| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a purification method by which a fluoroalkyl vinyl ether is efficiently separated by using a specified treatment agent whose final removal is not needed. <P>SOLUTION: A crude fluoroalkyl vinyl ether containing a hydrogen fluoride addition product of fluoroalkyl vinyl ether is distilled in the presence of 1 to 10 wt.% amines to the crude fluoroalkyl vinyl ether, having a boiling point higher than that of fluoroalkyl vinyl ether by 70°C or more. The fluoroalkyl vinyl ether contains fluoroalkyl monovinyl ether and fluoroalkylene divinyl ether. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
