发明名称 |
AZEOTROPIC MIXTURE OF PERFLUOROALKYL IODIDE AND HYDROGEN FLUORIDE, AND METHOD FOR ISOLATING AND PURIFYING PERFLUOROALKYL IODIDES |
摘要 |
A method for isolating and purifying 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride from a mixture of them, characterized by distilling an azeotropic mixture of 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride from a mixture containing 1,1,1,2,2-pentafluoroethyl iodide and hydrogen fluoride either after liquid-liquid separation when the mixture is heterogeneous or directly when the mixture is homogeneous to obtain 1,1,1,2,2-pentafluoroethyl iodide or hydrogen fluoride through the bottom of the distillation column.
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申请公布号 |
WO9856742(A1) |
申请公布日期 |
1998.12.17 |
申请号 |
WO1998JP02351 |
申请日期 |
1998.05.27 |
申请人 |
DAIKIN INDUSTRIES, LTD.;SEKI, EIJI;OTSUKA, TATSUYA;HIRATA, TATSUYA;TANAKA, YOSHINORI;AOYAMA, HIROKAZU |
发明人 |
SEKI, EIJI;OTSUKA, TATSUYA;HIRATA, TATSUYA;TANAKA, YOSHINORI;AOYAMA, HIROKAZU |
分类号 |
B01D3/36;C01B7/19;C07C17/38;C07C17/383;C07C19/16;(IPC1-7):C07C19/16 |
主分类号 |
B01D3/36 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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