Polyethylenimine, branched，聚乙烯亚胺

408727
Aldrich Polyethylenimine, branched
average Mw ~25,000 by LS, average Mn ~10,000 by GPC, branched

Description
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Application Used as a polyelectrolyte multilayer on charged surfaces to provide a biocompatible coating on surfaces.1
Detergents, adhesives, water treatment, printing inks, dyes, cosmetics, and paper industry, adhesion promoter, lamination primer, fixative agent, flocculant, cationic dispersant, stability enhancer, surface activator, chelating agent, scavenger for aldehydes and oxides.
Packaging 1 L in glass btl
  100, 250 mL in glass btl
Physical form Branched polymer

性质
mol wt average Mn ~10,000 by GPC
  average Mw ~25,000 by LS
total impurities ≤1% water
refractive index n20/D 1.5290
viscosity 13,000-18,000 （50 °C）
bp 250 °C（lit.）
density 1.030 g/mL at 25 °C