Process for the preparation of perfluoropolyethers having...

Details Process for the preparation of perfluoropolyethers having... Process for the preparation of perfluoropolyethers having...

C - Chemistry, Metallurgy

08

G

C08G 65/00 (2006.01) C08G 65/22 (2006.01) C08G 65/322 (2006.01) C08G 65/323 (2006.01) C08G 65/325 (2006.01) C08G 65/329 (2006.01)

Patent

CA 2435924

Process for the perfluoropolyether preparation having reactive end groups -CH2NH2, -CHO, -CH2OH, by reduction of the corresponding perfluoropolyethers having -CN, -COCl, -CHO end groups by using gaseous hydrogen in the presence of a catalyst constituted by Pd, Rh, or Ru, supported on solid metal fluorides, at a temperature from 20°C to 150°C and under a pressure between 1 and 50 atm.

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