Process for the preparation of perfluorosuccinyl fluoride
Perfluorosuccinyl fluoride is prepared by reaction of a mixture of 1,4-dibromo-perfluorobutane and SO3 in oleum containing at least 65% of free SO3 and a catalyst comprising, besides mono- and bi-valent mercury sulphates, also B2O3 in quantities of from 0.3% to 8% by weight with respect to the free...
Gespeichert in:
1. Verfasser: | |
---|---|
Format: | Patent |
Sprache: | eng ; fre ; ger |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | Perfluorosuccinyl fluoride is prepared by reaction of a mixture of 1,4-dibromo-perfluorobutane and SO3 in oleum containing at least 65% of free SO3 and a catalyst comprising, besides mono- and bi-valent mercury sulphates, also B2O3 in quantities of from 0.3% to 8% by weight with respect to the free SO3 present in the oleum during the course of the reaction. |
---|