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題名 | 混合乳化劑對苯胺乳膠粒子安定能力之探討=The Stabilization Effect of Mixed-Surfactants in the Emulsion Polymerization of Aniline |
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作者姓名(中文) | 林主城; | 書刊名 | 永達學報 |
卷期 | 1:2 2000.08[民89.08] |
頁次 | 頁128-136 |
分類號 | 460.02 |
關鍵詞 | 聚苯胺; 乳化聚合; 粒徑分佈; Polyaniline; Emulsion polymerization; Polydispersity index; |
語文 | 中文(Chinese) |
中文摘要 | 以陰離子性界面活性劑和/或非離子性界面活性劑為乳化劑,於室溫進 行苯胺之乳化聚合反應。對單一乳化劑系統在90轉化牢時,單位水相體積所含的 粒子總表面積(TS)與乳化劑濃度(W)有一比例關係存在;在混合乳化劑系統中則有 一修正的加成關係。起始劑(氧化劑)加入速率影響乳液粒子最終粒徑與聚合過程 中的粒徑分佈值(PolydispersityIndex)。在聚合過程的每一階段,可觀察到粒子成 核、成長、凝聚交互發生的現象。 |
英文摘要 | Using a blend of anionic and nonionic surfactants, the emulsion polymerizationof aniline was conducted at room temperature. The total particle surface area per cm3of aqueous solution (TS) at 90 conversion was found to be proportional to theamount ofsurfactant (W) used in the single-surfactant systems. A relationship close toadditive exists between the TS value and the W of each surfactant used. For most ofthe recipes, the latex particles were uniform in the terminal polymerization stage.However, in some recipes, the particle number varied during the polymerization. |
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