Polyvinyl alcohol-polyethylene glycol graft co-polymer for instant release coatings.
The Kollicoat® IR polymer consists of 75 % polyvinyl alcohol units and 25 % polyethylene glycol units with 0.3 % SiO2. It has low viscosity and is readily soluble in water and in alkaline aqueous media. It is a white to faintly yellow free-flowing powder. Also coloured polymers in white, red, brilliant blue, sunset yellow, carmine, yellow, and black are available.
Kollicoat® IR is used as instant release quickly dissolving coating.