Researchers Develop Novel Approach to Analyzing Epoxy Resins Using FTIR, TGA/DSC

Strategic Insights -

Researchers from Universitas Sebelas Maret have made a breakthrough in understanding the quenching phenomenon in thermosetting epoxy resins, a critical issue that affects material performance. In a comprehensive study, they employed Fourier Transform Infrared (FTIR) spectroscopy, Thermogravimetric Analysis (TGA), and Differential Scanning Calorimetry (DSC) to analyze epoxy resin specimens. The study revealed a direct correlation between tensile strength and strain of the epoxy resin with changes in crosslinking enthalpy, and an inverse relationship with the hydroxyl index.

Key Takeaways:

  • The researchers developed a novel approach to analyzing epoxy resins using FTIR, TGA, and DSC, which provided insights into the degree of crosslinking and hydroxyl index.
  • The study revealed a direct correlation between tensile strength and strain of the epoxy resin with changes in crosslinking enthalpy, and an inverse relationship with the hydroxyl index.
  • The quenching process was executed by submerging the specimens in water at ambient temperature following thermal exposure at 75, 100, 125, and 150°C.
  • The study demonstrated the potential of FTIR and TGA/DSC analyses in understanding the quenching phenomenon and mitigating its adverse effects on material performance.
  • The researchers used a 1:1 weight ratio of diglycidyl ether bisphenol A resin and cycloaliphatic amine hardener to fabricate epoxy resin specimens.
  • The study's findings have significant implications for the development of new materials and the improvement of existing ones in the field of mechanical engineering and machinery.

Statistics:

  • The study was published in the Rekayasa Mesin journal, volume 16, issue 2, pages 693-711.
  • The researchers used a 1:1 weight ratio of diglycidyl ether bisphenol A resin and cycloaliphatic amine hardener to fabricate epoxy resin specimens.
  • The quenching process was executed by submerging the specimens in water at ambient temperature following thermal exposure at 75, 100, 125, and 150°C.
  • The study demonstrated a direct correlation between tensile strength and strain of the epoxy resin with changes in crosslinking enthalpy, and an inverse relationship with the hydroxyl index.

Sources:

  • Fourier Transform Infrared Spectroscopy Interpretation Dan Thermogravimetry/differential Scanning Calorimetry Analysis on Thermosetting Resin Products With Quenching Treatment. Rekayasa Mesin, 2025,16(2):693-711.
  • Rekayasa Mesin - http://rekayasamesin.ub.ac.id/index.php/rm/index
  • University of Brawijaya
  • Heru Sukanto, Universitas Sebelas Maret, Jebres Surakarta, Jawa Tengah, INDONESIA
  • Purwadi Joko Widodo, Zainal Arifin, Joko Triyono.