{TAIL ~ Another object} is to provide such a process which forms a polymer fraction with {HEAD ~ a certain monomeric composition} during one phase and another polymer fraction of different monomer composition and molecular weight in a second phase 
{ TAIL ~ Another object } is to provide such a process which forms a polymer fraction with { HEAD ~ a certain monomeric composition } during one phase and another polymer fraction of different monomer composition and molecular weight in a second phase
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH