臺灣博碩士論文加值系統

製備純丙乳液常添加有機矽而達到疏水改質之目的，此外在乳化聚合中，一般型乳化劑的使用也常會導致乳液塗膜的耐水性下降。
本研究使用反應型乳化劑(AR-10)搭配無烷氧基之甲基丙烯醯氧丙基聚二甲基矽氧烷(MCR-M22)與硬單體(MMA)/軟單體(2-EHA)共聚製得乳液型塗料，期能增加乳液塗膜之疏水、耐水性。
結果顯示增加MCR-M22用量從0 %至30 %時，塗膜接觸角由76.4∘上升至107.9∘，與陰離子乳化劑相比添加AR-10可增加塗膜之耐水性. 本研究之最佳條件為MMA/2-EHA比7/3、AR-10用量3%與MCR-M22用量2%時，塗膜接觸角94.2∘、耐水性84 hr、吸水率2.36%、耐刷洗1100次、鉛筆硬度3B及百格測試級別5。

Fabrication of acrylic emulsion usually added Silicon materials to achieve the purpose of hydrophobic modification and during the process of emulsion polymerization, the used of the traditional emulsifier always induced the decrease of the water resistance of the latex.
In this study, reactive emulsifier (AR-10) and monomethacryloxypropyl terminated polydimethylsiloxane (MCR-M22) were used to achieve silicone-acrylic emulsion copolymerized with hard monomer(MMA) and soft monomer(2-EHA). The aims of this study expected to improve the hydrophobic property and water resistance of the film.
The experimental results showed that the hydrophobic property, the water contact angle of the films increased from 94.2∘to 107.9∘by increasing the amounts of MCR-M22 from 0 % to 30 %, the water resistance of the film also increased with the adding amounts of AR-10. The optimal fabricated parameters of this study were the ratio of MMA/2-EHA of 7/3, the amounts of AR-10 of 3% and the amounts of MCR-M22 of 2%. The properties of the as-fabricated film were water contact angles of 94.2∘, the water resistance of 84 hr, the water absorption of 2.36%, the wet abrasion scrub tester of 1100 cycles, the pencil hardness of 3B and cross-cut testers of 5.

摘要 I
Abstract II
致謝 IV
總目錄 V
表目錄 VIII
圖目錄 X
中英對照表 XII
第一章 緒論 1
1-1 前言 1
1-2 研究動機與目的 2
1-3 研究架構 3
第二章 相關知識與文獻回顧 4
2-1 聚合反應分類 4
2-2 乳化聚合成核機構 7
2-3 反應型乳化劑性能及分類 15
2-4 乳化聚合技術 19
2-5 純丙乳液 25
2-5-1 (甲基)丙烯酸系單體 25
2-5-2 水性塗料 30
2-6 有機矽改質純丙乳液 31
2-6-1 物理摻混 32
2-6-2 化學共聚 33
2-7 國外製備疏水乳液之研究成果 35
2-7-1 氟系丙乳液 36
2-7-2矽丙乳液 37
2-7-3氟/矽丙乳液 38
第三章 實驗方法與設備及所需試藥 40
3-1 所需試藥 40
3-2 所需設備 42
3-3 實驗方法 43
3-4 乳液之分析及檢測 46
第四章 結果與討論 57
4-1 硬軟單體最佳配比與耐刷洗測試 57
4-1-1 硬軟單體最佳比例 57
4-1-2 耐刷洗測試 60
4-2 基本性質測試 61
4-2-1 轉化率測定 62
4-2-2 凝膠率測定 64
4-2-3 鉛筆硬度 67
4-2-4 百格測試 68
4-3 乳液性質 70
4-3-1 粒徑分析 70
4-3-2儲存穩定性 72
4-4塗膜性質 73
4-4-1耐水性 73
4-4-2 熱重分析 77
4-4-3 吸水率 78
4-4-4 水滴靜態接觸角 80
第五章 結 論 83
5-1 結論 83
5-2 建議 86
第六章 參考文獻 87
自傳 95

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