USE OF AN AQUEOUS DISPERSION OF BIODEGRADABLE POLYESTERS

摘要

The invention relates to the use of an aqueous dispersion of at least one biodegradable polyester in the form of a coating for improving the barrier properties of packaging materials made of paper or cardboard, in particular packaging materials made of recycled paper or cardboard, with respect to mineral oils. The invention further relates to a method for producing barrier coatings on paper or cardboard, in particular on recycled paper or cardboard.