Polyethyleneimine (PEI) , also known as polyazocyclic propane ,is a versatile organic polyamine polymer with the CAS: 9002-98-6. It is colorless or light yellow viscous liquid.

Its applications span a wide range of industries! From enhancing biocompatibility as a polyelectrolyte multilayer on charged surfaces to serving as a key ingredient in detergents, adhesives, and water treatment processes, PEI is truly a multifunctional powerhouse. It plays a crucial role in the printing inks, dyes, cosmetics, and paper industries, acting as an adhesion promoter, lamination primer, and fixative agent.

But that’s not all! PEI also excels as a flocculant, cationic dispersant, stability enhancer, surface activator, and chelating agent. Its unique properties allow it to scavenge aldehydes and oxides.Whether you’re working in medicinal chemistry, materials science, or any other field that requires innovative solutions, PEI is your go-to polymer for success.