| 摘要 |
<p>There is disclosed a process of priming a surface (preferably part of a vehicle) comprising; i) applying a UV radiation curable primer 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 and substantially no UV-C content, the UV radiation curable primer containing: 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 and; F. 0-15% by weight of customary additives. Preferably the process also includes sanding the primer and topcoating the primer with one or more topcoats. There is also disclosed a surface whenever treated in a process of the invention.</p> |
