The pigment particles are pretreated with {HEAD ~ a polymer} that is soluble in organic solvents, but substantially insoluble in {TAIL ~ water} 
is substantially insoluble in
The pigment particles are pretreated with { HEAD ~ a polymer } that is soluble in organic solvents , but substantially insoluble in { TAIL ~ water }
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL