-
公开(公告)号：US20200247735A1
公开(公告)日：2020-08-06
申请号：US16757501
申请日：2018-10-23
Applicant: DAIKIN INDUSTRIES, LTD.
Inventor： Kazuhiro TAKAHASHI , Yuuko OHHIGASHI , Junpei IYOTA
IPC: C07C17/386
Abstract: By subjecting a starting material composition containing hexafluorobutadiene and at least one additional compound selected from the group consisting of octafluoro-1-butene, octafluoro-2-butene, heptafluoro-1-butene, and heptafluoro-2-butene to extractive distillation in the presence of an extraction solvent to reduce the concentration of the additional compound, hexafluorobutadiene with higher purity can be obtained.
Search Results
1
records
(took 0.01 seconds)
筛选
AND
AND
过滤
NOT
NOT
Scan to Join
