Patent ID: 6838177

Claim:
A process for priming a surface comprising; i) applying a UV radiation curable to the area to be primed ii) curing the primer with UV radiation provided by one or more UV lamps having a UV-B:UV-A ratio of 1:1 or less, the UV radiation curable primer comprising A) 0-84% by weight of one or more compounds containing one ethylenically unsaturated free-radically polymerisable group per molecule B) 5-50% by weight of one or more compounds containing two or more ethylenically unsaturated free radically polymerisable groups per molecule C) 10-70% by weight of one or more pigments, fillers and/or dyes D) 1-8% by weight of one or more photoinitiators E) 0-20% by weight of volatile organic solvent said F) 0-10% by weight of customary additives.