Polyethyleneimine, commonly known as PEI, is a polymer with numerous tertiary amino groups along its backbone. PEI is commercially available in various molecular weight grades and water-soluble or insoluble forms. It finds wide applications as flocculants, solid phase extraction sorbents,binders, pigment dispersants, and specialty coatings among others. The ability of PEI to strongly ... https://upwarddigitalgrowth.blogspot.com/2024/09/polyethyleneimine-understanding-key.html