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