发明名称 |
PROCESS FOR THE PREPARATION OF 1,1,1-TRICHLORO-2,2,2-TRIFLUOROETHANE. |
摘要 |
<p>A process for the preparation of 1,1,1-trichlorotrifluoroethane in which 1-chloro-2,2,2-trifluoroethane is subjected to chlorination by bringing the 1-chloro-2,2,2-trifluoroethane into contact with chlorine within a reaction vessel characterized in that the process is conducted in the liquid phase in the presence of a chemical free radical initiator under a pressure of from 1 to 20 bar and at a temperature within the range 50 DEG to 120 DEG C., and the product is separated from the reaction mixture by fractional distillation.</p> |
申请公布号 |
EP0652858(A1) |
申请公布日期 |
1995.05.17 |
申请号 |
EP19930917923 |
申请日期 |
1993.07.27 |
申请人 |
ZENECA LIMITED |
发明人 |
BROWN, STEPHEN, MARTIN 4 DEARNFIELD;GLASS, JANET, CAROLYN 86 BOLTON ROAD;SHELDRAKE, GARY, NEIL 16 TURNSHAWS CLOSE |
分类号 |
C07C19/08;C07C17/10;C07C19/12;(IPC1-7):C07C17/10 |
主分类号 |
C07C19/08 |
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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