abstract |
The present invention relates to a method of making fluoropolymer dispersions using certain multifunctional perfluoropolyether derivatives comprising a plurality of selected from -SO and fluoropolymer dispersions therefrom An ionizable group of the group consisting of 3 X a , -PO 3 X a and -COOX a , wherein X a is H, an ammonium group or a monovalent metal, and wherein said group is contained as a pendant group in the perfluoropolyether in the chain. |