The compounds of claim 1 wherein said aliphatic fluorocarbon terminal portion is represented by the formula --D--Rf --Rh, wherein D is selected from the group consisting of a covalent bond, ##STR52## and combinations thereof, where r and r' are independently integers of 1 to about 20, s is independently an integer of 1 to about 10 for each (Cs H2d O), t is an integer of 1 to about 6, and p is an i