Patent ID: 8426486
Filing Date: 2013-04-23
Classification: A61F,A61L,B29C,B29K,B29L,C08J,Y10T

Abstract:
1. A method of making an oxidation resistant, cross-linked polymeric blend comprising: a) mixing a polymeric material with one or more additives to form a polymeric blend in the absence of a supercritical fluid; b) consolidating the polymeric blend; c) irradiating the polymeric blend by ionizing radiation, thereby forming a cross-linked polymeric blend; d) mechanically deforming the cross-linked polymeric blend below its melting point, thereby forming a mechanically deformed cross-linked polymeric blend; and e) annealing the mechanically deformed cross-linked polymeric blend at a temperature that is above or below the melting point, thereby forming an oxidation resistant cross-linked polymeric blend.