The invention includes embodiments that relate to a method of improving the abrasion resistance of a plastic article. The method comprises: (a) providing a composition comprising at least one siloxane compound and at least one thermoplastic polymeric material; (b) forming an article from the composition of step (a); and (c) exposing the article formed in step (b) to an energy source selected from an electron beam source, a gamma radiation source, and a combination thereof. The invention also includes embodiments that relate to an article comprising an abrasion resistant surface.