現代的科技產業，技術不斷的進步，創造出符合人性化與方便性的產品，帶給人們生活中許多物質享受，但是由於科技的進步，對環境的衝擊有相當大的影響，除了對環境的破壞之外，能源的消耗也是目前遭遇到的問題之一。
不飽和聚酯交聯性反應的應用實例是應用於地下水道水管的修補工程，傳統的技術是利用熱水對不飽和聚酯進行熱硬化聯性反應，此技術的缺點在於需大量的熱水及反應時間長，因此會消耗許多水資源及燃料資源。在與立可通環保工程的合作下，探討利用LED燈對不飽和聚酯進行光硬化交聯性反應取代傳統熱硬化交聯性反應的可能性，期望能減少能源的損耗及縮短反應時間。因此，基於節能減碳的前提下，期望開發新的實驗方法，使不飽和聚酯在加入光起始劑並由LED燈的催化下進行交聯性反應，觀察其反應的可能性。
本研究主要探討不飽和聚脂2731-LC在加入光起始劑C47S2時，如何使用LED燈使樹脂硬化。實驗過程中，首先利用UV吸收圖譜，找出適宜的反應所需的波長。接著觀察實驗進行中的反應溫度，是否超過樹酯的玻璃轉化溫度，造成樹酯的高分子鏈的斷鍵裂解。下一步則進行不同照光能量的硬度測試，用以判斷交聯性反應的反應程度，以及加入熱起始劑BPO後，觀察BPO對硬度的影響，並對硬度曲線進行exponential function的fit及探討。
不飽和聚酯的硬化實驗主要分成兩個主題：
(1) 不飽和聚酯2731-LC加入光起始劑C47S2進行不同能量照射的光硬化反應
此反應主要探討當能量增加的情況下，觀察反應時間的變化情形，是否會因為能量的增加而有所改變。
(2) 不飽和聚酯2731-LC加入光起始劑C47S2和熱起始劑BPO進行不同能量照射的光硬化反應
此研究中，主要與主題(1)進行比較，觀察在加入BPO的形況下，反應是否會有所影響，期望不飽和聚酯的硬化藉由BPO的催化減少LED燈照射時間並達到所需的硬度。

Modern science and technologies are continually developed to create products with respect to humanity and convenience in many aspects of life. However, due to advances of technologies, it has led to serious impact on the environment. Moreover, it also facilitated energy consumption that has been widely concerned.
The purpose of this thesis is to investigate how to use LED light sources harden the unsaturated polyester, 2731-LC which is doped the photo-initiator, C47S2. Unsaturated polyester crosslinking reaction has been utilized in maintenance of sewer pipes. The conventional technique is to trigger off thermosetting crosslinking reaction of the unsaturated polyester using thermal heat exchange of hot water. The disadvantage of this technique is to require massive hot water and long reaction time. Hence, the technique consumes plenty of water and energy. To cooperate with Li-Ke-Tung Environmental Ltd., it is proposed that the lower energy consumption and shorter reaction time by investigating the feasibility of replacing conventional thermosetting crosslinking reaction of the unsaturated polyester with LED lighting. Moreover, to develop new techniques, photo-initiator was doped into the unsaturated polyester to investigate the crosslink reaction.
Experiments were logically conducted to find a proper wavelength for the UV absorption, to be certain the reaction temperature which will not excess the phase-transition temperature of the polyester leading to broken bonding and to verify effect of irradiance to the hardness of the polyester that confirms the completion of the crosslink reaction. Moreover, variation of the hardness was also investigated by doping thermo-initiator, benzoyl peroxide (BPO) and the experimental curve of the hardness was fit using an exponential function.
The hardening experiment of unsaturated polyester is divided into two topics, as follows:
(1) Hardening reaction of the unsaturated polyester 2731-LC doped the photo-initiator C47S2 cured by various irradiation energies:
This section is to investigate variation of the reaction time by increasing the levels of irradiance energy.
(2) Hardening reaction of the unsaturated polyester 2731-LC doped the photo-initiator C47S2 and the thermal initiator BPO with various irradiance energies:
The section is to investigate variation of the reaction time of the doped polyester. It is expected that the hardness of the unsaturated polyester can be achieved by shorter light curing period due to additional thermal crosslinking reaction from the doped thermo-initiator, BPO.

誌謝.................................................................................................................................i
中文摘要.......................................................................................................................iii
英文摘要........................................................................................................................v
目錄..............................................................................................................................vii
表目錄...........................................................................................................................ix
圖目錄............................................................................................................................x
第一章緒論....................................................................................................................1
1.1 前言...................................................................................................................1
1.2 光硬化性樹脂簡介...........................................................................................1
1.3 光硬化性樹脂的特性.......................................................................................2
1.4 光硬化型樹酯與熱硬化型樹酯特性之比較...................................................4
1.5 研究動機及目的...............................................................................................5
第二章文獻回顧............................................................................................................6
2.1 UV 光源的定義、分類及應用........................................................................6
2.1.1 UV 光源的定義.........................................................................................6
2.1.2 UV 光源的分類及應用.............................................................................7
2.2光的特性............................................................................................................8
2.3高分子薄膜的光吸收........................................................................................8
2.4 量子吸收率.....................................................................................................10
2.5光硬化樹脂的起源..........................................................................................10
2.6 光硬化機能.....................................................................................................11
2.7光硬化樹酯的分類..........................................................................................11
2.8光硬化樹酯反應類型的比較..........................................................................12
2.8.1 自由基型..................................................................................................12
2.8.2 陽離子型..................................................................................................13
2.9影響光硬化反應的因素..................................................................................15
2.10 光架橋反應...................................................................................................18
第三章 實驗................................................................................................................20
3.1 實驗簡介.........................................................................................................20
3.2 實驗藥品.........................................................................................................20
3.3 實驗儀器.........................................................................................................20
3.3.1紫外-可見光吸收光譜儀..........................................................................20
3.3.2 電源供應器..............................................................................................21
3.3.3光感應能量感測器...................................................................................21
3.3.4 三用電錶(含溫度測試)...........................................................................22
3.3.5 GS-702N橡膠硬度計...............................................................................22
3.4 實驗流程.........................................................................................................23
3.4.1 UV吸收溶液配製.....................................................................................23
3.4.2硬度測試之樣品製備...............................................................................23
3.4.2.1 2731-LC+C47S2之樣品配置............................................................23
3.4.2.2 2731-LC+C47S2+BPO之樣品配置..................................................23
3.4.3光能量之量測...........................................................................................23
3.4.4 光硬化......................................................................................................24
第四章 結果與討論....................................................................................................26
4.1吸收波段之測試..............................................................................................26
4.1.1 各成分之吸收..........................................................................................26
4.1.2 各成分混合之吸收..................................................................................28
4.2反應溫度..........................................................................................................30
4.3硬度測試及硬度曲線之fit..............................................................................31
4.4光起始劑和熱起始劑同時反應......................................................................33
4.5各反應停止照光後硬度變化..........................................................................36
第五章 結論................................................................................................................45
參考文獻......................................................................................................................46

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