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Preparation and characterization of lignin nanoparticles and chitin nanofibers reinforced PVA films with UV shielding properties

Industrial Crops and Products, ISSN: 0926-6690, Vol: 188, Page: 115669
2022
  • 55
    Citations
  • 0
    Usage
  • 34
    Captures
  • 1
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    55
    • Citation Indexes
      55
  • Captures
    34
  • Mentions
    1
    • News Mentions
      1
      • 1

Most Recent News

Researchers from QILU University of Technology Report on Findings in Nanoparticles (Preparation and Characterization of Lignin Nanoparticles and Chitin Nanofibers Reinforced Pva Films With Uv Shielding Properties)

2022 DEC 07 (NewsRx) -- By a News Reporter-Staff News Editor at Food Daily News -- Data detailed on Nanotechnology - Nanoparticles have been presented.

Article Description

Environmental pollution of non-degradable packaging and the increasing demand for biodegradable food packaging materials are driving research on the design and development of multifunctional polyvinyl alcohol (PVA)-based films. However, binary PVA blends are not suitable to satisfy the requirements for mechanical properties, thermal stability, hydrophobicity and UV-barrier properties of food packaging materials. Herein, ternary nanocomposite films have been fabricated by incorporating sustainably renewable chitin nanofibers (ChNF) and biomass-based lignin nanoparticles (LNPs) into the biodegradable PVA. Results suggest that addition of 5 wt% ChNF and 1 wt% LNPs improves the films toughness appreciably along with superior thermal stability and surface hydrophobicity. More importantly, these nanocomposite films are transparent but could shield 95% of the UVB (275–325 nm) and UVC (200–275 nm) radiation. The outcome is deemed to aid developing novel PVA-based for biodegradable food packing materials and UV-shielding biomaterials, and it provides a way to solve the pollution of non-degradable plastics.

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