 adding {HEAD ~ a crosslinking agent} to {TAIL ~ the colorant emulsion} so as to form the cross linked core shell particle 
to
adding { HEAD ~ a crosslinking agent } to { TAIL ~ the colorant emulsion } so as to form the cross linked core shell particle
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH