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Influence of PA6 particle filler on morphology, crystallization behavior and dynamic mechanical properties of poly(ε-caprolactone) as an efficient nucleating agent

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Abstract

Poly(ε-caprolactone) (PCL)/polyamide 6 (PA6) composites were fabricated by dispersing PA6 powder into PCL. The SEM results show good dispersion of PA6 in the PCL matrix. Crystallization behavior, crystal structure and spherulitic morphology of pure PCL and the PCL/PA6 composites, as well as their thermal stability and dynamic mechanical properties, were characterized using various techniques including differential scanning calorimeter, X-ray diffraction (XRD), polarized light microscope (PLM), thermal gravimetric analysis (TGA) and dynamic mechanical analyzer (DMA). The PCL/PA6 composite showed increased storage modulus and glass transition temperature (Tg). PA6 powder functions as a heterogeneous nucleate to promote PCL crystallization but does not alter orthorhombic crystal form, crystallization mechanism and thermal stability of PCL.

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Acknowledgements

Funding support from the National Natural Science Foundation of China (21,204,018, U1204518, U1704144) and China Scholarship Council (201,708,410,015) is acknowledged.

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Authors and Affiliations

  1. Institute of Functional Polymer Composites, College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, China

    Mengqing Li, Yudong Zhang, Fang Zhu, Xinrui Zhao, Runming Li, Xiying Li & Haibo Chang

  2. Institute for Frontier Materials, Deakin University, Geelong, VIC, 3216, Australia

    Hongxia Wang & Tong Lin

  3. School of Chemical Engineering and Pharmaceutics, Henan University of Science and Technology, Luoyang 471023, Henan, China

    Jichun Liu

Authors
  1. Mengqing Li
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  2. Yudong Zhang
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  3. Fang Zhu
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  4. Xinrui Zhao
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  5. Runming Li
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  6. Hongxia Wang
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  7. Jichun Liu
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  8. Xiying Li
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  9. Haibo Chang
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  10. Tong Lin
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M.Q. Li and Y.D. Zhang contribute equally as co-first author

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Correspondence to Haibo Chang or Tong Lin.

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Li, M., Zhang, Y., Zhu, F. et al. Influence of PA6 particle filler on morphology, crystallization behavior and dynamic mechanical properties of poly(ε-caprolactone) as an efficient nucleating agent. J Polym Res 28, 461 (2021). https://doi.org/10.1007/s10965-021-02814-5

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  • DOI: https://doi.org/10.1007/s10965-021-02814-5

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