A coordination polymer catalyst limits hydrolysis and water solubility in cationic electrodeposition coatings, improving film corrosion resistance and appearance.
A conductive PVA-polyurethane seal balances fluid barrier, moisture resistance, and resistivity to improve electrophoretic display performance.
Cerium, lanthanum, or zinc salts plus an acid scavenger keep bismuth catalysts active despite phosphate ions, enabling lower-temperature curing.
A high pigment-to-binder electrodeposited coating uses distinct resin Tg domains to improve adhesion and corrosion resistance.
Controlled aminated epoxy resin distribution and film elongation improve coating adhesion, hydrophobicity, and steel rust prevention.