The aromatic carbonate polymers are homopolymers and {HEAD ~ copolymers} that are prepared by reacting {TAIL ~ a dihydric phenol} with a carbonate precursor 
are prepared by reacting
The aromatic carbonate polymers are homopolymers and { HEAD ~ copolymers } that are prepared by reacting { TAIL ~ a dihydric phenol } with a carbonate precursor
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH REL REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH