| 研究生: |
吳明福 Wu, Ming-Fu |
|---|---|
| 論文名稱: |
以乳化聚合製備具核殼結構之聚(甲基丙烯酸甲酯-共聚-丙烯酸丁酯)橡膠 Preparation of Poly(methyl methacrylate-co-butyl acrylate) Core-Shell Type Rubber |
| 指導教授: |
侯聖澍
Hou, Sheng-Shu |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 化學工程學系 Department of Chemical Engineering |
| 論文出版年: | 2011 |
| 畢業學年度: | 99 |
| 語文別: | 中文 |
| 論文頁數: | 73 |
| 中文關鍵詞: | 乳化聚合 、核殼式橡膠顆粒 、聚甲基丙烯酸甲酯 |
| 外文關鍵詞: | Emulsion Polymerization, Core-Shell rubber, PMMA |
| 相關次數: | 點閱:144 下載:4 |
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本論文利用乳化聚合製備具有增韌效果的核殼式橡膠顆粒,藉由不同的乳化聚合方法與不同單體比例合成出結構為核殼式之橡膠顆粒。研究中利用NMR分析橡膠顆粒的化學結構與組成,再利用TEM照相分析橡膠顆粒的粒徑與核殼結構,並使用TGA進行測試橡膠顆粒的熱裂解與熱穩定分析與使用DSC分析橡膠顆粒的玻璃轉移溫度。我們將所合成的核殼式橡膠顆粒與市售PMMA塑膠粒子以雙螺桿攪拌器,在200 oC下射出成板材,且板材以ASTM D256進行衝擊試驗,藉以測試橡膠顆粒的增韌效果。TEM照相分析橡膠顆粒在板材中的形狀變化,進而了解橡膠顆粒在高溫下進行雙螺桿攪拌後的變化。
商業化的增韌橡膠顆粒與我們合成的核殼式橡膠顆粒的分析數據進行比較,再以兩者之間的數據差異,進而探討增韌橡膠顆粒的增韌原理。
In this research, it is based on emulsion polymerization to synthesis the toughened core-shell type rubber, and by the different method and different prescription to synthesis different core-shell type rubber. Then the core-shell type rubber analysis by Nuclear Magnetic Resonance Spectroscopy to discover the rubber is constituted by the Poly(butyl acrylate) and Poly(methyl methacrylate), and analysis by Transmission Electron Microscopy to measure the diameter and to know the structure of the core-shell type rubber, and analysis by Thermogravimetric Analyzer to discuss the degradation property and stability property of the core-shell type rubber. And the core-shell type rubber is analysis by the Differential scanning calorimetry to measure the degree of crosslinking, and analysis the specimen with core-shell type rubber to know the core-shell type rubber state in the specimen. The specimen do the Izod impact test to know how toughened of the specimen with core-shell type rubber. Then compare the core-shell rubber and commercial rubber to understand what property is different, and find what is the important property to toughened PMMA.
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