Also contemplated for use are blends of {HEAD ~ any} of {TAIL ~ the above aromatic carbonate polymers} 
of
Also contemplated for use are blends of { HEAD ~ any } of { TAIL ~ the above aromatic carbonate polymers }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL