Employing a novel bioelastomer to toughen polylactide

摘要: Abstract Biodegradable, biocompatible polylactide (PLA) synthesized from renewable resources has attracted extensive interests over the past decades and holds great potential to replace many petroleum-derived plastics. With no loss of biodegradability biocompatibility, we highly toughened PLA using a novel bioelastomer (BE)–synthesized biomass diols diacids. Although BE are immiscible, particles ∼1 μm in diameter uniformly dispersed matrix, this indicates some compatibility between BE. significantly increased cold crystallization ability PLA, which was valuable for practical processing performance. SEM micrographs fracture surface showed brittle-to-ductile transition owing addition At 11.5 vol%, notched Izod impact strength improved 2.4 10.3 kJ/m2, 330% increment; increase is superior previous toughening effect by petroleum-based tougheners.