Perfluoroallyl fluorosulfate and its sultone and polymers

Details Perfluoroallyl fluorosulfate and its sultone and polymers Perfluoroallyl fluorosulfate and its sultone and polymers

1978-08-08

1980-06-03

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

526243, 526270, 549 89, C07C14102, C07C14110

Patent

active

042061385

ABSTRACT:
Hexafluoropropene is reacted with liquid sulfur trioxide in the presence of boric oxide, boron trichloride, boron trifluoride, tri(lower alkyl) borate, boron trioxychloride or boron trioxyfluoride at from 0.degree. C. to 150.degree. C. to form perfluoroallyl fluorosulfate and the sultone thereof. The perfluoroallyl fluorosulfate can be homopolymerized or copolymerized with various fluoroethylenes to form resins useful as ion exchange resins or catalysts. The fluorosulfate groups on the resins can be hydrolyzed to form carboxylic acid groups or various corresponding salts. The sultone of perfluoroallyl fluorosulfate can be rearranged to form .beta.-fluorocarbonyl-.beta.-fluorosulfonyl-trifluorethyl fluorosulfate.

REFERENCES:
patent: 4126631 (1978-11-01), Krespan et al.

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