Method for producing perfluoroalkadiene compounds
AssigneeDaikin Industries, Ltd.
InventorsYuusuke Etou, Atsushi Maruo, Katsuya Nakai, Kazuhiro Takahashi
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Abstract
According to a method for producing a perfluoroalkadiene compound represented by general formula (1): CF2═CF—(CF2)n-4—CF═CF2 (1), wherein n is an integer of 4 or more, the method comprising a reaction step of adding a nitrogen-containing compound to a solution of a compound represented by general formula (2): X1CF2—CFX2—(CF2)n-4—CF2—CF2X1 (2), wherein n is the same as above, X1 is the same or different and is a halogen atom other than fluorine, and X2 is a halogen atom, the perfluoroalkadiene compound can be obtained at a high yield.
Claims8
A perfluoroalkadiene composition comprising:
- a perfluoroalkadiene compound represented by general formula (1):
- CF2═CF—(CF2)n-4—CF═CF2 (1)
- wherein n is an integer of 4 or more, and
- a fluorine-containing alkene compound having 4 or more carbon atoms,
- wherein the amount of the fluorine-containing alkene compound is 0.1 to 3 mol % when the total amount of the perfluoroalkadiene composition is 100 mol %.
Dependencies are inferred from the claim text.