US 6,982,119 B2
Coating composition containing an epoxide additive and structures coated therewith
Yu Shi, Alpharetta, Ga. (US); and Lawrence S. Mucha, Roswell, Ga. (US)
Assigned to The Coca-Cola Company, Atlanta, Ga. (US)
Filed on Apr. 07, 2003, as Appl. No. 10/408,379.
Claims priority of provisional application 60/372484, filed on Apr. 15, 2002.
Prior Publication US 2003/0219556 A1, Nov. 27, 2003
Int. Cl. B32B 27/38 (2006.01)
U.S. Cl. 428—413 34 Claims
 
1. A coated structure comprising:
a thermoplastic polymeric base layer;
an inorganic gas barrier layer on the polymeric base layer; and
a top coat barrier layer coated on the inorganic gas layer, the top coat barrier layer comprising an organic compound capable of reducing the permeability of the structure to gas or vapor, and an epoxide additive which enhances the water resistance, adhesion, gas barrier, or a combination thereof, of the top coat barrier layer,
wherein the organic compound is selected from the group consisting of polyhydroxyaminoethers, polyetheramines, polyetheramine salts, polyacrylics, and carboxy methylcellulose.