Overview
Ionic Polyacrylamide (PAM) is a water-soluble polymer synthesized from acrylamide monomers, modified with cationic or anionic groups. It is classified by ionic charge density and molecular weight, which determine its flocculation and viscosity-enhancing properties. Widely adopted in B2B sectors, ionic PAM acts as a flocculant, thickener, and retention aid. Its effectiveness in solid-liquid separation makes it indispensable in industries like municipal wastewater treatment and mineral processing.
Physical and Chemical Properties
Ionic PAM exhibits high molecular weight and tunable charge density, enabling selective interaction with suspended particles. Cationic PAM binds negatively charged colloids, while anionic PAM works with positively charged materials. Its viscosity in solution depends on concentration and shear rate. The polymer degrades at temperatures above 60°C or under prolonged UV exposure, requiring stabilized formulations for harsh environments.
Main Applications
In wastewater treatment, ionic PAM accelerates sludge dewatering and clarifies effluents. The petroleum industry uses it for enhanced oil recovery by reducing water permeability in reservoirs. Papermakers employ PAM to improve fiber retention and sheet strength. Mining operations rely on its ability to settle tailings, reducing environmental discharge volumes.
Safety and Storage
Though classified as low-toxicity, ionic PAM powder requires dust control measures to prevent inhalation risks. Secondary containers are recommended to avoid moisture absorption during storage. Unused solutions should be disposed of following local regulations, as residual monomers may require neutralization. Shelf life typically ranges from 6–24 months in sealed, temperature-controlled conditions.
B2B Procurement Guide
Buyers should prioritize suppliers with ISO-certified production and batch-wise quality certificates. Key specifications include ionic degree (5–50%), dissolution time (<90 mins), and residual monomer content (<0.05%). Bulk purchases (20+ tons) often qualify for tiered pricing. Consider logistics: bagged shipments require moisture-proof packaging, while liquid emulsions need temperature-controlled transport.
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