Solution of a chalcogen containing {HEAD ~ polymer} in {TAIL ~ acids} and process of forming polymer articles therefrom 
Solution of a chalcogen containing { HEAD ~ polymer } in { TAIL ~ acids } and process of forming polymer articles therefrom
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH