{HEAD ~ The amount} of such compounds capable of providing I or Br ions, to be used in the process of the invention, is preferably higher than the amount which corresponds to the amount of iodine or bromine which are combined in the end position of {TAIL ~ the polymeric chain} in the final polymer 
{ HEAD ~ The amount } of such compounds capable of providing I or Br ions , to be used in the process of the invention , is preferably higher than the amount which corresponds to the amount of iodine or bromine which are combined in the end position of { TAIL ~ the polymeric chain } in the final polymer
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH