The polyelectrolyte complex, used used as plasticizers shield

Is that described herein, polyelectrolyte complexes, in particular the anionic polymer, the polyelectrolyte complexes are formed from cationic polymers, use is used as a plasticizer shield, and plasticizer-containing substrate and the a method for producing a substrate, wherein the plasticizer-containing base is covered by at least one layer contains at least one polyelectrolyte complex.