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Experimental and Performance Analyses on Elastomer-Strengthened Polyethylene Terephthalate/Glass Fiber Blends

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Abstract

Ethylene–methacrylate–glycidyl (EMG) copolymer is employed to strengthen polyethylene terephthalate (PET)/glass fiber (GF) blends. This paper starts from investigating the effects of various EMG contents on mechanical properties, thermal properties and fractured surface morphology of PET/GF blends. All of the above-mentioned properties own extreme limits of EMG concentration. The crystallization ability of the blends increases with an increment in EMG content, whereas the crystallinity keeps stable at a relatively high level of 0–20 wt.% EMG loading. The tension, bending and impact properties of PET blends are enhanced with the addition of a self-made three-dimensional hierarchical porous carbon sponge (3DC) based on an optimal additive amount. Results indicate that EMG possesses the capabilities of increasing the toughness of PET/GF blends remarkably and transforming the blends from brittle fracture to tough fracture. According to the results, the blends exhibit the best overall properties as the content of EMG reaches 10–15 wt.%.

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Acknowledgements

This work was also supported by the Special Support Plan for High-Level Talents of Guangdong Province (No. 2017TQ04N840) and Science and Technology Planning Project of Guangdong Province (No. 2017A030313081). In addition, the authors are very grateful to the editors and all the anonymous reviewers for their constructive comments, which contributed greatly to improving our work.

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Authors and Affiliations

  1. Guangzhou Automobile Group Co., Ltd, Guangzhou, 511434, China

    Qili Shen, Xu Li, Xiaoyu Gu, Weijian Zou, Xiangdong Huang & Wenfeng Mao

  2. State Key Laboratory of Automotive Simulation and Control, Jilin University, Changchun, 130021, China

    Ying Zhao

  3. School of Materials Science and Engineering, South China University of Technology, Guangzhou, 510641, China

    Xiangdong Huang & Wenfeng Mao

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  1. Qili Shen
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  2. Xu Li
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  3. Ying Zhao
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  4. Xiaoyu Gu
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  5. Weijian Zou
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  6. Xiangdong Huang
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  7. Wenfeng Mao
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Correspondence to Wenfeng Mao.

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Shen, Q., Li, X., Zhao, Y. et al. Experimental and Performance Analyses on Elastomer-Strengthened Polyethylene Terephthalate/Glass Fiber Blends. Automot. Innov. 2, 71–78 (2019). https://doi.org/10.1007/s42154-019-00047-3

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  • DOI: https://doi.org/10.1007/s42154-019-00047-3

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