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| Ertürk, Emre |
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Monnier, Xavier
Processes and Engineering in Mechanics and Materials
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2021Physical Aging Behavior of a Glassy Polyethercitations
- 2021Physical Aging Behavior of a Glassy Polyethercitations
- 2020Vitrification decoupling from α-relaxation in a metallic glasscitations
- 2020Distinct dynamics of structural relaxation in the amorphous phase of poly(l-lactic acid) revealed by quiescent crystallizationcitations
- 2019Synthesis of macrocyclic poly(ethylene oxide)s containing a protected thiol group: a strategy for decorating gold surfaces with ring polymerscitations
- 2019Glassy Dynamics of an All-Polymer Nanocomposite Based on Polystyrene Single-Chain Nanoparticlescitations
- 2018Thermodynamic ultrastability of a polymer glass confined at the micrometer length scalecitations
- 2018Reduced physical aging rates of polylactide in polystyrene/polylactide multilayer films from fast scanning calorimetrycitations
- 2018Reduced physical aging rates of polylactide in polystyrene/polylactidemultilayerfilms from fast scanning calorimetrycitations
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article
Physical Aging Behavior of a Glassy Polyether
Abstract
<jats:p>The present work aims to provide insights on recent findings indicating the presence of multiple equilibration mechanisms in physical aging of glasses. To this aim, we have investigated a glass forming polyether, poly(1-4 cyclohexane di-methanol) (PCDM), by following the evolution of the enthalpic state during physical aging by fast scanning calorimetry (FSC). The main results of our study indicate that physical aging persists at temperatures way below the glass transition temperature and, in a narrow temperature range, is characterized by a two steps evolution of the enthalpic state. Altogether, our results indicate that the simple old-standing view of physical aging as triggered by the α relaxation does not hold true when aging is carried out deep in the glassy state.</jats:p>