Thermoplastic starch blown films with improved mechanical and barrier properties

Document Outline

• Thermoplastic starch blown films with improved mechanical and barrier properties
  • 1 Introduction
  • 2 Materials and methods
    • 2.1 Materials
    • 2.2 Preparation of TPS films by blown film extrusion
    • 2.3 Characterization and property testing of TPS
      • 2.3.1 Melt flow index measurement
      • 2.3.2 Moisture content determination
      • 2.3.3 Water contact angle measurement
      • 2.3.4 Fourier transform infrared spectroscopy
      • 2.3.5 X-ray diffraction analysis
      • 2.3.6 Tensile test
      • 2.3.7 Impact test
      • 2.3.8 Dynamic mechanical thermal analysis
      • 2.3.9 Scanning electron microscopy
      • 2.3.10 Determination of water vapor transmission rate
      • 2.3.11 Determination of oxygen transmission rate
  • 3 Results and discussion
    • 3.1 Extrusion processability and physical characteristics
    • 3.2 Melt flow ability
    • 3.3 Chemical composition and molecular interaction
    • 3.4 Moisture content
    • 3.5 Crystal structure
    • 3.6 Glass transition temperature
    • 3.7 Mechanical properties
    • 3.8 Morphological characteristics
    • 3.9 Water vapor and oxygen barrier properties
    • 3.10 Water contact angle
  • 4 Conclusions
  • CRediT authorship contribution statement
  • Acknowledgments
  • References