Description

Styrenesulfonic Acid Polymer is a high-performance, water-soluble polyelectrolyte derived from the polymerization of styrenesulfonic acid monomers. This compound is valued for its exceptional ion-exchange capacity, thermal stability, and strong anionic character, making it a critical functional material in advanced industrial processes. It is primarily utilized by manufacturers in the water treatment, electronics, and specialty polymer sectors seeking to enhance product performance through superior ionic functionality.

Application

• Ion-Exchange Resins & Membranes: A key monomer or component in the production of cation exchange resins and membranes for water softening, demineralization, and electrodialysis.
• Dispersants & Stabilizers: Acts as an effective dispersant and colloidal stabilizer in emulsion polymerization, pigment suspensions, and ceramic processing.
• Conductive Polymers: Used as a dopant or component in the synthesis of conductive polymers and antistatic coatings for electronic applications.
• Water Treatment Chemicals: Employed in scale inhibition and as a functional additive in reverse osmosis and ultrafiltration systems.
• Textile & Paper Processing: Serves as a dye-fixing agent, retention aid, and surface modifier to improve product quality and process efficiency.
• Enhanced Oil Recovery (EOR): Utilized in polymer flooding formulations to modify the viscosity and rheology of injection water.
• Pharmaceutical & Cosmetic Excipients: Functions as a viscosity modifier, emulsifier, or controlled-release agent in specialized formulations.
• Adhesives & Coatings: Improves adhesion, film formation, and water resistance in various adhesive and coating formulations.

Basic Information

Product Name	Styrenesulfonic Acid Polymer
CAS No.	68585-99-9
Molecular Formula	(C8H8O3S)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(Styrenesulfonic Acid); PSS; PSSA; Poly(4-styrenesulfonic acid); Poly(sodium 4-styrenesulfonate) precursor; Polystyrene sulfonic acid; Poly(styrene-4-sulfonate); 4-Ethenylbenzenesulfonic acid homopolymer
EINECS	Contact for details

Quality Control

Our Styrenesulfonic Acid Polymer is manufactured under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in molecular weight distribution, sulfonation degree, and purity. Certificates of Analysis (COA) detailing key parameters such as assay, residual monomer content, and solution properties are provided with every shipment to guarantee compliance with your specific application requirements.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive). Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep the container tightly sealed when not in use to prevent moisture absorption and potential caking.

Specification

Item	Specification
Appearance	White to off-white powder or beads
Identification (IR)	Conforms
Assay (as acid form)	≥ 95.0 %
Moisture Content	≤ 5.0 %
Sulfur Content	Contact for details
Molecular Weight (Mw)	Customizable (e.g., 70k, 200k, 1M Da)
pH (in solution)	Contact for details
Residual Monomer	≤ 0.5 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.