Biodegradable PLA-based composites modified by POSS particles

Yi ChenHunan Provincial Engineering Laboratory of Key Technique of Non-metallic Packaging Waste Resources Utilization, Hunan University of Technology, Zhuzhou, China;Hunan Provincial Key Laboratory of Biomass Fiber Functional Materials, Hunan University of Technology, Zhuzhou, ChinaView further author information

Shuichang LiuHunan Provincial Engineering Laboratory of Key Technique of Non-metallic Packaging Waste Resources Utilization, Hunan University of Technology, Zhuzhou, China;Hunan Provincial Key Laboratory of Biomass Fiber Functional Materials, Hunan University of Technology, Zhuzhou, ChinaView further author information

Yueyun ZhouHunan Provincial Engineering Laboratory of Key Technique of Non-metallic Packaging Waste Resources Utilization, Hunan University of Technology, Zhuzhou, China;Hunan Provincial Key Laboratory of Comprehensive Utilization of Agricultural and Animal Husbandry Waste Resources, College of Urban and Environmental Sciences, Hunan University of Technology, Zhuzhou, ChinaView further author information

Guangsheng ZengHunan Provincial Engineering Laboratory of Key Technique of Non-metallic Packaging Waste Resources Utilization, Hunan University of Technology, Zhuzhou, China;Hunan Provincial Key Laboratory of Biomass Fiber Functional Materials, Hunan University of Technology, Zhuzhou, ChinaView further author information

Wenyong LiuHunan Provincial Key Laboratory of Biomass Fiber Functional Materials, Hunan University of Technology, Zhuzhou, ChinaCorrespondence[email protected]
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ABSTRACT

The poly(lactic acid)(PLA)/aliphatic poly(carbonate)(PPC)/polyethylene glycol-polyhedral oligomeric silsesquioxane (PEG-POSS) composites were prepared by reactive melting extrusion. The effect of various components on the mechanical, thermal, rheological, and hydrophilic properties of composites was systematically studied by means of various characterization methods. The results showed that, with the increase of PPC content, the toughness of composites improves significantly, while the strength decreases. Reactive extrusion and adding PEG-POSS could enhance the compatibility and adjust the crystallization of composites effectively. When the proportion of PPC and PEG-POSS in composites is 20-40wt% and 4wt%, respectively, the composites own the best comprehensive performance.

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Funding

We acknowledge financial support from the Key Research and Development Plan of Hunan Province (2016SK2077), the Hunan Province Funds for Distinguished Young Scientists (2019JJ20007) and the Key Project of Education Department of Hunan Province (18A262).

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Biodegradable PLA-based composites modified by POSS particles

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Biodegradable PLA-based composites modified by POSS particles

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