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題 名 | The Thermal Degradation of Polyacrylamide for Adsorbed Metal Ions as Stabilizers |
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作 者 | 楊木火; 李恩慈; | 書刊名 | 高苑學報 |
卷 期 | 7:1 1998.02[民87.02] |
頁 次 | 頁311-314 |
分類號 | 460.02 |
關鍵詞 | Thermal degradation; Polyacrylamide; Adsorbed metal ions; |
語 文 | 英文(English) |
英文摘要 | In this study, the thermal degradation of polyacrylamide were studied in the presentance of three metal ions under N�症as used by the thermogravimetry analyzer. The activation energies of thermal decomposition were evaluated by using Flynn's model The experimental results showed that the activation energy of polyacrylamide for adsorbed Cu Fe and Ni were 22.2, 22.3, and 22.3 in the first stage, and 39.8, 40.3, and 51.6 kcal/mole in the second stage, respectively. Moreover, transition metal ions showed dependence of stabilizing effect on ion radius for the stabilizing effect. |
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