 {HEAD ~ the mole percent} of the comonomer and ampholytic ion pair grafted therewith are in {TAIL ~ the range} of 
{ HEAD ~ the mole percent } of the comonomer and ampholytic ion pair grafted therewith are in { TAIL ~ the range } of
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH