本論文透過甲基丙烯酸縮水甘油酯(GMA)上的環氧基團與氧化石墨烯(GO)上的羧酸基團產生反應而合成GO-GMA，並將聚甲基丙烯酸甲酯(PMMA)的長鏈接到改質後的氧化石墨烯(GO-GMA)上，再以調整溶劑、熱起始劑(BPO)、MMA單體及反應溫度的方式來製備三種不同分子量及四種不同濃度的PMMA+GO-GMA聚合物樣品，並且透過凝膠滲透層析儀(GPC)來鑑定聚合物樣品之分子量，接著將GO-GMA與PMMA+GO-GMA添加到甲基丙烯酸甲酯(MMA)單體及各種溶劑中製備成懸浮液樣品，再將PMMA+GO-GMA製備成聚合物樣品及高分子薄膜，並透過沉降實驗、紫外光-可見光吸收儀(UV-Vis)、傅立葉轉換紅外線光譜儀(FTIR)、示差掃描熱分析儀(DSC)、熱重分析儀(TGA)及螢光光譜儀(FL)來分析各個分子量、各個濃度的懸浮液、聚合物及薄膜樣品的沉澱速度、滯留時間、穿透率、吸收波長、熱穩定性、玻璃轉移溫度(Tg)及放光波長等性質。

In this research, we synthesized the GO-GMA by reacting between the epoxide group of glycidyl methacrylate and carboxylic acid groups of graphene oxide. And long-chain of poly(methyl methacrylate) (PMMA) is grafted on the surface of modified graphene oxide (GO-GMA). We prepared three different molecular weights and four different concentrations of PMMA+GO-GMA polymer samples by adjusting solvent, thermal initiator (BPO), methyl methacrylate (MMA), and reaction temperature. We used the Gel Permeation Chromatography (GPC) to confirm the molecular weights of PMMA+GO-GMA polymer samples. And then we prepared the suspension samples by adding the GO-GMA and PMMA+GO-GMA into methyl methacrylate and prepared polymer and polymer film samples by PMMA+GO-GMA. Finally, we analyzed the properties of samples of suspension, polymer and polymer film, such as rate of precipitation, time of retention, transmittance, absorption wavelength, thermal stability, glass transition temperature (Tg), and fluorescence wavelength by precipitation experiment, UV-Vis Spectrophotometer, Fourier Transform Infrared Spectrometer (FTIR), Differential Scanning Calorimeter (DSC), Thermal Analyzer (TGA), and Fluorescence Spectrometer (FL).

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