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