Crystallization behavior analysis and reducing thermal shrinkage of poly(lactic acid) miscibilized with poly(butylene succinate) film for food packaging
Abstract:Poly(lactic acid) (PLA) incorporated with poly(butylene succinate) (PBS) through in situ reactive blending is proposed to retard thermal shrinkage. Succinic anhydride (SA) with varied contents (0.01–0.5 phr) was used as a reactive compatibilizer to enhance miscibility between PLA and PBS phases. The success of PLA chemically bound with PBS chains through simple esterification to form PLA‐SA‐PBS phase is confirmed and quantified using an X‐ray photoelectron spectroscopy technique. The binding energy intensity r… Show more
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