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<p>The present work focused on the development of Acrylonitrile-Butadiene-Styrene (ABS) containing carboxylic-functionalized Multi-Walled Carbon Nanotubes (COOH-MWCNTs) by using the solvent blending method. The primary objective of the pre-treatment of MWCNTs was to improve the dispersibility of MWCNTs within the ABS matrix to enhance their interfacial bonding. Three different compositions of COOH-MWCNTs in ABS were prepared: ABS/COOH-MWCNTs-1, ABS/COOH-MWCNTs-3, and ABS/COOH-MWCNTs-5, containing 1, 3 and 5% of COOH-MWCNT by weight, respectively, corresponding to ABS to evaluate their effect on the thermal and mechanical performance of ABS. Thermogravimetric Analysis (TGA) revealed that increased concentration of COOH-MWCNTs in ABS resulted in enhanced thermal stability of the composite material. For ABS/COOH-MWCNTs-5 at 20 and 50 percent weight loss, the decomposition temperatures were increased by 16 and 12&#xa0;°C, respectively, in comparison to unfilled ABS. While Dynamic Mechanical Analysis (DMA) displayed that for ABS/COOH-MWCNTs-5 composite, the average storage modulus and hardness were enhanced by 78 and 81%, respectively, in equivalence to neat ABS. The outcomes suggest that COOH-MWCNTs reinforced ABS composite can serve as a promising candidate for high-performance applications requiring improved thermal resistance and mechanical robustness.</p>

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Enhanced Thermal and Dynamic Mechanical Performance of COOH-MWCNTs Reinforced ABS for Low Load-Bearing Applications

  • 期刊论文

  • 发表日期：

    2026年5月12日

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  • Sahil Kapoor,
  • Meenakshi Goyal,
  • Prashant Jindal,
  • Dinesh Kumar

摘要

The present work focused on the development of Acrylonitrile-Butadiene-Styrene (ABS) containing carboxylic-functionalized Multi-Walled Carbon Nanotubes (COOH-MWCNTs) by using the solvent blending method. The primary objective of the pre-treatment of MWCNTs was to improve the dispersibility of MWCNTs within the ABS matrix to enhance their interfacial bonding. Three different compositions of COOH-MWCNTs in ABS were prepared: ABS/COOH-MWCNTs-1, ABS/COOH-MWCNTs-3, and ABS/COOH-MWCNTs-5, containing 1, 3 and 5% of COOH-MWCNT by weight, respectively, corresponding to ABS to evaluate their effect on the thermal and mechanical performance of ABS. Thermogravimetric Analysis (TGA) revealed that increased concentration of COOH-MWCNTs in ABS resulted in enhanced thermal stability of the composite material. For ABS/COOH-MWCNTs-5 at 20 and 50 percent weight loss, the decomposition temperatures were increased by 16 and 12 °C, respectively, in comparison to unfilled ABS. While Dynamic Mechanical Analysis (DMA) displayed that for ABS/COOH-MWCNTs-5 composite, the average storage modulus and hardness were enhanced by 78 and 81%, respectively, in equivalence to neat ABS. The outcomes suggest that COOH-MWCNTs reinforced ABS composite can serve as a promising candidate for high-performance applications requiring improved thermal resistance and mechanical robustness.