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