It is preferred that the polymeric component comprise polyethylene, e.g. high density polyethylene, medium density polyethylene, low density polyethylene, or linear low density polyethylene; an ethylene copolymer or terpolymer, e.g. ethylene/acrylic acid copolymer (EAA), ethylene/ethyl acrylate (EEA), ethylene/butyl acrylate (EBA), or other copolymer such as those described in pending U.S. Pat. ap