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Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer made from the monomer N-vinylpyrrolidone
P 2069 (OTTO) Poly(vinylpyrrolidone)-iodine complex Cas 25655-41-8 - used as a carbon nanotube coating agent to improve water solubility.