High solids overprint varnish

摘要

A fluid overprint varnish containing less than about 30% of volatile organic solvent and which cures on baking is provided, said varnish consisting essentially of a mixture of: (1) an hydroxy functional saturated oil-modified polyester based on a blend of pentaerythritol or higher functional polyhydric alcohol with a diol having a neo-structure; (2) a liquid low volatile dihydric alcohol; and (3) a liquid hexafunctional malamine resin, preferably hexamethoxymethyl malamine.