Invention Grant
US08268905B1 Compositions containing poly(lactic acid), bacteriocin(s), plasticizers(s), and optionally pore forming agent(s), and methods or making 有权
包含聚(乳酸),细菌素,增塑剂和任选的成孔剂的组合物,以及方法或制备

Compositions containing poly(lactic acid), bacteriocin(s), plasticizers(s), and optionally pore forming agent(s), and methods or making
Abstract:
A composition containing poly(lactic acid), at least one bacteriocin (e.g., nisin, generally in the form of Nisaplin®), and at least one plasticizer (e.g., lactic acid, lactide, triacetin, glycerol triacetate), and optionally at least one pore forming agent. A method of making the composition, involving mixing about 100% of the total of the poly(lactic acid), about 50% to about 90% of the total of the at least one plasticizer, and optionally at least one pore forming agent at a first temperature of about 150° to about 170° C. to form a mixture, cooling the mixture to a second temperature of about 115° to about 125° C., adding at least one bacteriocin and about 10% to about 50% of the total of the at least one plasticizer and the remainder of the total of the poly(lactic acid) to the mixture and mixing to form the composition.
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