研究生: |
吳裕美 Yu-Mei Wu |
---|---|
論文名稱: |
Epoxy/PEL組成物之硬化行為、聚集結構及物性之研究 Study on curing behavior、aggregate structure、Mechanical Properties of Epoxy/PEL Composition |
指導教授: |
邱顯堂
Hsien-Tang Chiu |
口試委員: |
邱士軒
Shih-Hsuan Chiu 李俊毅 Jiunn-Yih Lee 邱維銘 Wei-Ming Chiu 蕭耀貴 Yao-Gui Xiao |
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: | 2006 |
畢業學年度: | 94 |
語文別: | 中文 |
論文頁數: | 26 |
中文關鍵詞: | 離子型高分子 、環氧樹脂 、增韌性 |
外文關鍵詞: | toughness, Epoxy, PEL |
相關次數: | 點閱:209 下載:0 |
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使用離子高分子(PEL)藉由同時式聚合反應的方式與環氧樹脂進行摻合,藉以改善環氧樹脂之脆性,經由實驗探討PEL對環氧樹脂的韌化機構,且經由TGA及DMA探討其相容性。
結果可得知,抗張強度隨PEL的含量增加而增加,當PEL含量高達30PHR時,伸長率急遽增加,由於純PEL與環氧樹脂間不產生化學鍵,造成其交聯結構上的缺陷。
由TGA及DMA的實驗結果可得知,環氧樹脂與PEL的相容性會隨著PEL的含量增加而獲得改善,是由於PEL帶有Li+CLO4-之電荷,產生離子鍵而改善其相容性。
由導電性實驗可得知,環氧樹脂系統會隨著PEL含量的增加而導電係數增加,當PEL含量達20PHR時,導電度明顯增加。
The polypropylene oxide-polyethylene oxide copolymer (PEL) and epoxy resin were blended by the method of simultaneous polymerization. It was exploring the toughened mechanism of the PEL-Epoxy resin with some tests. The compatibility of the blend system was discussed by TGA and DMA.
In the results, the tensile strength would be promoted with increasing the PEL content. While the PEL content was 30PHR, the elongation ratio would go to a maximum. Because that there was not any chemical bond between the pure PEL and Epoxy resin. This made the flaws in cross-linking structure.
According to the analytic of DMA and TGA, the compatibility between the epoxy resin and PEL would be improved with increasing the PEL. It was due to the PEL which brought the ionic Li+CLO4- charge which could produce ionic bond and improve compatibility.
With the analytic of conductivity, the electric conductivity coefficient between the epoxy resin and PEL would be improved with increasing the PEL. While the PEL content was 20PHR, the electric conductivity coefficient would go to a maximum.
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