湖北师范学院学报：自然科学版
湖北師範學院學報：自然科學版
호북사범학원학보：자연과학판
Journal of Hubei Normal University(Natural Science)
2012年
1期
67-70
,共4页
丁酮乙二醇缩酮%NH4Fe(SO4)2.12H2O%催化剂%正交试验
丁酮乙二醇縮酮%NH4Fe(SO4)2.12H2O%催化劑%正交試驗
정동을이순축동%NH4Fe(SO4)2.12H2O%최화제%정교시험
butanone glycol ketal%ammonium ferric sulfate%catalyst%orthogonal test
以乙二醇和丁酮为原料,NH4Fe（SO4）2.12H2O为催化剂合成丁酮乙二醇缩酮。通过正交实验得出的适宜反应条件为：固定丁酮的物质的量0.2mol,丁酮与乙二醇的物质的量之比为1.0∶1.6,NH4Fe（SO4）2.12H2O用量占反应物总量的4.3%,反应时间为2.5h,带水剂环己烷用量20mL.在此反应条件下,丁酮乙二醇缩酮的收率为68.1%.
以乙二醇和丁酮為原料,NH4Fe（SO4）2.12H2O為催化劑閤成丁酮乙二醇縮酮。通過正交實驗得齣的適宜反應條件為：固定丁酮的物質的量0.2mol,丁酮與乙二醇的物質的量之比為1.0∶1.6,NH4Fe（SO4）2.12H2O用量佔反應物總量的4.3%,反應時間為2.5h,帶水劑環己烷用量20mL.在此反應條件下,丁酮乙二醇縮酮的收率為68.1%.
이을이순화정동위원료,NH4Fe（SO4）2.12H2O위최화제합성정동을이순축동。통과정교실험득출적괄의반응조건위：고정정동적물질적량0.2mol,정동여을이순적물질적량지비위1.0∶1.6,NH4Fe（SO4）2.12H2O용량점반응물총량적4.3%,반응시간위2.5h,대수제배기완용량20mL.재차반응조건하,정동을이순축동적수솔위68.1%.
Butanone glycol ketal was prepared from butanone and ethylene glycol using ammonium ferric sulfate as catalyst.The optimal reaction conditions were screened by orthogonal test method.The yield of butanone glycol ketal can reach 68.1% under the optimum reaction conditions that butanone is 0.2mol,molar ratio of butanone to glycol is1.0∶ 1.6,the quantity of catalyst is equal to 4.3% of the feed stocks,the carrying-water agent is 20mL,and the reaction time is2.5h.
