anionic water based polyurethane resin

Polycarbonate Polyurethane Dispersions (PUDs) are water-based alternatives to solvent-based polyurethanes. Unlike solvent-based resins, PUDs rely on water evaporation for film formation. Their polymer backbone composition and formulation additives significantly affect properties like adhesion, flexibility, and durability. Proper formulation is crucial to optimize performance, as PUDs require balancing hydrophilic and hydrophobic components for effective film formation and mechanical properties.

Water-based Polyurethane resins, which gives arrays of properties. Wterborne Polyurethane Binder shows good oxygen-barrier property and moreover acts as an anchor and protective layer for vaporized  Aluminum and Alumina layer for food packaging films. Polyurethane Dispersion is also used an oxygen barrier coat for Solar Cell Back Sheets.