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Polymers
Volume 14
Issue 21
10.3390/polym14214569
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Article

Preparation and Properties of Waste Corrugated Paper Fiber/Polylactic Acid Co-Extruded Composite

by
Jian Su
1,
Mannan Yang
1,2,
Xiaomei Zhang
1,
Changqing Fang
1,2,*,
Yamin Zheng
1,
Lu Pei
1 and
Ming Liu
3
1
Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an 710054, China
2
School of Mechanical and Precision Instrument Engineering, Xi’an University of Technology, Xi’an 710048, China
3
Jiangsu Weixing New Materials Co., Ltd., Yangzhou 225600, China
*
Author to whom correspondence should be addressed.
Polymers 2022, 14(21), 4569; https://doi.org/10.3390/polym14214569
Submission received: 10 September 2022 / Revised: 15 October 2022 / Accepted: 27 October 2022 / Published: 28 October 2022
(This article belongs to the Special Issue Advances in Recycling of Polymers)
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Abstract

In order to explore the methods of recycling waste paper, reduce environment pollution, and develop a circular economy, the application of waste corrugated paper to the strengthening of polylactic acid (PLA) was studied. Plant fiber from waste corrugated paper (WCPF) was used to prepare WCPF/PLA composite via co-extrusion. The WCPF was extracted from the waste corrugated paper by beating in a Valli beating machine and grinding in a disc grinder. KH-550 coupling agent was used to modify the surface of WCPF to improve the interface adhesive strength between the WCPF and PLA matrix. The effects of the contents of WCPF and KH-550 coupling agent on the mechanical properties, microstructure, crystallization properties, and thermostability of the WCPF/PLA composite were studied. The results show that the WCPF can be well separated from each other. The WCPF can be uniformly dispersed in the PLA matrix through a co-extrusion process. WCPF can increase the mechanical strength and deformation resistance ability of WCPF/PLA composite, and KH-550 coupling agent can further improve that of the WCPF/PLA composite. This study is of obvious significance to the recycling of waste paper and the development of a circular economy.
Keywords: waste corrugated paper fiber; polylactic acid; co-extrusion; surface modification; reinforce waste corrugated paper fiber; polylactic acid; co-extrusion; surface modification; reinforce

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MDPI and ACS Style

Su, J.; Yang, M.; Zhang, X.; Fang, C.; Zheng, Y.; Pei, L.; Liu, M. Preparation and Properties of Waste Corrugated Paper Fiber/Polylactic Acid Co-Extruded Composite. Polymers 2022, 14, 4569. https://doi.org/10.3390/polym14214569

AMA Style

Su J, Yang M, Zhang X, Fang C, Zheng Y, Pei L, Liu M. Preparation and Properties of Waste Corrugated Paper Fiber/Polylactic Acid Co-Extruded Composite. Polymers. 2022; 14(21):4569. https://doi.org/10.3390/polym14214569

Chicago/Turabian Style

Su, Jian, Mannan Yang, Xiaomei Zhang, Changqing Fang, Yamin Zheng, Lu Pei, and Ming Liu. 2022. "Preparation and Properties of Waste Corrugated Paper Fiber/Polylactic Acid Co-Extruded Composite" Polymers 14, no. 21: 4569. https://doi.org/10.3390/polym14214569

APA Style

Su, J., Yang, M., Zhang, X., Fang, C., Zheng, Y., Pei, L., & Liu, M. (2022). Preparation and Properties of Waste Corrugated Paper Fiber/Polylactic Acid Co-Extruded Composite. Polymers, 14(21), 4569. https://doi.org/10.3390/polym14214569

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