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