发明名称 |
METHOD FOR PURIFICATION OF ETHYLENE COMPOUNDS HAVING FLUORINE-CONTAINING ORGANIC GROUP |
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.
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申请公布号 |
US5166453(A) |
申请公布日期 |
1992.11.24 |
申请号 |
US19910725526 |
申请日期 |
1991.07.03 |
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 |
主分类号 |
C07C41/58 |
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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