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Effect of morphology designing on the structure and properties of PLA/PEG/ABS blends

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Abstract

A new economical applied method has been developed to modify the polylactic acid (PLA) and acrylonitrile butadiene styrene (ABS) immiscible blends. The different molecular weights of polyethylene glycol (PEG) were adopted during processing. The morphology of PLA/ABS blends was successfully controlled by 10 wt% content of PEG, and the morphology results show remarkable changes at the PLA/ABS blend interface. A fluctuation of the storage modulus at the frequency lower than 0.1 rad/s of PLA/PEG/ABS blends also reflects the structure change in the system. The mechanical properties as well as the thermal and decomposition properties of the modified blends improve with increasing molecular weight of PEG. All the results of properties indicate that the interaction of polymer blend molecular chain decreases and the processability of the PLA/ABS blends increase both due to the addition of PEG.

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Acknowledgments

The authors acknowledge the National Science Fund (No. 11372286, No. 51603192), Basic and advanced technology research project of Henan Province (No. 152300410033), International technological cooperation project (2015DFA30550) for their financial support of this project. The Project is sponsored by the Scientific Research Foundation for the Returned Overseas Chinese Scholars, State Education Ministry. The Project is supported by the Open Project of State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials (15zxfk06).

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Authors and Affiliations

  1. National Center For International Joint Research of Micro-Nano Molding Technology, School of Mechanics & Engineering Science, Zhengzhou University, Zhengzhou, Henan, 450001, China

    Jianming Zhang, Shiwei Wang, Yuhui Qiao & Qian Li

  2. School of Materials Science and Engineering, Zhengzhou University, Zhengzhou, Henan, 450001, China

    Jianming Zhang & Qian Li

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  1. Jianming Zhang
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  2. Shiwei Wang
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  3. Yuhui Qiao
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Correspondence to Shiwei Wang or Qian Li.

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Zhang, J., Wang, S., Qiao, Y. et al. Effect of morphology designing on the structure and properties of PLA/PEG/ABS blends. Colloid Polym Sci 294, 1779–1787 (2016). https://doi.org/10.1007/s00396-016-3940-5

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  • DOI: https://doi.org/10.1007/s00396-016-3940-5

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