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