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Blending of poly(butylene succinate) (PBS) with poly(lactic acid) (PLA) is an effective way to fine tune PLA brittleness. However, the immiscibility between these two polymers leads to product defects in terms of strength and clarity. The present work proposes a simple triblock copolymer, i.e. poly(l-lactide-b-butylene succinate-b-l-lactide) (PLLA-b-PBS-b-PLLA), as a multi-functional additive, i.e...
Melt blending of poly(butylene succinate) (PBS) with poly(lactic acid) (PLA) to fine tune the mechanical properties of PLA needs to be aware of immiscibility. The present work proposed the random poly(butylene succinate-co-lactic acid) (rPBSL), and for the first time about its multi-functions as compatibilizer, plasticizer, and film clarity enhancer. Based on PLA/PBS (80/20%wt) with rPBSL (3–5 phr),...
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