Abstract
ABSTRACTHerein, the poly(lactic acid) (PLA)/poly(methyl methacrylate)-grafted natural rubber (NR-PMMA)/natural rubber (NR) blends with improved compatilibility was prepared by dicumyl peroxide induced dynamic vulcanization. Both the simple blend and the PLA/NR-PMMA/NR ternary thermoplastic vulcanizates (TPVs) exhibited co-continuous morphology. Moreover, the in situ compatibilization between PLA and rubber took place during the dynamic vulcanization. With increasing the DCP content, the toughness first increased and then decreased. With 2.5 phr DCP, the TPV displayed the highest impact strength of 760.7 J/m. Meanwhile, tensile strength of the TPVs was almost unchanged to that of the simple blend with the values of ~ 44 MPa.
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