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This study investigates the development of high-performance polymer nanocomposites for additive manufacturing applications. The primary objective was to produce polymer nanocomposite filaments and evaluate their mechanical properties. Polylactic Acid (PLA) was filled with 1 wt. %, 3 wt. %, and 5 wt.% of cellulose nanocrystals (CNC) to fabricate cellulose nanocrystals reinforced polylactic acid (PLA/CNC) composite filaments. The findings reveal that incorporating 1 wt.% CNC into PLA enhanced the ultimate tensile strength and Young’s modulus by approximately 5.56% and 6.68% respectively as compared to neat PLA. In contrast, composites with 5 wt.% CNC exhibited a reduction in tensile strength of 8.76% and modulus of 6.91%. However, addition of 5 wt.% CNC into PLA matrix able to increases maximum bending stress (25%) and flexural modulus (31.73%) of PLA/CNC composites. These results demonstrate the feasibility of utilizing PLA/CNC nanocomposites in additive manufacturing, offering improved mechanical performance tailored to specific applications.

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Study of Polymer Nanocomposite Filaments for Additive Manufacturing

  • 会议论文

  • 发表日期：

    2026年

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  • Chuang Lek Cham,
  • Thai Kiat Ong,
  • Mum Wai Yip,
  • Joo Eng Lim,
  • Ming Yeng Chan,
  • Seong Chun Koay,
  • Huei Ruey Ong

摘要

This study investigates the development of high-performance polymer nanocomposites for additive manufacturing applications. The primary objective was to produce polymer nanocomposite filaments and evaluate their mechanical properties. Polylactic Acid (PLA) was filled with 1 wt. %, 3 wt. %, and 5 wt.% of cellulose nanocrystals (CNC) to fabricate cellulose nanocrystals reinforced polylactic acid (PLA/CNC) composite filaments. The findings reveal that incorporating 1 wt.% CNC into PLA enhanced the ultimate tensile strength and Young’s modulus by approximately 5.56% and 6.68% respectively as compared to neat PLA. In contrast, composites with 5 wt.% CNC exhibited a reduction in tensile strength of 8.76% and modulus of 6.91%. However, addition of 5 wt.% CNC into PLA matrix able to increases maximum bending stress (25%) and flexural modulus (31.73%) of PLA/CNC composites. These results demonstrate the feasibility of utilizing PLA/CNC nanocomposites in additive manufacturing, offering improved mechanical performance tailored to specific applications.