| 摘要 |
PROBLEM TO BE SOLVED: To provide a grouping method capable of providing a sufficient bonding strength in a set and capable of providing a sufficient separating property between the sets. SOLUTION: In the grouping method of pressure sensitive copying papers for obtaining a pressure sensitive copying paper set by applying and drying grouping paste on one end surface of a piled body, in which the pressure sensitive copying papers are piled in a predetermined order, when respective papers are dipped into the grouping paste and the dynamic wetting value of them after one second are measured, the dynamic wetting value (Fr) of an upper paper and a lower paper is set so as to be -0.10-±0.00 g and the average value (Fc+Fd)/2} of the dynamic wetting value (Fc) of the capsule coating surface of the upper paper or a middle paper and the dynamic wetting value (Fd) of the color developing agent coating surface of the lower paper or the middle paper is set so as to be within +0.01-+0.10 g. |
