Poly(sodium 4-styrenesulfonate) CAS 25704-18-1

What is Poly(sodium 4-styrenesulfonate) CAS 25704-18-1?

Poly(sodium 4-styrenesulfonate) (CAS 25704-18-1), also known as PSS or polystyrene sulfonate sodium salt, is a water-soluble anionic polyelectrolyte. It appears as a white to tan powder and features repeating styrene sulfonate units equipped with active sulfonate groups.

Due to its strong hydrophilic nature, excellent polyelectrolyte behavior, and ion-exchange capabilities, Poly(sodium 4-styrenesulfonate) is widely used across water treatment, electronics, polymer science, and personal care formulations. It serves as an effective antistatic agent, dispersant, scale control additive, and film former in various industrial and commercial products.

Specifications

Features

• Anionic Polyelectrolyte: Functions as a strong cation-exchange polymer capable of binding ions and forming stable polyelectrolyte complexes.
• Film-Forming Property: Acts as an effective film former that retains active ingredients on surfaces and provides a skin-tightening feel in cosmetics.
• Antistatic & Conductive: Utilized as an electroconductive and antistatic resin for electrographic and electronic substrates.
• Dispersing Efficiency: Serves as a specialty dispersant, suspending aid, and protective colloid for oil-in-water emulsions.

Applications

• Water Treatment: Used as a scale control agent, flocculant, and dispersant to remove heavy metal pollution and treat wastewater.
• Cosmetic Industry: Incorporated as a viscosity controller, emulsion stabilizer, and film former in personal care formulations.
• Electronics & Imaging: Applied in semiconductors, imaging films, self-assembled monolayers (SAMs), and contact printing technologies.
• Biomedical Field: Utilized as an ion-exchange resin and potassium-binding agent in pharmaceutical and therapeutic applications.
• Membrane Technology: Applied in the preparation of adsorption ultrafiltration membranes and specialized separation layers.

Packaging

Mikem offers flexible packaging options, including 25 kg of fiber drums for liquid products and 15–25 kg PP/PE bags for powder products, all customizable to meet your specific needs.