Poly(styrenesulfonic acid), sodium salt (MW ~75,000)

Poly(styrenesulfonic acid) (PSSA) is a highly acidic, water-soluble polymer containing sulfonic acid functional groups. These groups impart strong ionic conductivity and hydrophilicity, making PSSA valuable in proton exchange membranes, polyelectrolytes, and ion-exchange resins. PSSA is widely used in fuel cells, coatings, and biomedical applications due to its strong acidic nature and high solubility in water.
Polydispersity 3-5 Applications: Fuel Cells & Membranes: Used in proton exchange membranes for energy applications. Polyelectrolytes & Conductive Coatings: Enhances charge transport in electronic and coating applications. Biomedical & Drug Delivery: Acts as a stabilizer and carrier in pharmaceutical formulations.