结果表明乙二醇与醋酸钾的混合物是分离甲乙酮水二元恒沸物的理想萃取剂。
The separation of azeotrope of methyl ethyl ketone water has been investigated by extractive distillation using the mixture of ethylene glycol and potassium acetate as an extractant.
利用氯化铁水合物为催化剂,从乙二醇和冰醋酸制备了二乙酸乙二醇酯,在最佳条件下其收率达92%。
Ethylene glycol diacetate was synthesized from ethylene glycol and acetic acid with ferric chloride hydrate as catalyst. The yield of ester was 92% under the optimum condition.
用静态热机械分析(TMA)、差示扫描量热(DSC)等方法研究了不同分子量聚乙二醇(PEG)与二醋酸纤维素(CDA)经溶液共混形成固态共混物的相变行为和热力学性质。
The phase change behavior of polyethylene glycol(PEG) and acetate cellulose(CDA) blends prepared from mixed solution of acetone was investigated by means of DSC and TMA.
用静态热机械分析(TMA)、差示扫描量热(DSC)等方法研究了不同分子量聚乙二醇(PEG)与二醋酸纤维素(CDA)经溶液共混形成固态共混物的相变行为和热力学性质。
The phase change behavior of polyethylene glycol(PEG) and acetate cellulose(CDA) blends prepared from mixed solution of acetone was investigated by means of DSC and TMA.
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