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Specifications of Poly(sodium-p-styrenesulfonate)丨CAS 25704-18-1
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Appearance |
Light yellow transparent sticky liquid |
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Average molecular weight |
(5-10) × 104 |
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PSSS |
25% max. |
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Viscosity (25℃) |
20-50 mPa·s |
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Chroma |
500 max. |
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pH |
1 - 10 |
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Specific weight |
1.05 - 1.25 |
Transport Information of Poly(sodium-p-styrenesulfonate)丨CAS 25704-18-1
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Parameter |
Specification |
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UN Number |
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Class |
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Packing Group |
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H.S. Code |
2904100000302 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Tightly closed. Store in a closed, dry, ventilated place |
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Condition to Avoid |
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Package |
Manufacturing Information of Poly(sodium-p-styrenesulfonate)丨CAS 25704-18-1
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Parameter |
Specification |
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Capacity |
1200MT/year |
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Frequency |
15 days |
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Main Export Countries |
Korea, Japan, Chinese Taiwan, US |
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Capacity/Batch |
22MT |
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Experience |
Production since 2002 |
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Stock |
5MT |
Poly(sodium-p-styrenesulfonate)丨CAS 25704-18-1 is a water-soluble, anionic polyelectrolyte composed of styrene sulfonate repeating units with sodium counterions. It is a synthetic polymer characterized by a negatively charged sulfonate group attached to a polystyrene backbone.
Applications
1. Electronics and Conductive Polymers
Component in Polymer Electrolyte Membranes:
PSS is often combined with conductive polymers like polyaniline (PANI) or poly(3,4-ethylenedioxythiophene) (PEDOT) to form conductive polymer composites (e.g., PEDOT:PSS), widely used in organic electronics such as flexible displays, solar cells, and organic light-emitting diodes (OLEDs).
Doping Agent:
PSS acts as a dopant and stabilizer to enhance the conductivity and processability of conductive polymers.
2. Water Treatment and Flocculation
Used as a dispersant or antiscalant in water treatment to prevent scale formation and aid in removing suspended solids.
Functions as a polyelectrolyte flocculant to aggregate colloidal particles, helping in water purification.
3. Biomedical Applications
Serves as a component in layer-by-layer (LbL) assembly for constructing thin films and coatings in biomedical devices.
Used to create biocompatible coatings on implants or biosensors due to its negative charge and hydrophilicity.
Employed in drug delivery systems as a polyelectrolyte to control drug release rates.
4. Membrane Technology
Utilized in ion-exchange membranes and ultrafiltration membranes due to its ionic nature, enhancing selectivity and permeability.
5. Research and Development
Widely used in colloid and surface chemistry to study electrostatic interactions.
Serves as a model polyelectrolyte in studies of polymer behavior in solutions.
Used in nanotechnology for preparing nanoparticles and layered nanostructures.
6. Textile and Paper Industries
Acts as a dispersing agent or antistatic agent improving processing and properties of fibers and papers.
Benefits
1. Water Solubility and Processability
Highly soluble in water, allowing easy formulation in aqueous systems.
Facilitates easy coating, film formation, and mixing with other materials.
2. Strong Anionic Charge
The sulfonate groups confer a strong negative charge enabling effective electrostatic interactions with cationic species and polymers.
This property makes PSS excellent for electrostatic layer-by-layer assembly and stabilization of colloids.
3. Chemical and Thermal Stability
Stable under a wide range of pH and temperatures, ensuring durability in applications like membranes and coatings.
4. Enhances Conductivity
When used with conductive polymers, PSS improves electrical conductivity and film formation, crucial for flexible electronics.
5. Biocompatibility
Suitable for biomedical applications due to its non-toxic and biocompatible nature in many formulations.
Summary
Poly(sodium-p-styrenesulfonate)丨CAS 25704-18-1 is a versatile, water-soluble anionic polymer with broad applications ranging from electronics (as a key component of conductive polymer composites) to water treatment, biomedical coatings, and membrane technologies. Its strong negative charge, chemical stability, and compatibility with various polymers make it highly valuable for improving material properties, facilitating electrostatic assemblies, and enabling novel functional materials.
