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Polymer Science, Series A
Published in: Polymer Science, Series A 3/2019

10-04-2019 | POLYMER BLENDS

Effect of PLA-g-GMA on the Thermal, Rheological and Physical Behavior of PLA/PBAT Blends

Authors: Ting Gu, Dayong Zhu, Yue Lu, Shengjun Lu

Published in: Polymer Science, Series A | Issue 3/2019

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Abstract

Polylactic acid (PLA) and poly(butylene adipate-co-terephthalate) (PBAT) were blended in a twin-screw extruder with a compatibilizer of PLA grafted using glycidyl methacrylate (PLA-g-GMA), providing PLA-g-GMA/PLA/PBAT composites. The chemical structures of the composites were determined using Fourier-transform infrared spectroscopy (FTIR). The effects of the PLA-g-GMA amount on the thermal properties, rheological performance, and mechanical behavior of the composites were studied through differential scanning calorimetry (DSC) using an advanced rheometer and material testing machine. The results revealed that the reaction between the PLA/PBAT and epoxy groups within the PLA-g-GMA promotes an entanglement between molecular chains, which increases the glass transition temperature Tg, cold crystallization temperature Tc, and melting temperature Tm of the samples. Moreover, the PLA-g-GMA/PLA/PBAT composites show higher tensile and notch impact strengths than PLA/PBAT.
previous article The Effect of Cationic Polylysine on the Release of an Encapsulated Substance from pH-Sensitive Anionic Liposomes
next article Comparison of the Effects of Some Modification Methods on the Characteristics of Ultrahigh-Molecular-Weight Polyethylene and Composites on Its Basis

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Metadata
Title
Effect of PLA-g-GMA on the Thermal, Rheological and Physical Behavior of PLA/PBAT Blends
Authors
Ting Gu
Dayong Zhu
Yue Lu
Shengjun Lu
Publication date
10-04-2019
Publisher
Pleiades Publishing
Published in
Polymer Science, Series A / Issue 3/2019
Print ISSN: 0965-545X
Electronic ISSN: 1555-6107
DOI
https://doi.org/10.1134/S0965545X19030064

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