Patent ID: 7595115
Filing Date: 2009-09-29
Classification: B32B,C08K,D21H,Y10T

Abstract:
1. A repulpable corrugated paperboard comprising: a) first and second coated paperboard liners and a corrugated medium therebetween, each of said liners having opposed inner and outer surfaces, and said corrugated medium being adhesively secured to said inner surfaces with a cured adhesive derived by curing a water-based adhesive, b) at least one of said outer surfaces having a wax-free water-resistant, grease-resistant, water vapor permeable coating thereon, said water vapor permeable coating causing said liner having said coating to have a water vapor permeability that is high enough to permit said adhesive to dry by allowing water vapor of said water-based adhesive to escape, and c) said corrugated medium being water vapor impermeable.