The present invention provides a novel family of polyolefin-based polymeric blends which are injection moldable into high performance polymeric articles. These polymeric compositions comprise a blend of a semicrystalline ethylene-methacrylate copolymer with an amorphous copolymer containing a basic nitrogen functionality such as styrene-4vinylpyridine copolymers (PSVP). Preferably, these polymeric materials will contain low levels (? 10.0 mole %) of interacting groups which are capable of forming interpolymeric complexes. Also, it is especially preferred that the carboxylic acid group of the ethylene-methacrylate copolymer be neutralized.
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