Process for the continuous oligomerization of hexafluoropropene

Details Process for the continuous oligomerization of hexafluoropropene Process for the continuous oligomerization of hexafluoropropene

1990-01-11

1992-02-11

Killos, Paul J.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic halides

C07C 5158

Patent

active

050877488

ABSTRACT:
A continuous process for the preparation of perfluorinated carbonyl fluorides from hexafluoropropene oxide (HFPO), in which HFPO is continuously oligomerized in a catalyst solution in devices which allow separation of the heavy product phase from the catalyst phase during the reaction, is described. Different oligomer distributions can be achieved by choice of the catalyst and different operating temperatures. The reaction itself takes place always in the substantial absence of the product which is formed, and achieves a considerable saving in time.

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