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

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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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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Keywords

  • Polymer blends
  • Nanofibers
  • Mechanical properties
  • Crystallization, rheology