Soy based spray coating

[0015]This invention details the use of a crosslinking agent, such as BERSET® 2700 cyclic amide condensate, to chemically crosslink soy protein coatings. The technique involves dissolving the crosslinking agent in water at a concentration of approximately 3% by volume of the crosslinking agent at a temperature between 60 and 90° F. This solution is mixed for approximately 2 minutes to assure dissolution. Soy protein is then slowly added to the solution at a concentration of approximately 10% by weight. This mixture is continuously stirred until the mixture is a stable solution and the soy protein is fully dissolved, which typically requires 5 minutes. The solution is heated to approximately 100-150° F. and maintained at this temperature for approximately 5 minutes. The solution is then allowed to cool to a temperature between 60 and 90° F. and then transferred to a spraying apparatus, such as a pressure driven aerosol gun, and sprayed. The coating is then allowed to cure for 24 hour...