| abstract |
The present invention relates to an inner coating of metal food containers and packaging materials and a method of making the same. The coating is applied inside and then cured at least a portion of the surface area of the container in direct contact with food or other consumables. Coating agentn n n a) at least one polyisocyanate containing on average two or more NCO groups per molecule, with at least 95% of the NCO groups blocked by a blocking agent, andn n n b) at least one polyhydroxyl compound containing an average of at least two hydroxyl groups per molecule, which reacts with the NCO group. |