LIGHTWEIGHT COATED PAPER FOR OFFSET PRINTING

摘要

PROBLEM TO BE SOLVED: To provide lightweight coated paper for offset printing, having excellent quality due to being furnished with a well-balanced combination of blank paper glossiness, opacity, printed surface strength and print glossiness, and capable of being applied with a coating liquid at high speed in a good processability. SOLUTION: When this lightweight coated paper for offset printing has two coated layers both containing a pigment and an adhesive, the top coat layer comprises 50-85 pts.wt. calcium carbonate having an average particle diameter not smaller than 0.2μm and smaller than 0.5μm as the pigment and 8-15 pts.wt. copolymer latex having 50-70 nm average particle diameter and 50-70% gel content as the adhesive both based on 100 pts.wt. pigment.