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<p>The study focuses on the influence of Polypropylene nanocomposites for its thermal and tribological properties which were prepared by using microencapsulated additives along with Functionalized Multiwalled Carbon Nanotubes (nano filler) and maleic anhydride (compatibilizer). The study more focuses on the synergistic effects between thermal and tribological properties by keeping a balance between cost, performance and eco-friendly products.&#xa0;The prepared nanocomposites were analyzed using Fourier Transform Infrared Spectroscopy and X-Ray Diffractometry for identifying the spectra of microencapsulated additives and the nanocomposites. The nanocomposites were characterized for thermal stability, degradation behavior, flame properties and tribological properties such as Differential Scanning Calorimetry, Thermogravimetric Analysis, UL 94 flammability, Slide Wear and Coefficient of Friction, respectively. The average percentage of char yield in the nanocomposites increased from 2.1 to 5.5 with respect to varied additive content from 10% to 30% with respect to microencapsulation as compared to their counterparts. As the load varied from 20 N to 60 N, the nanocomposites loaded with microencapsulated additives showed a reduction in wear by more than 47% as compared to that of nanocomposites without microencapsulation. The wear damage morphology of the nanocomposites were assessed using Scanning Electron Microscopy. The developed nanocomposites can be up scaled for use in automotive and infrastructure sectors especially in brake discs, wheel housing, insulating power cables etc… due to its better performance in thermal and tribological properties.</p> Graphical abstract <p></p>

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Effect of polypropylene based microencapsulated nanocomposites on the thermal and wear properties

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年6月23日

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  • Theertha Prasad Pramod,
  • Adam Khan Mahaboob Basha,
  • R. R. N. Sailaja,
  • Parthasarathy Sampathkumaran

摘要

The study focuses on the influence of Polypropylene nanocomposites for its thermal and tribological properties which were prepared by using microencapsulated additives along with Functionalized Multiwalled Carbon Nanotubes (nano filler) and maleic anhydride (compatibilizer). The study more focuses on the synergistic effects between thermal and tribological properties by keeping a balance between cost, performance and eco-friendly products. The prepared nanocomposites were analyzed using Fourier Transform Infrared Spectroscopy and X-Ray Diffractometry for identifying the spectra of microencapsulated additives and the nanocomposites. The nanocomposites were characterized for thermal stability, degradation behavior, flame properties and tribological properties such as Differential Scanning Calorimetry, Thermogravimetric Analysis, UL 94 flammability, Slide Wear and Coefficient of Friction, respectively. The average percentage of char yield in the nanocomposites increased from 2.1 to 5.5 with respect to varied additive content from 10% to 30% with respect to microencapsulation as compared to their counterparts. As the load varied from 20 N to 60 N, the nanocomposites loaded with microencapsulated additives showed a reduction in wear by more than 47% as compared to that of nanocomposites without microencapsulation. The wear damage morphology of the nanocomposites were assessed using Scanning Electron Microscopy. The developed nanocomposites can be up scaled for use in automotive and infrastructure sectors especially in brake discs, wheel housing, insulating power cables etc… due to its better performance in thermal and tribological properties.

Graphical abstract