Patent ID: 6337413
Filing Date: 2002-01-08
Classification: C08L

Abstract:
A method for solubilizing polystyrene in a fatty acid ester to form a polystyrene fatty acid ester mixture, whereby said polystyrene fatty acid ester mixture can be used in a variety of applications including mixing said polystyrene fatty acid ester mixture with an amount of polyester to form an improved polyester product, wherein said method comprises:(a) obtaining an amount of said fatty acid ester having a temperature equal to at least 20Â° C.; and, (b) adding an amount of polystyrene to said heated fatty acid ester, with said polystyrene added in an amount equal to between 1% and 80% by weight of said fatty acid ester to cause said polystyrene to solubilize into said fatty acid ester thereby forming said polystyrene fatty acid ester mixture.