C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
260/656.2
C07C 19/08 (2006.01) C08F 8/20 (2006.01)
Patent
CA 1236489
PROCESS FOR FLUORINATING CHLOROFLUORO TELOMERS ABSTRACT An improved process for fluorinating chlorofluoro telomers, and particularly telomers of chlorotrifluoro- ethylene, is disclosed. The process of the present invention comprises reacting the crude telomer with a fluorlnating agent in the presence of a catalytic amount of a fluorination catalyst. The fluorinating agent preferably comprises chlorine trifluoride (C1F3) and the fluorination catalyst comprises a transition metal halide selected from the group consisting of halides of iron, nickel, chromium, and mixtures thereof. The process is preferably conducted at a tempera- ture in the range of from about 120°C to about 250°C and continues until the desired degree of fluorination is achieved.
427184
Gabriel Performance Products Llc.
Marcoux & Sher Swabey Mitchell Houle
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