| 研究生: |
許偉哲 Hsu, Wei-che |
|---|---|
| 論文名稱: |
TFT-LCD廢玻璃鹼激發膠結材之物理性質 Physical Properties of Alkali-Activated Waste TFT-LCD Glass |
| 指導教授: |
黃忠信
Huang, Jong-Shin |
| 學位類別: |
碩士 Master |
| 系所名稱: |
工學院 - 土木工程學系 Department of Civil Engineering |
| 論文出版年: | 2009 |
| 畢業學年度: | 97 |
| 語文別: | 中文 |
| 論文頁數: | 115 |
| 中文關鍵詞: | TFT-LCD廢玻璃 、鹼激發 、陳化 |
| 外文關鍵詞: | Aging, TFT-LCD waste glass, Alkali-activation |
| 相關次數: | 點閱:108 下載:3 |
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本研究藉由鹼激發原理製作TFT-LCD廢玻璃膠結材,材料包含素玻璃與液晶玻璃兩類。首先,僅以氫氧化鈉溶液為鹼激發之激發劑,於室溫拌合下,TFT-LCD廢玻璃膠結材之抗壓強度為211 kgf/cm2,但經高溫陳化後試體抗壓強度可大幅提升,鹼激發劑中雖未添加矽酸鈉,藉由適當陳化溫度與時間及養護方式即可增進TFT-LCD廢玻璃膠結材之抗壓強度,如此,將可降低製造成本。試驗結果顯示,素玻璃及液晶玻璃之最佳鹼當量皆約為15 %,其抗壓強度可分別高達656 kgf/cm2及703 kgf/cm2,同時,液晶玻璃膠結材於各相關物理性質皆優於素玻璃,顯示液晶及ITO等成分並未對TFT-LCD廢玻璃膠結材性質產生負面影響。另外,液晶玻璃粉末及其所製成膠結材皆具刺鼻味,若添加氫氧化鈣或竹炭粉即可抑制其異味。最後,TFT-LCD廢玻璃膠結材純漿體之透水量低於波特蘭水泥漿體,顯示TFT-LCD玻璃膠結材之微結構較緻密,另由鹼激發廢玻璃膠結材之砂漿試驗,發現玻璃膠結材與細骨材之黏結效果良好,具有取代波特蘭水泥為混凝土中膠結材之潛能。
In the study, alkali-activated TFT-LCD binders were made from waste pure glass and LCD glass. The compressive strength of alkali-activated TFT-LCD binders was 211 kgf/cm2 when sodium hydroxide solution used as alkaline activating solution was stirred with waste glass at room temperature. Under adequate aging temperature, aging time and curing condition, however, the compressive strengths of TFT-LCD waste glass binders were much increased even sodium silicate was not added in alkaline activating solution. Hence, the production cost of alkali-activated TFT-LCD binders was reduced. Experimental results indicate that the compressive strengths of alkali-activated pure glass and LCD glass binders are 656 kgf/cm2 and 703 kgf/cm2 respectively if the optimal alkali-equivalent content of 15% is used. Moreover, the physical properties of LCD glass binders are consistently better than those of pure glass binders. It can be said that the effects of liquid crystal and ITO on the properties of alkali-activated glass binders are insignificant. Also, uncomfortable smell caused by LCD glass powders can be suppressed by the introduction of calcium hydroxide or bamboo coal. At last, the permeability of TFT-LCD binders is lower than that of portland cement, suggesting that their microstructure is more dense. The binding between TFT-LCD binders and fine aggregates is found to be strong. Thus, the replacement of portland cement by TFT-LCD binders is promising.
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