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PET/Bio-Based Terpolyester Blends with High Dimensional Thermal Stability.

Sangyoon Park1,2, Sarinthip Thanakkasaranee1, Hojun Shin1

  • 1Department of Packaging, Yonsei University, 1 Yonseidae-gil, Wonju-si, Gangwon-do 26493, Korea.

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PubMed
Summary
This summary is machine-generated.

Adding ECOZEN®T110 (EZT) to polyethylene terephthalate (PET) enhances dimensional thermal stability. This blend improves heat distortion temperature, making it suitable for high-temperature applications.

Keywords:
PEICTPETbio-based terpolyesterhigh dimensional thermal stabilitysemi-crystalline/amorphous blend

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Area of Science:

  • Polymer Science
  • Materials Science

Background:

  • Polyethylene terephthalate (PET) has limitations in dimensional thermal stability.
  • Enhancing PET's properties is crucial for advanced material applications.

Purpose of the Study:

  • To improve the dimensional thermal stability of PET.
  • To investigate the miscibility, morphology, and thermal properties of PET/EZT blends.

Main Methods:

  • Melt blending of PET with ECOZEN®T110 (EZT).
  • Analysis of miscibility, morphology, and thermal properties (glass transition temperature, crystallinity, heat distortion temperature, tensile strength, Young's modulus).

Main Results:

  • Introduction of EZT increased glass transition temperature and heat distortion temperature.
  • Miscibility was observed up to 20% EZT, with partial miscibility at higher concentrations.
  • Crystallinity, tensile strength, and Young's modulus decreased slightly with increasing EZT content.

Conclusions:

  • PET/EZT blends exhibit significantly enhanced dimensional thermal stability.
  • The improved properties make these blends suitable for high-temperature polymeric material applications.
  • The balance of miscibility and mechanical properties can be tuned by adjusting EZT content.