Repulpable corrugated boxboard

Details Repulpable corrugated boxboard Repulpable corrugated boxboard

2006-07-04

2006-07-04

Wu, David W. (Department: 1713)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S511000, C428S034200, C524S396000, C524S398000, C524S399000, C524S560000, C524S577000

Reexamination Certificate

active

07070865

ABSTRACT:
A coating composition for the linerboard of corrugated paperboard provides water and grease resistance but is water vapor permeable, and thus permits a different mode of manufacture of corrugated paperboard when aqueous adhesives are employed in the assembly of the linerboards and corrugated medium; in particular the linerboards may be coated with the coating composition prior to assembly of the corrugated paperboard because the water vapor permeable coating permits escape of the water of the aqueous adhesive, during drying of the assembled components of the corrugated paperboard; the coating composition employs a styrene-acrylate copolymer and a C14-C18fatty acid complex of a metal ion having an oxidation state of at least 3, such as chromium.

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