lymers of ethylene and vinyl acetate (EVA), copolymers of ethylene and ethyl hydrogen maleate (MAME), also referred to as E/MAME, copolymers of ethylene and acrylates, such as methyl acrylate and n-butyl acrylate; and blends of ethylene copolymer with E/MAME, e.g., blends of E/MAME with EVA, and blends of E/MAME and copolymers of ethylene and acrylates.