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Syntheses and properties of the PET-co-PEA copolyester

  • Lipeng Wang
  • , Yu Wang
  • , Fuchen Zhang
  • , Yongping Bai*
  • , Liping Ding
  • *Corresponding author for this work
  • School of Chemistry and Chemical Engineering, Harbin Institute of Technology
  • Nantong University

Research output: Contribution to journalArticlepeer-review

Abstract

An aliphatic-aromatic random-block copolyester of poly(ethylene terephthalate) (PET), and poly(enthylene adipate) (PEA), PET-co-PEA, was synthesized via melt polycondensation. The chemical structure of the products were characterized by two kinds of spectroscopic techniques (Fourier transform infrared and 1H-NMR). The thermal properties of the copolyester were characterized by thermogravimetry analysis, differential scanning calorimetry, wide-angle X-ray diffraction, and polarized optical microscopy. It was found that the crystallization ability, melting point, glass transition temperature of the random-block coplyester decreased apparently. Meanwhile, the tensile strength and hydrolysis performance were measured as well. The result showed that the random-block copolyesters PET-co-PEA displayed excellent properties in elasticity and strength. In addition, the potential degradability was found in hydrolysis measurement.

Original languageEnglish
Article number44967
JournalJournal of Applied Polymer Science
Volume134
Issue number36
DOIs
StatePublished - 20 Sep 2017
Externally publishedYes

Keywords

  • degradability
  • elasticity and properties
  • random-block copolyester

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