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<p>Plastic waste management, especially metalized film packaging cannot decompose itself. It will harm the environment and humans from heavy metals. Thus, this research aims to recycle it by applying high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) as a matrix for blending. The ratio of HDPE to LLDPE was 50:50 wt%, additionally with 0–50 phr of metalized (Al) film. It was found that the ground metalized film powder exhibited an irregular shape between 100 and 300 micrometers. The thermal degradation of for Al film was found to be approximately 4.2 wt% of Al content. Moreover, the amount of Al film in the HDPE/LLDPE matrix caused a slightly higher melting temperature because of the third component of polymer. The melt flow index (MFI) at 10–30 phr. of Al film slightly changed but after enhancing 40–50 phr. the MFI significantly increased due to the interference in the molecular chain movement by the Al particle. Furthermore, HDPE/LLDPE could be blended well. The phase separation of polymer was found after additionally of the Al film in the matrix. The result of mechanical properties did not change significantly after increasing the amount of the Al film at 20 phr. compared to HDPE/LLDPE matrix, but the higher amount of Al film more than 20 phr. displayed decreasing mechanical properties. In addition, Al ions released when it was submerged in the seawater environment faster than in the DI water. This result showed that this material might affect toxicity after thrown away or immersed in seawater faster than in water without salt.</p>

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Development of Metal-Polymer hybrids from Post-Consumer packaging films for High-performance recyclables and aquatic environmental assessment

  • 期刊论文

  • 发表日期：

    2026年6月18日

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  • Siriwan Naknoy,
  • Santi Phosri,
  • Yanisa Laoong-u-thai,
  • Tikumporn Kunjiek,
  • Nawadon Petchwattana,
  • Pollawat Charoeythornkhajhornchai

摘要

Plastic waste management, especially metalized film packaging cannot decompose itself. It will harm the environment and humans from heavy metals. Thus, this research aims to recycle it by applying high-density polyethylene (HDPE) and linear low-density polyethylene (LLDPE) as a matrix for blending. The ratio of HDPE to LLDPE was 50:50 wt%, additionally with 0–50 phr of metalized (Al) film. It was found that the ground metalized film powder exhibited an irregular shape between 100 and 300 micrometers. The thermal degradation of for Al film was found to be approximately 4.2 wt% of Al content. Moreover, the amount of Al film in the HDPE/LLDPE matrix caused a slightly higher melting temperature because of the third component of polymer. The melt flow index (MFI) at 10–30 phr. of Al film slightly changed but after enhancing 40–50 phr. the MFI significantly increased due to the interference in the molecular chain movement by the Al particle. Furthermore, HDPE/LLDPE could be blended well. The phase separation of polymer was found after additionally of the Al film in the matrix. The result of mechanical properties did not change significantly after increasing the amount of the Al film at 20 phr. compared to HDPE/LLDPE matrix, but the higher amount of Al film more than 20 phr. displayed decreasing mechanical properties. In addition, Al ions released when it was submerged in the seawater environment faster than in the DI water. This result showed that this material might affect toxicity after thrown away or immersed in seawater faster than in water without salt.