑—tri(ethylene glycol) dimethacrylate(TEGDMA)分別與Bis-GMA、光起始劑—(4-octylphenyl)phenyliodonium hexafluroantimonate(OPIA)、光敏感劑—camphorquinone(CQ)和改質二氧化矽奈米膠體顆粒─ES(表面含環氧基團)或TS(表面含壓克力基團)等成份均勻混合後，以可見光( λmax: 420 nm)照射，製備成不同系列之有機-無機牙科綴補混成複材(dental restorative hybrid composites, DRHCs)；經測試發現以環氧系列之EEC及PC-1000為稀釋劑所製備之DRHCs，其體積收縮率遠低於(甚至於膨脹)以TEGDMA為稀釋劑者。除了以電腦模擬軟體計算 DRHCs中各成分在聚合前後之分子間作用力之變化情形，來推測其體積收縮率差異的原因外，並以精密儀器分析DRHCs的物理、機械性質。

    The epoxy of diluents—3,4-epoxycyclohexylmethyl(3,4-epoxy)cyclohexane carboxylate(EEC) or bis-[2-(3,4-epoxycyclohexyl)ethyl]tetramethyldisiloxane(PC-1000) and acrylate type diluent—tri(ethylene glycol)
    dimethacrylate(TEGDMA) were mixed homogeneously,with the bis-GMA,the photoinitiator—(4-octylphenyl)phenyliodonium hexafluroantimonate(OPIA) and photosensitizer—
    camphorquinone(CQ), the modified nanosilica particle—ES(with 3,4-epoxycyclohexyl group on the particle surface) or TS(with methacrylate group on the particle surface) respectively. After degassing under the reduced pressure, the mixtures were exposed to the visible light( λmax: 420 nm) to prepare the dental organic-inorganic restorative hybrid composites(DRHCs). It is found that the volume shrinkage of the DRHCs with EEC or PC-1000 as a diluent is much lower than that of with TEGDMA as a diluent. The reason of such a difference was inferred by analyzing the change of the intermolecular distance of components before and after cure in the DRHCs using computational simulation. In addition, the physical and mechanical properties of the DRHCs were also determined and investigated.

    摘要 I 誌謝 III 目錄 IV 附圖目錄 VI 表格目錄 VII 第一章 前言 1 第二章 文獻回顧 4 2-1 牙科綴補樹脂之研究與發展 4 2-2無機填料表面改質之研究與應用 6 第三章 基本原理 8 3-1 光聚合反應 8 3-2 光起始劑 10 3-3 光敏感劑 12 3-4 互穿網型高分子 13 第四章 實驗 16 4-1 實驗藥品 16 4-2 儀器與設備 18 4-3 二氧化矽奈米顆粒之表面改質 21 4-3-1 二氧化矽奈米顆粒表面植入epoxy官能基 21 4-3-2 二氧化矽奈米顆粒表面植入methacrylate官能基 21 4-4 改質奈米二氧化矽顆粒之分析 22 4-6 DRHCS之性質分析 25 4-6-1 光化學反應轉化率之測試 25 4-6-2 體積收縮率之測試 26 4-6-3 模擬軟體與硬體設備 26 4-6-4 硬度測試 27 4-6-5 抗壓縮測試 27 4-6-6 吸水性測試 28 4-6-7 接觸角測試 28 第五章 結果與討論 29 5-1 二氧化矽奈米顆粒之表面改質與粒徑分析 29 5-2 牙科綴補混成複材(DRHCS)之製備 33 5-2-1 DRHCs之光化學反應轉化率 33 5-3 DRHCS之體積收縮率 37 5-3-1 DRHCs體積收縮率下降之原因探討 38 5-3-1-1環氧系稀釋劑 38 5-3-1-2 改質二氧化矽奈米顆粒 42 5-4 DRHCS之性質測試 43 5-4-1 硬度測試 43 5-4-2 抗壓縮測試 45 5-4-3 吸水性及接觸角測試 47 第六章 結論 50 第七章 REFERENCE 52

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