Morphology and Mechanical Analysis of Polylactic Acid (PLA)/Core Shell Impact Modifier Blends

Publisher： Trans Tech Publications

E-ISSN： 1662-9795|2016|694|54-57

ISSN： 1013-9826

Source： Key Engineering Materials, Vol.2016, Iss.694, 2016-06, pp. : 54-57

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Abstract

Polymer blend system of polylactic acid (PLA) and core shell as the impact modifier was studied. PLA was melt-blended with different amount of core shell impact modifier (0 to 30 wt.%). The PLA/core shell impact modifier was prepared by single screw extruder and injection molding machine into the required specimens. Morphological properties of the blends were investigated. Scanning electron microscopy (SEM) micrographs revealed that the addition of core shell impact modifier showed a coarser dispersed phase of voids. Dynamic mechanical analysis (DMA) tests confirmed that PLA/core shell impact modifier blends were partially miscible.

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