臺灣博碩士論文加值系統

本文製備含磷之光硬化型 ( UV-Curable ) PU樹脂，所用之含磷雙壓克力單體，經由二氯苯基膦 ( Dichloro phenyl phosphonic ) 或三氯氧化磷 ( phosphorus oxychloride ) 與含有羥基之壓克力單體 ( 2-Hydroxyethyl methacrylate 2-HEMA ) 經由取代反應製得。由二異氰酸酯(isophorone diisocyanate IPDI)和聚二元醇 (polypropylene glycol-1000 PPG-1000) 以加成反應製得以異氰酸酯官能基 ( -NCO ) 為末端基之PU寡聚物，再與2-HEMA經加成反應製備光硬化型PU寡聚物。
論文中合成兩種含磷雙壓克力單體 ( 2HBP、2HOP ) 作為光硬化型PU寡聚物之活性稀釋劑，與所製得之光硬化型PU寡聚物調配成光硬化型PU樹脂，經由紫外光起始進行自由基架橋反應。所得之含磷PU/Acrylate共聚物。經由膠含量的提升量證明架橋反應的進行；以動態機械分析儀 ( DMA ) 分析架橋後共聚物之機械及物理性質；由EDS 來觀察磷元素於樹脂本體中的分佈狀況；以熱重分析儀( TGA/FTIR )、臨界需氧指數 ( L.O.I. ) 及錐型熱卡儀 (cone calorimeter ) 來評估磷含量對PU樹脂熱安定性及難燃性的影響。
在本文所提之"光硬化樹脂"為自由基加成型光硬化型樹脂。光硬化型樹脂的磷化，利用含磷的活性單體的添加是最簡便的，將磷元素引進光硬化活性單體，評估此單體對樹脂熱安定性及阻燃性提昇的幫助，是本文企圖探討的主題。

An UV-curable polyurethane (PU) system is prepared by an addition of 2-hydroxyethyl methyacrylate (HEMA) into NCO-terminated PU prepolymer. The PU prepolymer is synthesized from a polyaddition of isophorone diisocyanate (IPDI), polypropylene glycol-1000 (PPG-1000), and dimethylolpropanic acid (DMPA). A phosphorus-containing reactive dilutent is obtained from the substitution of phosphorus oxyichloride or Phenyl phosphonic dichloride with HEMA. The photo-curable PU system is formulated from a combination of UV-curable PU oligomer, phosphorus-containing reactive diluent and photoinitiator. The photo-curing reaction takes place when the curing system is irradiated with UV light. The physical and the mechanical properties of the resulting photo-cured PU system were improved. In the meantime, the thermal behaviors and the flame inhibition of the final PU system were evaluated by thermogravimetric analysis, limiting oxygen index, and cone calorimeter, respectively. The evenly distribution of phosphorus in PU system was also proved by EDS.

目錄
主文
第一章 緒論
一、前言……………………………………………………… 1
二、難燃方法及機構………………………………………… 1
三、物質之燃燒機構………………………………………… 2
四、難燃劑…………………………………………………… 4
五、光硬化樹脂……………………………………………… 7
第二章 文獻回顧
一、光硬化樹脂……………………………………………… 12
二、含磷樹脂………………………………………………… 14
第三章 實驗部分
一、儀器裝置………………………………………………… 20
二、藥品……………………………………………………… 21
三、實驗步驟………………………………………………… 21
第四章 結果與討論
一、單體合成………………………………………………… 29
二、光硬化樹脂合成………………………………………… 30
三、含磷PU樹脂中磷元素的分析………………………… . 32
四、含磷PU樹脂的物理及熱機械性質…………………… . 32
五、難燃性質測試…………………………………………… 36
第五章 結論………………………………………………… 45
參考資料………………………………………………………46

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