臺灣博碩士論文加值系統

碳黑是有機物經由不完全燃燒或是裂解的產物，可廣泛應用在橡膠、塑料、油墨、塗料及電池領域。但碳黑容易團聚，故不容易於水性溶液中分散。本論文研製開發親水性碳黑，發現提高碳黑表面的含氧官能基是碳黑親水性的必要條件。碳黑經過適當的氧化後，可以使碳黑的表面含有更多的含氧官能基，如此可以進一步進行化學反應或是接枝反應，提升碳黑親水性或者是其他補強的性能。
本論文將碳黑利用不同濃度的過氧化氫與催化劑，製備了具有不同程度的含氧官能基的色素碳黑，改善碳黑的親水性與分散性，並使用FTIR評估不同氧化劑的表面官能基，包括:
使用亞鐵試劑來催化過氧化氫氧化碳黑的效率，並以揮發分評估碳黑表面含氧官能基的差異。利用動態光散色儀(Dynamic light scattering, DLS)可以獲得(a)碳黑的粒徑與(b)碳黑在水中的分散性。
結果顯示碳黑經過雙氧水與加熱回流處理後具最佳的親水性。

Carbon black is a byproduct of incomplete combustion or the pyrolysis of organic matter, and it finds wide applications in the fields of rubber, plastics, inks, coatings, and batteries. However, carbon black tends to agglomerate easily, making it challenging to disperse in aqueous solutions. This thesis focuses on the development of hydrophilic carbon black and demonstrates that increasing the presence of oxygen-containing functional groups on the surface of carbon black is crucial for achieving hydrophilicity. By effectively oxidizing carbon black, the surface can be enriched with more oxygen-containing functional groups, enabling further chemical reactions or grafting reactions to enhance the hydrophilicity and other reinforcing properties of the carbon black.
To explore this concept, various concentrations of hydrogen peroxide and catalysts were employed to prepare pigment carbon black with differing degrees of oxygen-containing functional groups. This approach effectively improved the hydrophilicity and dispersibility of carbon black. The surface functional groups of different oxidants were evaluated using FTIR spectroscopy, with the following methods:
The use of a ferrous reagent as a catalyst to assess the efficiency of hydrogen peroxide oxidation of carbon black, with the evaluation of oxygen-containing functional groups on the carbon black surface through the measurement of volatile matter.Dynamic light scattering (DLS) was employed to determine both the particle size and dispersibility of carbon black in water.
The results demonstrate that the carbon black exhibits optimal hydrophilicity when dispersed in water using a hydrogen peroxide and reflux heating treatment.

摘要 i
Abstract ii
致謝 iv
目錄 i
表目錄 vii
圖目錄 viii
第一章 緒論 1
1-1 研究背景 1
1-2 研究目的及方法 2
第二章 相關知識與文獻回顧 4
2-1 碳黑 4
2-2 親水性碳黑 7
2-3 過氧化氫碳黑 8
2-4 碘吸收值 9
2-5 零電荷點 10
2-6 動態光散色儀 11
2-7 比表面積和孔隙率分析儀 15
2-8 傅立葉轉換紅外光譜儀 17
2-9 程溫脫附實驗 18
2-10 不同氧化程度的碳黑TPD-MS與ICG-MS 21
2-11 圓盤離心光沉積法 22
第三章 實驗 23
3-1 藥品與試劑 23
3-2 設備 23
3-3 設計配方 24
3-4 雙氧水氧化碳黑的製備 25
3-5 Fentong試劑氧化碳黑的製備 26
3-6 親水性碳黑製備 26
3-7 研究方法 29
第四章 結果與討論 31
4-1 TGA測試結果 31
4-2 DLS粒徑測試結果 34
4-3 Zeta電位測試結果 36
4-4 Zeta電位/PH測試結果 37
4-5碘吸收值測試結果 38
4-6 FTIR測試結果 39
4-7 DCP測試結果 42
4-8 SSA測試結果 46
4-9不同pH值下加入等量的碳黑的pH變化量測試結果 48
第五章 結論 50
第六章 參考文獻 52

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