Coated sheet material and method

D - Textiles – Paper – 21 – H

Patent

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D21H 19/82 (2006.01) B65D 81/34 (2006.01) D21H 19/20 (2006.01) D21H 19/58 (2006.01) D21H 19/84 (2006.01) D21H 27/00 (2006.01) D21H 19/08 (2006.01) D21H 19/12 (2006.01) D21H 19/16 (2006.01)

Patent

CA 2128620

2128620 9314642 PCTABS00024 A novel coated sheet material is made by: (a) coating a porous substrate sheet material (10) with a barrier coating (14) comprised of (i) a crosslinkable polymer resistant to penetration by water moisture when cured, and (ii) a water-dispersible, film-forming polymer that is resistant to penetration by grease and oil when cured, said barrier coating (14) composition forming a barrier layer (14) on said substrate sheet material (10), and (b) coating said barrier layer (14) with a release coating (16) composition. The coated sheet material may be used to make containers, wrappers and/or receptacles for food and other substances, including ovenable and dual-ovenable embodiments thereof.

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