Issue 6, 2015
From the journal:

RSC Advances

Preparation, characterization and properties of PLA/TiO2 nanocomposites based on a novel vane extruder

Haichen Zhang,a   Jintao Huang,a   Li Yang,a   Rongyuan Chen,a   Wei Zou,a   Xiangkun Lina  and  Jinping Qu*a  

* Corresponding authors

a National Engineering Research Center of Novel Equipment for Polymer Processing, The Key Laboratory of Polymer Processing Engineering of the Ministry of Education, South China University of Technology, Guangzhou 510640, Guangdong, People's Republic of China
E-mail: jpqu@scut.edu.cn
Fax: +86 020 87112503
Tel: +86 020 87112803

Abstract

Polylactide/TiO2 nanocomposites with different contents of nanoscale TiO2 were prepared by melt blending with a vane extruder in this work. SEM and TEM microphotographs indicate that the nanoparticles were well dispersed in the polymer matrix under the elongational flow field of the vane extruder. Crystallization and melting behavior were examined with DSC. The results show that TiO2 nanoparticles have an inhibition for the cold crystallization process of PLA to some extent and the cold crystallization temperature of nanocomposites shifted to a maximum value at about 106 °C with low TiO2 loadings (0.5 wt% or 1 wt%). Dynamic rheological measurements and TGA results show that the introduction of TiO2 has significantly improved the thermal stability. The toughness, surface wettability and UV resistance of the composites were also investigated in detail.

Graphical abstract: Preparation, characterization and properties of PLA/TiO2 nanocomposites based on a novel vane extruder

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Article information

DOI
https://doi.org/10.1039/C4RA14538K
Article type
Paper
Submitted
14 Nov 2014
Accepted
03 Dec 2014
First published
03 Dec 2014

RSC Adv., 2015,5, 4639-4647

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Preparation, characterization and properties of PLA/TiO2 nanocomposites based on a novel vane extruder

H. Zhang, J. Huang, L. Yang, R. Chen, W. Zou, X. Lin and J. Qu, RSC Adv., 2015, 5, 4639 DOI: 10.1039/C4RA14538K

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