Process for manufacturing labels, envelopes, folders, sleeves, from a biobased virgin paper whose characteristics are to be biodegradable and compostable while being hydrophobic and / or oleophobic.

摘要

The invention consists in forming labels, envelopes, folders, sleeves, from a biobased virgin paper whose characteristics are to be biodegradable and compostable while being hydrophobic and / or oleophobic on at least one side and in that said paper admits lamination with another virgin or recycled paper support free from any chemical residue. Process for manufacturing labels, envelopes, pocket folders formed from a paper or a virgin pulp (1) which, after being transformed into a sheet, undergoes a treatment (2) on at least one side or on both in order to become hydrophobic and / or olephobic and to achieve a thickness between 10g / m2 to 250g / m2. Depending on the case, it admits lamination by lamination and / or a coating or a micronized spraying or a projection of an adhesive formulated from natural ingredients. The formulation of the glue makes it possible to remain active by the application of a glassine or protection or to be activated by humidity or a natural wetting agent. The glue is also food contact Figure for the summary: Fig. 1 1/1