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Surface modification of sepiolite: effects on thermomechanical properties of PP/PA6 blends

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Abstract

In the current work, organosepiolite (O-Sep) was prepared via modification of sepiolite (Sep) with silane coupler γ-methacryloxypropyltrimethoxysilane (CG-570) and polypropylene (PP)/ polyamide 6 (PA6) blends were introduced to investigate the effect on thermomechanical properties of polymer-based nanocomposites. Scanning electron microscopy (SEM), transmission electron microscopy (TEM), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), and rotational rheometer were employed to characterize the morphology and thermomechanical properties of materials. The results show that O-Sep improved the dispersion of PA6 in the PP matrix and enhanced both the mechanical behavior and thermal properties of the PP/PA6/O-Sep nanocomposites.

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Acknowledgments

This work was financially supported by Guizhou Provincial Department of Education Natural Foundation (2015400), talent introduction project of Guiyang University by Guiyang City Financial Support Guiyang University (2019039510822), special funding of Guiyang Science and Technology Bureau and Guiyang University (GYU-KYZ < 2019-2020 > PT23-07), and Guizhou Youth Science and Technology Talents Project (KY2019085).

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Authors and Affiliations

  1. School of Chemistry and Materials Engineering, Guiyang University, Guiyang, 550005, People’s Republic of China

    Kui Wang, Jie Xie, Tiantian Li, Xianshun Wu, Weijiang Huang, Qin Tian, Chunyun Tu & Wei Yan

  2. National Engineering Research Center for Compounding and Modification of Polymer Materials, Guiyang, 550014, People’s Republic of China

    Weijiang Huang, Qin Tian & Wei Yan

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  1. Kui Wang
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Correspondence to Wei Yan.

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Wang, K., Xie, J., Li, T. et al. Surface modification of sepiolite: effects on thermomechanical properties of PP/PA6 blends. J Polym Res 27, 25 (2020). https://doi.org/10.1007/s10965-019-2000-5

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