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February 5, 2026Clean TechnologiesOpen Access

Valorization of Waste Hemp Hurd as Reinforcement in Extruded Thermoset Composites

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Authors

SYSodiq B. YusufUniversity of IdahoMMMichael R. MaughanUniversity of IdahoAMArmando G. McDonaldUniversity of Idaho

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Implication

Proof of concept study demonstrates enhanced mechanical properties in biocomposites using hemp hurd.

Key Points

  • This research aims to evaluate the use of hemp hurd as a reinforcement in biocomposite materials.
  • Characterization of hemp hurd by particle size, surface area, and chemical composition.
  • Mixing 30-50% hemp hurd with 70-50% phenol-resorcinol-formaldehyde resin.
  • Evaluation of rheological properties of uncured blends.
  • Testing cured biocomposites for water absorption, flexural strength/modulus, and thermal properties.
  • Water absorption increased from 17% at 30% hemp hurd to 44% at 50%.
  • Biocomposites with 40% hemp hurd showed a flexural strength of 41 MPa.
  • Lower flexural strength values were recorded at 30% and 50% hemp hurd.

Cite This Study

Yusuf et al. (2026) studied this question.

synapsesocial.com/papers/698433c8f1d9ada3c1fb1394https://doi.org/10.3390/cleantechnol8010018
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