Alberdingk Boley have just announced the launch of LUX 250 VP, a solvent free, UV crosslinkable polyurethethane resin (PUD),

LUX 250VP has been developed for clear and pigmented wood and plastics coatings, where a combination of excellent scratch resistance and good resistance properties are combined with fast flash-off times. 

Please see here for more detail....userfiles/en_lux_250_vp_t.pdf