TUBULAR PACKAGING CASING THE WALL OF WHICH CONTAINS FIBERS IMPREGNATED AND COATED WITH CELLULOSE HYDRATE PRODUCED FROM A VISCOSE, AND INCLUDING AN ADDITIVE IN THE FORM OF A COLOURING MATERIAL OR A PROTECTIVE AGENT AGAINST LIGHT RAYS, AND METHOD FOR ITS PRODUCTION

摘要

Disclosed is a packaging material, comprising a fibrous base web wherein at least a part of the fibers forming said base web include at least a partial coating of a mixture of chemical substances which comprise a predominant proportion of a chemical binder based on a synthetic water-soluble heat-curable cationic resin precondensate and of a minor proportion of at least one coloring chemical substance, the proportions being relative to the total weight of the mixture of substances. Also disclosed is a method of manufacturing this packaging material and a sausage casing made therefrom.