MULTILAYER FUNCTIONAL PAPER

1 . A paper packaging structure comprising:

a paper structure having an inner surface and an outer surface;

a barrier layer disposed adjacent the inner surface of the paper structure, wherein the barrier layer comprises a water-based oxygen barrier and a solvent-based sealant layer, wherein the oxygen barrier is positioned adjacent the inner surface of the paper structure.

2 . The paper packaging structure of claim 1 , wherein the inner surface of the paper structure is surface treated.

3 . The paper packaging structure of claim 1 , wherein the paper structure comprises a vacuum deposited barrier coating.

4 . The paper packaging structure of claim 3 , wherein the vacuum deposited barrier coating is AlOx, or SiOx.

5 . The paper packaging structure of claim 1 , wherein the paper structure comprises a metalized paper.

6 . The paper packaging structure of claim 5 , wherein the paper structure comprises a topcoat applied to the metalized surface of the paper structure.

7 . The paper packaging structure of claim 1 , wherein the paper structure comprises a metal layer.

8 . The paper packaging structure of claim 7 , wherein the paper structure comprises a topcoat applied to the metal layer.

9 . The paper packaging structure of claim 8 , wherein the topcoat is configured to facilitate a bond between the paper structure and the barrier layer.

10 . The paper packaging structure of claim 7 , wherein the metal layer is applied to a primer layer.

11 . The paper packaging structure of claim 1 , wherein the sealant layer is a heat seal coating.

12 . The paper packaging structure of claim 1 , wherein the oxygen barrier is a PVA solution.

13 . The paper packaging structure of claim 10 , wherein the PVA solution is cross linked.

14 . The paper packaging structure of claim 1 , wherein the sealant layer is a cold seal coating.

15 . The paper packaging structure of claim 1 , wherein the barrier layer defines a uniform thickness.

16 . The paper packaging structure of claim 1 , wherein the paper structure comprises a moisture barrier.

17 . A method of making a paper structure, the method comprising:

applying a surface treatment to a paper structure;

coating a water-based oxygen barrier onto the surface treated surface of the paper structure;

at least partially drying the water-based oxygen barrier; and

coating a solvent-based sealant layer onto the water-based oxygen barrier.

18 . The method of claim 17 , wherein the paper structure comprises a moisture barrier.

19 . The method of claim 17 , wherein the paper structure is metalized and forms a metalized surface.

20 . The method of claim 17 , additionally comprising applying a topcoat to the metalized surface of the paper structure.

21 . The method of claim 17 , additionally comprising applying a primer to the paper structure.

22 . The method of claim 17 , wherein the surface treatment is a corona treatment.

23 . The method of claim 17 , wherein the oxygen barrier is applied to the paper structure at a ratio of between 0.25-1 pound per ream.

24 . The method of claim 17 , wherein the oxygen barrier is applied to the paper structure at a ratio of between 0.5-0.7 pounds per ream.

25 . The method of claim 17 , wherein the sealant layer is applied at a weight ratio between 1-4 pounds per ream.

26 . The method of claim 17 , wherein the sealant layer is applied at a weight ratio between 2-3 pounds per ream.

27 . The method of claim 17 , wherein the paper structure comprises a vacuum deposited barrier coating.

28 . A package comprising:

a paper packaging structure, wherein the paper packaging structure comprises:

paper structure having an inner surface and an outer surface; and

a barrier layer disposed adjacent the inner surface of the paper structure, wherein the barrier layer comprises a water-based oxygen barrier and a solvent-based sealant layer, wherein the oxygen barrier is positioned adjacent the inner surface of the paper structure,

and wherein the paper packaging structure is sealed about a product to form a package.