| 摘要 |
PROBLEM TO BE SOLVED: To provide a coated multiply cardboard causing no fall of minute foreign matters from the rear surface, little in adhesion of the surface and the rear surface, excellent in resistance to void on the printing surface, and having qualities satisfying processing suitability suitable for a corrugated cardboard case and the like even when intending low unit weight/lightening of 10-15% compared with the conventional cardboard, and having stamp printing suitability suitable for both of aqueous/oil-base inks when used for the corrugated cardboard case of vegetables and fruits application. SOLUTION: The coated multiply cardboard comprises a substrate paper comprising at least a surface layer and a rear surface layer, a coating liquid for the surface coating layer and containing resin particles is coated on the surface layer to form a surface coating layer, the rear surface layer gives 260-350 mL defiberization freeness of the defiberized pulp containing minute fiber of 0.2-0.6 mm average fiber length of the fiber length distribution, and a coating liquid for rear surface coating layer and containing a water-soluble resin is coated to be 0.5-2.0 g/m<SP>2</SP>on the surface of the rear surface layer to form a rear surface coating layer. COPYRIGHT: (C)2011,JPO&INPIT |
