Patent ID: 8172979
Filing Date: 2012-05-08
Classification: C09J,Y10T

Abstract:
1. A method of manufacturing corrugated cardboard using a porous adhesive for corrugated cardboard, comprising: preparing a mixture, including 68.5˜79.5 wt % starch, 20˜30 wt % zeolite powder having substantially the same particle size to that of the starch, and 0.5˜2 wt % of a total of microorganisms, caustic soda and a hardener; adding the mixture with water to obtain the porous adhesive for corrugated cardboard; applying the porous adhesive for corrugated cardboard on an upper liner sheet and a lower liner sheet or on a corrugated sheet, the upper liner sheet, the lower liner sheet and the corrugated sheet comprising the corrugated cardboard; laminating the lower liner sheet, the corrugated sheet, and the upper liner sheet to obtain a corrugated cardboard laminate; compressing the corrugated cardboard laminate to obtain the corrugated cardboard; and storing the corrugated cardboard under a microorganism growth condition so that a plurality of microscopic holes are formed in the starch.