Procedimiento para la eliminación de tinta impresa en films de plástico que comprende triturar el film libre de impurezas, eliminar la tinta con una solucion de limpieza que consiste en surfactantes en agua a ph basico y lavado del film.

摘要

The present invention relates to a method for removing ink printed on a plastic film comprising various physical/chemical treatments. The main steps in the method are: conditioning the material, grinding, removing ink from the film, washing the film, recovering the cleaning solution, recovering the pigment and drying the film. As a result of the method, it is possible to obtain, on one hand, a plastic film free of ink and, on the other hand, the pigment. Said products may be reused in industry, thereby enhancing the value chain of the product.