Description

Polyvinylimidazole is a synthetic polymer derived from the vinylimidazole monomer, known for its unique cationic and complexing properties. This polymer is valued for its ability to interact with anionic species and metal ions, making it a versatile functional material for advanced industrial applications. Key industries that utilize this product include water treatment, pharmaceuticals, and specialty coatings, where its binding and chelating capabilities are essential.

Application

• Water Treatment Flocculants: Acts as an effective cationic flocculant for clarifying process water and wastewater by binding to suspended solids and organic matter.
• Pharmaceutical Excipients: Used in drug delivery systems for its ability to form complexes and modify the release profiles of active pharmaceutical ingredients.
• Metal Ion Chelation & Recovery: Employed in hydrometallurgy and analytical chemistry to selectively chelate and recover valuable or toxic metal ions from solutions.
• Antimicrobial Coatings: Incorporated into surface coatings for medical devices or textiles to impart antimicrobial properties due to its polycationic nature.
• Adhesion Promoters: Serves as a primer or additive in coatings and adhesives to improve adhesion to difficult substrates.
• Paper Strengthening Agents: Used in the paper manufacturing industry to improve wet-strength and other physical properties of paper products.
• Catalyst Support & Immobilization: Provides a polymeric matrix for immobilizing catalysts, facilitating recovery and reuse in chemical synthesis.
• Personal Care Products: Functions as a conditioning and film-forming agent in hair care and skincare formulations.

Basic Information

Product Name	Polyvinylimidazole
CAS No.	25232-42-2
Molecular Formula	(C5H6N2)n
Molecular Weight	Variable (Polymer)
Synonyms	Poly(1-vinylimidazole); Poly(N-vinylimidazole); PVI; 1-Ethenyl-1H-imidazole homopolymer; Poly(1-vinyl-1H-imidazole); Vinylimidazole polymer; 1-Vinylimidazole polymer; N-Vinylimidazole polymer
EINECS	Contact for details

Quality Control

Our Polyvinylimidazole is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistency in molecular weight distribution, purity, and functional performance. Certificates of Analysis (COA) detailing key parameters are provided with every shipment to guarantee compliance with your specifications and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	White to off-white powder or solid
Identification (IR)	Conforms to structure
Assay (Polymer Content)	≥ 95.0 %
Moisture Content	≤ 5.0 %
Viscosity (Specified Solvent)	Contact for details
Molecular Weight (Mw)	Customizable (e.g., 10k - 500k Da)
Residual Monomer	≤ 1.0 %
Ash Content	≤ 0.5 %

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