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    • 2. 发明公开
    • 알킬렌 카보네이트의 제조방법 및 그를 위한 촉매
    • 制备亚烷基碳酸酯的方法和催化剂
    • KR1020110138591A
    • 2011-12-28
    • KR1020100058567
    • 2010-06-21
    • 경희대학교 산학협력단
    • 김훈식정민석누엔딘콴심유나
    • C07D317/34B01J31/12C07D233/96
    • PURPOSE: A method for preparing alkylene carbonate from alkylene oxide and carbon dioxide is provided to quickly obtain alkylene carbonate of high yield and high purity. CONSTITUTION: A method for preparing alkylene carboante of chemical formula 3 comprises a step of reacting alkylene oxide of chemical formula 2 with carbon dioxide under the presence of 1,3-dialkylimidazolium dihalodialkylphosphato zinc catalyst of chemical formula 1. The reaction is performed at 80-140°C and 10-100 atm. The 1,3-dialkylimidazolium dihalodialkylphosphato zinc is prepared by reacting 1,3-dialkylimidazolium dialkylphosphate of chemical formula 4 with zinc halide of chemical formula 5(ZnX)2.
    • 目的:提供从环氧烷和二氧化碳制备碳酸亚烷酯的方法,以快速获得高产率和高纯度的碳酸亚烃酯。 构成:制备化学式3的亚烷基芳烃的方法包括在化学式1的1,3-二烷基咪唑二卤代二烷基磷酸锌催化剂存在下使化学式2的烯化氧与二氧化碳反应的步骤。反应在80- 140°C和10-100 atm。 通过使化学式4的1,3-二烷基咪唑二烷基磷酸酯与化学式5(ZnX)2的卤化锌反应制备二烷基咪唑鎓二卤代二烷基膦酸锌。
    • 3. 发明公开
    • 지방족 디우레아의 제조방법
    • 制备二氧化钛的方法
    • KR1020110088749A
    • 2011-08-04
    • KR1020100008396
    • 2010-01-29
    • 경희대학교 산학협력단
    • 김훈식정민석누엔딘콴심유나
    • C07C273/18C07C275/04
    • PURPOSE: A method for manufacturing aliphatic diurea is provided to prepare diurea with high yield and high selectivity in a mild condition using water as a reaction solvent and catalyst and to simplify a refining process of products. CONSTITUTION: A method for manufacturing aliphatic diurea comprises a step of reacting C2-8 aliphatic diamine with urea to prepare aliphatic diurea using water as a reaction solvent and a catalyst. The C2-8 aliphatic diamine is 1,2-ethanediamine, 1,3-propanediamine, 1,4-butanediamine, 1,6-hexanediamine, 1,8-octane diamine, 1,2-cyclohexane diamine, 1,3-cyclohexanediamine, 1,4-cyclohexanediamine, 1,3-cyclohexane bismethylamine or 1,4-cyclohexane bismethylamine.
    • 目的:提供一种脂肪族二脲的制造方法,以水作为反应溶剂和催化剂,在温和条件下以高产率和高选择性制备二脲并简化产物的精制过程。 构成:制造脂肪族二脲的方法包括使C 2-8脂族二胺与尿素反应以使用水作为反应溶剂和催化剂制备脂族二脲的步骤。 C2-8脂族二胺是1,2-乙二胺,1,3-丙二胺,1,4-丁二胺,1,6-己二胺,1,8-辛二胺,1,2-环己烷二胺,1,3-环己二胺 1,4-环己烷二胺,1,3-环己烷二甲胺或1,4-环己烷二甲胺。