Alternatively, hydrophobic compounds of formula (IX) can be prepared from divalent organic groups having one of the structures below or quaternary salts thereof: ##STR13## and each comprising a fluorocarbon pendant group which can be prepared by the reaction of a perfluoroalkyl sulfonamide with ethylene chlorohydrin, wherein R3 is as defined above, and R6 is a divalent group selected from the grou