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Title of Journal: Korean J Chem Eng

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Abbravation: Korean Journal of Chemical Engineering

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Springer US

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DOI

10.1002/dc.20995

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1975-7220

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Rheology mechanical properties and crystallizatio

Authors: Yan Zhao Ye Zhang Zonglin Li Hongwei Pan Qinglin Dong Lijing Han Huiliang Zhang Lisong Dong
Publish Date: 2016/01/06
Volume: 33, Issue: 3, Pages: 1104-1114
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Abstract

Polylactic acid PLA/polyethylene octene grafted with glycidyl methacrylate POEgGMA denoted as GPOE blends were prepared via simple melt compounding method at GPOE loadings from 5 to 20wt GPOE can significantly affect the physical properties of PLA Compared to neat PLA the elongation at break and impact strength of the blends were significantly improved Scanning electron micrograph analysis revealed large numbers of cavities in the fracture surface of the blends and the size of the cavities increased along with the increase of GPOE content in the PLA/GPOE blends Furthermore the overall crystallization rates were faster in the PLA/GPOE blends than that in neat PLA However the crystallization mechanism and crystal structure of these blends remained unchanged despite the presence of GPOE The addition of GPOE decreased the degree of crystallinity of PLA The toughened PLA could be of great use and importance for wider practical applications

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