American Coatings Show 2018

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10.6 Recent Developments in UV-Curable Waterborne Dispersions (Room 240-242)

10 Apr 18
5:00 PM - 5:30 PM

Tracks: Session 10: Polyurethanes II, Session 10: Protective Coatings

The use of water borne (WB) UV polyurethane dispersions (UV PUDs) has been steadily increasing as low viscosity, sprayable coatings based on these materials can be made without using solvent or large amounts of diluents. UV PUDs combine the ease of use of conventional WB resins with the chemical, stain and high scratch resistance of crosslinked UV systems. Initially used in coatings for wood or resilient flooring, UV PUDs are being modified for use in other applications. This talk will briefly review the structure and properties of the UV-PUDs used for wood coatings and then highlight the development of several new UV PUDs that have been tailored for use in newer markets such as digital inks for the packaging market (including satisfying the regulatory requirements) as well as hardcoats for plastics, including cosmetic packaging.