PROCESS FOR THE REDUCTION OF DIFFUSION LOSSES THROUGH A PLASTICS ARTICLE BY COATING THE SURFACE THEREOF AND COATED ARTICLE

摘要

A plastic article, especially of polypropylene or polyethylene, can be rendered resistant to diffusion of motor fuel vapors or the like and/or prepared for surface-coating by applying a film of a naturally-occurring, enzymatically-functionalized cellulose derivative having a functional phosphate, sulfate, carbonate or amino group.