To provide releasable pressure-bonded recording paper improved in an inkjet printing image concentration, the preventing property of transfer of printed character, waterproof property, clearness and coating stability in a high speed rotary inkjet printing, and having practically a high quality.
This pressure-bonded recording paper having at least one pressure-bonded adhesive layer without showing any stickiness and bonding property in normal state, showing the bonding property on compression, and releasable after the bonding, on at least one side surface is characterized in that the Stockigt sizing degree of substrate paper is 10 and 70 sec, the pressure sensitive adhesive layer contains a natural rubber-based adhesive obtained by graft-polymerizing a fine particle filler, a cationic resin and an unsaturated monomer, and an adhesive having a high film-forming property, the fine particle filler is an amorphous silica having 3 and 9 m mean particle diameter and 250 and 350 ml/100 g oil absorption, the amorphous silica is 30 and 50 mass% of the total amount of the pressure sensitive adhesive components, the cationic resin is 5 and 15 mass% of the total amount of the pressure sensitive adhesive components, the natural rubber-based adhesive graft-polymerized with the unsaturated monomer is 15 and 25 mass% of the total amount of the pressure sensitive adhesive components, the adhesive having the high film-forming property is 20 and 35 mass% of the total amount of the pressure sensitive adhesive components, and the 30 and 50 mass% of the high film-forming resin is a polyvinyl alcohol.
SAITO MINORU
SAKAZUME HISATO
| JP2004300245A | 2004-10-28 | |||
| JP2004082466A | 2004-03-18 |
Okumura Yoshimichi
Blacksmith