PULVERLACK UND DESSEN VERWENDUNG ZUR INNENBESCHICHTUNG VON VERPACKUNGSBEHAELTERN
摘要
<p>The object of the present invention is a powdered lacquer especially for use as an internal coating in packaging containers, which 1) contains at least one epoxy resin with an epoxide equivalent weight of 300 to 5500 and at least one curing agent with more than one phenolic hydroxyl group per molecule and a hydroxyl equivalent weight related to phenolic OH groups of 100 to 500; and 2) has such a grain size distribution that the size of at least 90 % by mass of the powdered lacquer particles is between 1 and 60 mu m, the maximum size of the powdered lacquer particles is </= 100 mu m, the average size of the particles lies between 5 and 20 mu m and the slope of the grain distribution curve at the inflection point is >/= 100.</p>
