Polypyridinium salts

Polypyridinium salts are members of a class of main chain polyelectrolytes.{{Cite book |url=https://books.google.com/books?id=Nk36Ftgs-OYC&dq=polypyridinium%2520salts&pg=PA142 |title=Patent Applications: A Tool for Identifying Advances in Polymer Chemistry R & D |last=DeRosa |first=Thomas F. |date=2009-12-15 |publisher=John Wiley & Sons |isbn=9780470507308 |pages=142 |language=en}}