Coated products for the oral sector, use and coating process for chitosan

摘要

Process for coating a plastic surface with the biopolymer chitosan, characterized in that an adherent plastic biopolymer composite by the steps • silicatization and hydrophilization of the surface (5) by blasting with silicate-containing blasting material (20), • applying a chitosan acetic acid solution (30) on the Blasted surface (5 '), • Condensation of the chitosan solution (30) and • Neutralization of the chitosan layer (3) is available.