Molekular-Grafting von Härtemittel/Gelatin-Mischungen von Energie behandelten Polyestern zur Förderung der Adhäsion von Schichten

摘要

The present invention comprises a polyester film support in which the surface has been subjected to an energetic treatment to produce amine groups on the polyester surface. The treated surface is then coated with a dilute solution of amine reactive hardener and gelatin. After drying the hardener/gelatin coated support a photographic emulsion is coated on the surface. The resulting film element has excellent adhesion of the photographic emulsion after photoprocessing, and it is safer to coat and handle than previously known methods involving grafting of hardener directly to the support.