研究生: |
翁為宏 |
---|---|
論文名稱: |
兩性共聚物的合成與對水泥漿體分散性質的影響 |
指導教授: | 許貫中 |
學位類別: |
碩士 Master |
系所名稱: |
化學系 Department of Chemistry |
論文出版年: | 2007 |
畢業學年度: | 95 |
語文別: | 中文 |
論文頁數: | 120 |
中文關鍵詞: | 共聚物 、合成 、迷你坍度 、吸附 、工作度 |
論文種類: | 學術論文 |
相關次數: | 點閱:159 下載:0 |
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強塑劑是產製高性能混凝土中的重要組成材料。本研究先利用馬來酸酐和N,N-二甲基胺乙醇合成二甲基胺乙基氧羰基丙烯酸,簡稱DME,再和氯醋酸鈉反應得到單體N,N,N-二甲基胺羧基丙烯酸乙酯乙酸鈉鹽,簡稱DCA,最後和丙烯醯胺以不同比例聚合得到共聚物,簡稱PD。以FT-IR , 1H-NMR光譜分析DME , DCA和PD;利用GPC測定PD之分子量,並以電位滴定求得PD的單體比例。
探討PD的單體比例、分子量對水泥漿體的流動性和混凝土的工作性之影響,並以吸附行為和表面電位說明。結果顯示,添加PD110 (DCA / AAM = 1 / 10 , Mw = 5.5×104) , PD15(b) (DCA / AAM = 1 / 5 , Mw = 4.7×104) 和PD15(c) (DCA / AAM = 1 / 5 , Mw = 1.1×105) 的水泥漿有較好的迷你坍度。在砂漿和混凝土中也有相似的結果,比起磺酸系強塑劑STF,在同一配比下需較少劑量即可達到相同坍流度。
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