1. Water Treatment

• Flocculant &  Coagulant Aid: Polyelectrolytes are charged polymers that help destabilize suspended particles in water by neutralizing their surface charges. This causes the particles to clump together (flocculate), forming larger aggregates that settle more quickly or can be filtered out efficiently. This process is vital for clarifying drinking water and treating industrial wastewater.
• Sludge Dewatering: After flocculation, polyelectrolytes help separate water from sludge by forming compact flocs that release water easily, reducing sludge volume and lowering disposal costs.
• Scale and Corrosion Control: Some polyelectrolytes inhibit scale formation by binding with scale-forming ions and can form protective layers on metal surfaces to reduce corrosion in water systems.

2. Pulp & Paper Solutions

• Retention Aid: During papermaking, fine fibers and fillers tend to wash away with the water. Polyelectrolytes improve retention by binding these particles to the fiber network, enhancing paper strength and reducing raw material loss.
• Dry Strength Agent: Polyelectrolytes increase the bonding between cellulose fibers, improving the mechanical strength of the paper once dried.
• Drainage Aid: By promoting faster water removal from the wet pulp, polyelectrolytes increase the speed and efficiency of the papermaking process.

3. Energy

• Drilling Fluids Additive: Polyelectrolytes adjust the rheology of drilling muds, controlling viscosity and preventing fluid loss into porous formations, thus stabilizing the borehole and improving drilling efficiency.
• Enhanced Oil Recovery (EOR): Polyelectrolytes increase the viscosity of injection water in reservoirs, improving sweep efficiency and helping displace trapped oil for better recovery.

4. Fabric Solutions

• Dye Fixing Agent: Polyelectrolytes bind dyes to fabric fibers more effectively, improving color fastness and reducing dye runoff.
• Sizing Agent: Applied to yarns, they enhance tensile strength and reduce breakage during weaving.
• Wastewater Treatment: Polyelectrolytes help remove dye particles and suspended solids from textile effluent, enabling compliance with environmental regulations.

5. Personal Care

• Thickening Agent: Polyelectrolytes increase viscosity, giving creams, lotions, and gels their desired texture and stability.
• Film Former: They create thin, continuous films on skin or hair, providing conditioning, protection, or styling effects.
• Emulsifier Stabilizer: Polyelectrolytes stabilize oil-in-water or water-in-oil emulsions, preventing phase separation and maintaining product consistency.