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題 名 | 由合成的Gyrolite製備3:2層狀矽酸及其與四丁基銨離子的插層取代反應=Synthesis of 3:2 Layered Silicic Acid from Synthetic Gyrolite and Its Intercalation Substitution with Tetrabutylammonium Ion |
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作 者 | 周世凡; 林祉成; 余明娟; 蔣瑞光; | 書刊名 | 遠東學報 |
卷 期 | 29:3 2012.09[民101.09] |
頁 次 | 頁313-320 |
分類號 | 440.2 |
關鍵詞 | 層狀鈣矽酸鹽; 層狀矽酸; 插層; 有機-無機混成材料; Layered calcium silicate; Layered silicic acid; Intercalation; Organic-inorganic hybrid composite; |
語 文 | 中文(Chinese) |
中文摘要 | 本文探討在室溫及有機溶劑二甲基甲醯胺(DMF)中以適量鹽酸與人工合成gyrolite材料反應以生成層狀矽酸,並利用此層狀矽酸與氫氧化四丁基銨進行插層取代反應。實驗發現,鹽酸與gyrolite的反應主要發生在gyrolite層狀結構中的層間層,形成層間含有DMF保護的3:2厚層層狀矽酸,其撐開的層間空間,利於後續與較大的氫氧化四丁基銨的插層取代反應,形成3:2厚層的有機銨改質的矽酸鈣有機無機混成材料,具有做為高分子/層狀矽酸鹽複合材料填充劑的極佳潛能。 |
英文摘要 | This paper studies the reaction of synthetic gyrolite with appropriate amount of hydrochloric acid in N,N-Dimethylforamide (DMF) for the formation of layered silicic acid, and the substitutional intercalation reaction of the layered silicic acid with tetrabutylammoniun hydroxide in DMF at room temperature. Based on the evidence observed, the acid leaching process was confined predominantly to the interlayer sheet of the synthetic gyrolite, resulting in the formation of 3:2 layered silicic acids with DMF filled in the interlayered space. The derivative with expanded interlayer spacing is facilitated for its interlayer intercalation with tetrabutylammoniun ion, leading to the formation of 3:2 alkylammonium ion modified layered calcium silicate organic-inorganic hybrid composites, which are excellent potential fillers for the polymer-layered silicate composite materials. |
本系統中英文摘要資訊取自各篇刊載內容。