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<p>This cutting-edge research unveils a breakthrough in eco-friendly bioplastics using sodium acetate (NaOAc)-modified Canna edulis ker. starch (CEKS). Bioplastics were synthesized by varying NaOAc concentrations (0–30% w/w), and the optimal sample (BP/md3) exhibited a tensile strength of 15.62 ± 0.62&#xa0;MPa, an elongation at break of 17.78 ± 1.57%, and a Young’s modulus of 99.52 ± 13.04&#xa0;MPa. Enhanced hydrophobicity was confirmed with a water contact angle of 80.81°, along with reduced water binding capacity (122.87%). Thermal analyses showed higher thermal stability, with BP/md3 exhibiting smoother degradation and a higher residual mass (21.16%) at 600&#xa0;°C compared to the control. XRD and FT-IR analyses confirmed increased crystallinity (60.43%) and successful chemical modification. This next-generation bioplastic not only outperforms previous iterations but also aligns with industry standards (SNI 7188.7:2022 and JIS Z 1707:2019). The study’s findings pave the way for a new era of sustainable packaging solutions, offering a promising and viable alternative to conventional plastics while addressing pressing global environmental concerns.</p>

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Performance enhancement of NaOAc/Canna Edulis ker. starch-based bioplastic: mechanical and thermal behavior properties

  • 期刊论文

  • 出版模式：

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  • 发表日期：

    2025年7月13日

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  • Azmi Alvian Gabriel,
  • Sazkia Indramawarni,
  • Abdul Halim

摘要

This cutting-edge research unveils a breakthrough in eco-friendly bioplastics using sodium acetate (NaOAc)-modified Canna edulis ker. starch (CEKS). Bioplastics were synthesized by varying NaOAc concentrations (0–30% w/w), and the optimal sample (BP/md3) exhibited a tensile strength of 15.62 ± 0.62 MPa, an elongation at break of 17.78 ± 1.57%, and a Young’s modulus of 99.52 ± 13.04 MPa. Enhanced hydrophobicity was confirmed with a water contact angle of 80.81°, along with reduced water binding capacity (122.87%). Thermal analyses showed higher thermal stability, with BP/md3 exhibiting smoother degradation and a higher residual mass (21.16%) at 600 °C compared to the control. XRD and FT-IR analyses confirmed increased crystallinity (60.43%) and successful chemical modification. This next-generation bioplastic not only outperforms previous iterations but also aligns with industry standards (SNI 7188.7:2022 and JIS Z 1707:2019). The study’s findings pave the way for a new era of sustainable packaging solutions, offering a promising and viable alternative to conventional plastics while addressing pressing global environmental concerns.