| abstract |
Provided is a deinking agent capable of improving ink collection power in a floatation process and obtaining a high quality deinking pulp without lowering pulp yield. It is an esterification agent of the alkylene oxide adduct of glycerin, and a hydroxyl value (OHV), a saponification value (SV), and an acid value (AV) are OHV / (SV-AV + OHV), it is a deodorizing agent of 0 to 0.3. |