A polymer solution is formed from a sulfur or oxygen containing aromatic polymer solute such as poly or poly, a Lewis Acid solute derivative such as arsenic hexafluoride and {HEAD ~ a strong acid solvent} such as {TAIL ~ sulfuric acid} 
such as
A polymer solution is formed from a sulfur or oxygen containing aromatic polymer solute such as poly or poly , a Lewis Acid solute derivative such as arsenic hexafluoride and { HEAD ~ a strong acid solvent } such as { TAIL ~ sulfuric acid }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL