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1. Melt processing of maleic anhydride grafted poly(lactic acid) and its compatibilizing effect on poly(lactic acid)/poly(butylene adipate- co-terephthalate) blend and their composite.

Author

Teamsinsungvon, A., Jarapanyacheep, R., Ruksakulpiwat, Y., and Jarukumjorn, K.

Subjects
*POLYMER blends, *MELT processing (Superconductors), *MALEIC anhydride, *POLYLACTIC acid, *CALCIUM carbonate, *MECHANICAL behavior of materials
Abstract

Poly(lactic acid) (PLA)/poly(butylene adipate- co-terephthalate) (PBAT) blends were prepared using melt processing. The effects of maleic anhydride grafted PLA (PLA- g-MA) and calcium carbonate (CaCO) content on mechanical, thermal, and morphological properties of the blends were investigated. PLA- g-MA was synthesized by varying monomer and initiator contents using a reactive melt-grafting process. Tensile properties of PLA/PBAT blend were enhanced with adding 2 phr of PLA- g-MA. SEM micrographs exhibited the improvement of interfacial adhesion between PLA and PBAT in the compatibilized blend. Moreover, thermal stability of the blends improved with presence of PLA- g-MA. With increasing CaCO content, Young's modulus of the composites increased. [ABSTRACT FROM AUTHOR]

Published
2017
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