NON-AQUEOUS POLYURETHANE COATING COMPOSITIONS

摘要

The present invention relates to a non-aqueous coating composition comprising: 1) 75 to 99 wt.%, preferably 85 to 95 wt.% of a hard urethane (meth) acrylate polymer or oligomer; and 2) 1 to 25 wt.%, preferably 5 to 15 wt% of a soft unsaturated ucethane (meth) acrylai.e polymer or oligomer containing allophanate groups.