Document Type and Number:
Japanese Patent JPWO2021157399
Kind Code:
A1
Abstract:
Provided is a method of efficiently removing an ink layer. The method of removing an ink layer from a shrink sleeve label includes preheating the shrink sleeve label including the ink layer, shredding the shrink sleeve label (11) after the preheating to fabricate shrink sleeve label pieces (71), and removing the ink layer from the shrink sleeve label pieces (71) by alkaline desorption. A temperature of the preheating is the same as a temperature of the alkaline desorption or higher than the temperature of the alkaline desorption.
Application Number:
JP2021575730A
Publication Date:
August 12, 2021
Filing Date:
January 25, 2021
Export Citation:
