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Polypropylene/Basalt Fabric Laminates: Flexural Properties and Impact Damage Behavior.

Pietro Russo1, Ilaria Papa2, Vito Pagliarulo3

  • 1Institute for Polymers, Composites and Biomaterials, National Research Council, Via Campi Flegrei 34, 80078 Pozzuoli-Naples, Italy.

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PubMed
Summary
This summary is machine-generated.

This study developed eco-sustainable polypropylene/basalt fabric composites. Compatibilization significantly enhanced mechanical performance, showing promise for replacing traditional materials in demanding applications.

Keywords:
basalt fiberscomposite laminateflexuralimpact damagepolypropylene

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Area of Science:

  • Materials Science
  • Polymer Science
  • Composite Materials

Background:

  • Growing environmental concerns drive demand for sustainable materials.
  • Natural fibers offer eco-friendly alternatives to synthetic reinforcements.
  • Thermoplastics offer recyclability advantages over thermosets in demanding fields like aerospace.

Purpose of the Study:

  • To investigate the flexural and impact properties of polypropylene/basalt fabric composites.
  • To evaluate the effect of matrix modification using maleic anhydride grafted polypropylene (PP-g-MA) as a coupling agent.
  • To compare the performance of film-stacked composites with those made from PP pellets.

Main Methods:

  • Polypropylene/basalt fabric composite samples were fabricated using film stacking and compression molding.
  • Mechanical properties, including flexural and low-velocity impact behavior, were assessed.
  • The influence of PP-g-MA as a coupling agent on matrix modification was investigated.

Main Results:

  • Specimens prepared from superimposed films showed a slight reduction in static and dynamic properties compared to those from PP pellets.
  • The incorporation of basalt fabric layers significantly improved mechanical performance.
  • Compatibilized samples (using PP-g-MA) exhibited outstanding improvements in mechanical properties.

Conclusions:

  • Polypropylene/basalt fabric composites demonstrate potential as eco-sustainable materials.
  • Matrix compatibilization with PP-g-MA is crucial for maximizing mechanical enhancements.
  • These composites show promise for applications in naval and aeronautical fields, replacing conventional materials.