Methods of producing biodegradable and recyclable barrier paper laminate

1. A method of producing a biodegradable and recyclable barrier paper laminate comprising:

a) applying a first aqueous system of a water-borne biodegradable polymeric composition onto a biodegradable and recyclable paper layer;

b) removing the water from the first aqueous system of a water-borne biodegradable polymeric composition to produce a first biodegradable polymeric layer;

c) applying a first liquid system of a biodegradable primer composition onto the first biodegradable polymeric layer;

d) applying heat to remove liquid from the first liquid system of a biodegradable primer composition to produce a first biodegradable primer layer;

e) applying a vapor deposited continuous layer of an inorganic barrier onto the first biodegradable primer layer;

f) applying a second liquid system of a biodegradable primer composition onto the vapor deposited inorganic barrier layer;

g) applying heat to remove liquid from the second liquid system of a biodegradable primer composition to produce a second biodegradable primer layer.

2. The method of claim 1 , wherein the biodegradable and recyclable paper layer is machine glazed.

3. The method of claim 1 , wherein the biodegradable and recyclable paper layer comprises at least one of vellum paper or glassine paper.

4. The method of claim 1 , further comprising:

h) applying a second aqueous system of a water-borne biodegradable polymeric composition onto the inner surface of the second biodegradable primer layer; and

i) removing the water from the second aqueous system of the water-borne biodegradable polymeric composition to produce a second biodegradable polymeric layer.

5. The method of claim 1 , further comprising:

h) producing a film made from a biodegradable polymeric composition that is made by at least one of: solution casing, thermal cast film extrusion or thermal blown film extrusion; and

i) applying said film made from a biodegradable polymeric composition onto the second biodegradable primer layer and heat laminating them together to form the second biodegradable polymeric layer.

6. The method of claim 1 , further comprising:

h) applying a biodegradable adhesive to the second biodegradable primer layer;

i) producing a film made from a biodegradable polymeric composition that is made by at least one of: solution casing, thermal cast film extrusion or thermal blown film extrusion; and

j) applying said film made from a biodegradable polymeric composition onto the surface of the biodegradable adhesive to form the second biodegradable polymeric layer.

7. A method of producing a biodegradable and recyclable barrier paper laminate comprising the following steps:

a) applying a first aqueous system of a water-borne biodegradable polymeric composition onto a biodegradable and recyclable paper layer;

b) removing water from the first aqueous system of a water-borne biodegradable polymeric composition to obtain a first biodegradable polymeric layer;

c) applying a first liquid system of a biodegradable primer composition onto the first biodegradable polymeric layer;

d) removing liquid from the first system of a water-borne biodegradable primer composition to obtain a first biodegradable primer layer;

e) applying a vapor deposited continuous layer of an inorganic barrier onto the inner surface of the first biodegradable primer layer.

8. The method of claim 7 , wherein the biodegradable and recyclable paper layer is machine glazed.

9. The method of claim 7 , wherein the biodegradable and recyclable paper layer comprises at least one of vellum paper or glassine paper.

10. The method of claim 7 , wherein removing liquid from the first system of a water-borne biodegradable primer composition to obtain a first biodegradable primer layer is done using heat.

11. The method of claim 7 , further comprising the steps of:

f) applying a biodegradable adhesive to the inner surface of the inorganic barrier layer;

g) separately obtaining a film made from a biodegradable polymeric composition that can be made by a variety of methods including solution casing, thermal cast film extrusion and thermal blown film extrusion; and

h) applying said film made from a biodegradable polymeric composition onto the surface of the biodegradable adhesive to form the second biodegradable polymeric layer.

12. A method of producing a biodegradable and recyclable barrier paper laminate comprising:

a) applying a first aqueous system of a water-borne biodegradable polymeric composition onto a biodegradable and recyclable paper layer;

b) removing the water from the first aqueous system of a water-borne biodegradable polymeric composition to produce a first biodegradable polymeric layer;

c) applying a first liquid system of a biodegradable primer composition onto the first biodegradable polymeric layer;

d) applying heat to remove the liquid from the first system of a biodegradable primer composition to produce a first biodegradable primer layer;

e) applying a vapor deposited continuous inorganic barrier layer onto the first biodegradable primer layer;

f) applying a second liquid system of a biodegradable primer composition onto the vapor deposited inorganic barrier layer;

g) applying heat to remove the liquid from the second system of a biodegradable primer composition to produce a second biodegradable primer layer;

h) applying a corona treatment to the surface of the second biodegradable primer layer;

i) providing a film made from a biodegradable polymeric composition; and

j) applying said film made from a biodegradable polymeric composition onto the second biodegradable primer layer and heat laminating them together to form a second biodegradable polymeric layer.

13. The method of claim 12 , wherein the biodegradable and recyclable paper layer is machine glazed.

14. The method of claim 12 , wherein the biodegradable and recyclable paper layer comprises at least one of vellum paper or glassine paper.

15. The method of claim 12 , wherein the film is produced by at least one of solution casing, thermal cast film extrusion, or thermal blown film extrusion.