发明名称 |
PROCEDE DE PURIFICATION DE COMPOSES ETHYLENIQUES COMPRENANT UN GROUPE ORGANIQUE CONTENANT DU FLUOR. |
摘要 |
A purification method of a fluorine-containing alkylethylene comprises reacting the fluorine-containing alkylethylene with powdered metallic zinc in the presence of an aqueous acetic acid solution. By this method, fluorine-containing alkyl iodide and fluorine-containing alkylethyl iodide, contained as impurities in the fluorine-containing alkylethylene, can be removed effectively, for example, to a level of 1 ppm or below. |
申请公布号 |
FR2664267(B1) |
申请公布日期 |
1993.02.19 |
申请号 |
FR19910008410 |
申请日期 |
1991.07.04 |
申请人 |
SHIN ETSU CHEMICAL CO LTD |
发明人 |
MATSUDA TAKASHI;KISHITA HIROFUMI;SATO SHINICHI;YAMAGUCHI KOICHI;TAKANO KOUJI;SUGANUMA SHUJI |
分类号 |
C07C41/58;C07B63/02;C07C17/38;C07C17/395;C07C21/18;C07C41/44;C07C43/17;(IPC1-7):C07C43/17;C07C41/34 |
主分类号 |
C07C41/58 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|