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