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題 名 | 相間轉移催化1,1,1-三氯乙烷脫氯化氫反應之研究=Dehydrochlorination of 1,1,1-Trichloroethane by Phase-Transfer Catalysis |
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作 者 | 王德優; 胡滌華; | 書刊名 | 技術學刊 |
卷 期 | 15:2 2000.06[民89.06] |
頁 次 | 頁307-314 |
分類號 | 460.02 |
關鍵詞 | 相間轉移觸媒; 1,1,1-三氯乙烷; 脫氯化氫; 四級銨鹽; 固定化四級銨鹽; Phase-transfer catalyst; 1,1,1-Trichloroethane; Dehydrochlorination; Quaternary ammonium salt; Polymer-supported quaternary ammonium salt; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究利用相間轉移觸媒,在鹼性條件下進行1,1,1-三氯乙烷之脫氯化氫反應,研究中探討了攪拌速率、有機溶劑極性、四級銨鹽種類及用量、鹼的用量、醇的種類和用量等因素對反應的影響。結果顯示在鹼性條件下,四級銨鹽及固定化之四級銨鹽具有不同的催化活性,研究中亦發現觸媒用量、鹼的用量、溶劑極性及攪拌速率等因素對脫氯化氫反應均有不同的影響,在反應中加入醇類,能使反應加速進行,醇類所扮演的是協催化劑的角色。 |
英文摘要 | In this study, dehydrochlorination of 1,1,1-trichloroethane was carried out in alkali solutions by phase-transfer catalysts. The results show that quaternary ammonium salts and polymer-supported quaternary ammonium salts perform different catalytic activities. The results also revealed that the reaction rate can be influenced by the concentration of catalyst, concentration of base, polarity of the organic solvent and stirring rate. Addition of alcohol, regarded as a cocatalytic agent, can make the reaction proceed faster. |
本系統中英文摘要資訊取自各篇刊載內容。