Polyethylene glycol–polyvinyl alcohol (PEG-PVA) brand name Kollicoat IR (BASF) is a multifunctional excipient[1] used as a pill binder as well as a wet binder.

A typical formulation is composed of 25% polyethylene glycol (PEG) and 75% polyvinyl alcohol (PVA); where the vinyl alcohol moieties are grafted on a polyethylene glycol backbone.

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