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May 9, 2026Polymer Engineering and Science

Foaming Dynamics and Cell Microstructure of Polystyrene Nanocomposite Foams Containing Different Sizes and Contents of Silica Nanoparticles Nucleating Agent

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Authors

MZMehdi ZareiMMMohammadreza MiralvarMRMostafa Rezaei

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Overview

Randomized trial investigates foaming behavior in polystyrene/nanosilica composites, suggesting impacts on stability.

Key Points

  • This research aims to explore how different sizes and contents of silica nanoparticles affect the foaming dynamics of polystyrene nanocomposites.
  • Samples were prepared via solution blending and analyzed using field-emission scanning electron microscopy (FE-SEM).
  • The solubility behavior of n-pentane was evaluated at various pressures and temperatures.
  • Polymers were saturated under specific conditions to assess effects on nucleation and cell structure.
  • Silica nanoparticles significantly influenced nucleation, bubble growth, and cell size distribution.
  • The 7-9 wt% silica loading range notably affected foaming dynamics, enhancing nucleation.
  • The 2 wt% nanoparticle sample showed a decrease in foam density but an increase in cell density with rising temperatures.

Cite This Study

Zarei et al. (2026) studied this question.

synapsesocial.com/papers/69fecfafb9154b0b82876b14https://doi.org/10.1002/pen.70576
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