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All Journal INOTEKS : Jurnal Inovasi Ilmu Pengetahuan, Teknologi, dan Seni Rekayasa Mesin Jurnal PADAMU NEGERI (Pengabdian pada Masyarakat Bidang Eksakta)
purwadi joko widodo
ICT Team, Engineering Faculty, Sebelas Maret University
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Journal : Rekayasa Mesin

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FOURIER TRANSFORM INFRARED SPECTROSCOPY INTERPRETATION DAN THERMOGRAVIMETRY/DIFFERENTIAL SCANNING CALORIMETRY ANALYSIS ON THERMOSETTING RESIN PRODUCTS WITH QUENCHING TREATMENT Sukanto, Heru; Widodo, Purwadi Joko; Arifin, Zainal; Triyono, Joko
Jurnal Rekayasa Mesin Vol. 16 No. 2 (2025)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v16i2.1908

Abstract

The quenching phenomenon observed in thermosetting epoxy resins necessitates a comprehensive investigation to mitigate its potential adverse effects on material performance. This study presents a novel approach to analyzing epoxy resins by employing Fourier Transform Infrared (FTIR) spectroscopy, Thermogravimetric Analysis (TGA), and Differential Scanning Calorimetry (DSC). Epoxy resin specimens were fabricated using a 1:1 weight ratio of diglycidyl ether bisphenol A resin and cycloaliphatic amine hardener. 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 FTIR and TGA/DSC analyses were verified by tensile testing, which revealed that FTIR analysis provided insights into the degree of crosslinking and hydroxyl index, while TGA/DSC data elucidated the glass transition temperature and crosslinking enthalpy. The findings demonstrated a direct correlation between the tensile strength and strain of the epoxy resin with changes in crosslinking enthalpy, and an inverse relationship with the hydroxyl index.
Co-Authors Bagus Setiawan Bambang Suhardi Budiana, Eko Prasetya Dwi Aries Himawanto Dwi Budi Santoso Eko Prasetyo Budiana, Eko Prasetyo Heru Sukanto Imaduddin, Fitrian Joko Triyono Lambang G H, Raymundus Lullus Prasojo, Yudin Joko Prija T., D. Danardono D. Singgih Dwi Prasetyo Ubaidillah Ubaidillah Zainal Arifin