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Determination of thermal transitions in polyesters by temperature-dependent FTIR spectroscopy

delete2026-06-19
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OA
AI
N
Nathan Jourdainne
R
Rebeca Heller Dos Santos
S
Sébastien Gaucel
N
Nicolas Sbirrazzuoli
S
Stéphane Peyron
C
Chahinez Aouf
N
Nathanaël Guigo *
DOI：10.1016/j.polymertesting.2026.109267delete
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Abstract

Abstract

En 中文
• FTIR-T identifies melting transitions in semicrystalline biodegradable polyesters. • Wavenumber shifts suggest molecular disorder during lamellar melting. • Intensity variations mainly reflect thermo-mechanical softening at ATR interface. • Coupled FTIR-T, DSC and DMA distinguish structural and rheological effects. • FTIR-T can provide complementary informations of polymer thermal transitions.
Keywords:
Temperature-dependent fourier transform infrared spectroscopy (FTIR-T)
Differential Scanning calorimetry (DSC)
Thermal transitions
Semicrystalline biodegradable polyesters
Molecular rearrangements
Carbonyl vibration
Melting behavior

Journal

Polymer Testing cover
Polymer Testing
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cemef
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