Overview
90 Ionic Polyacrylamide is a high-molecular-weight synthetic polymer characterized by its 90% ionic degree, making it particularly effective in applications requiring strong charge interactions. As a water-soluble polymer, it belongs to the polyacrylamide family, which is widely recognized for its flocculation and viscosity-modifying properties. The '90 ionic' designation refers to its high cationic or anionic charge density (depending on formulation), which enhances its performance in binding with suspended particles. This polymer is manufactured through solution or inverse emulsion polymerization processes, with strict quality control to ensure consistent molecular weight and charge density.
Physical and Chemical Properties
The polymer exhibits remarkable solubility in water, forming viscous solutions even at low concentrations (0.1-0.5%). Its high molecular weight (typically 5-20 million Daltons) contributes to its excellent bridging ability between particles. The ionic groups provide strong electrostatic interactions with oppositely charged contaminants. Thermal stability is maintained up to 80°C for prolonged periods, with decomposition beginning around 210°C. The polymer shows good pH tolerance (2-10), though performance peaks in neutral to slightly alkaline conditions. Its density of 1.3 g/cm³ and granular form facilitate handling and dissolution processes.
Main Applications
In water treatment, 90 Ionic Polyacrylamide serves as a superior flocculant for municipal wastewater and industrial effluents, particularly for removing heavy metals and organic contaminants. Its high ionic strength makes it effective for sludge dewatering and clarification processes. The oil industry utilizes it for enhanced oil recovery (EOR) as a viscosity modifier and for controlling water mobility in reservoirs. In paper manufacturing, it functions as a retention aid and drainage accelerator. Additional applications include mineral processing (as a flocculant in tailings treatment) and textile wastewater treatment.
Safety and Storage
While generally classified as non-toxic, the powder form can cause mild irritation to eyes, skin, and respiratory system upon direct contact. Appropriate PPE (gloves, goggles, dust masks) should be worn during handling. The product is not considered flammable but may decompose at high temperatures, releasing nitrogen oxides. Storage requires protection from moisture and high humidity (relative humidity <70%). The material should be kept in original packaging or airtight containers, away from direct sunlight. Under proper conditions, shelf life exceeds 2 years. Spills should be contained and cleaned with dry methods to prevent slippery surfaces.
B2B Procurement Guide
Industrial buyers should specify ionic type (cationic/anionic), molecular weight range, and solubility rate when sourcing 90 Ionic Polyacrylamide. Bulk purchases (20+ tons) typically qualify for 10-15% discounts. Key quality indicators include: ionic degree certificate (90±2%), residual acrylamide content (<0.05%), and dissolution time (<60 minutes). Reliable suppliers provide technical data sheets with batch-specific testing results. For water treatment applications, NSF/ANSI Standard 60 certification may be required. Transportation preferably uses moisture-proof containers, with sea freight being the most cost-effective for international orders. Sample testing is recommended before large purchases to verify performance in specific applications.
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