[HTML][HTML] Analysis of a film-forming amine response in impedance spectra

D Jero, N Caussé, É Dantras, A Roggero, T Buffeteau… - Electrochimica …, 2024 - Elsevier
In this study, a detailed analysis of the dielectric response of a film-forming amine (1, 3 N-
oleyl propanediamine (OLDA)) in impedance spectra is presented, addressing both “bulk” …

From a Three-Phase Model to a Continuous Description of Molecular Mobility in Semicrystalline Poly(hydroxybutyrate-co-hydroxyvalerate)

A Esposito, N Delpouve, V Causin, A Dhotel… - …, 2016 - ACS Publications
In most cases, a three-phase model consisting of crystalline domains surrounded by rigid
amorphous areas dispersed in the mobile amorphous phase is required and eventually …

Combining Flash DSC, DSC and broadband dielectric spectroscopy to determine fragility

A Dhotel, B Rijal, L Delbreilh, E Dargent… - Journal of Thermal …, 2015 - Springer
New experimental results focused on Flash DSC, DSC and broadband dielectric
spectroscopy investigations are reported in this work. The fictive temperatures and fragility …

Molecular mobility of amorphous N-acetyl-α-methylbenzylamine and Debye relaxation evidenced by dielectric relaxation spectroscopy and molecular dynamics …

B Atawa, NT Correia, N Couvrat, F Affouard… - Physical Chemistry …, 2019 - pubs.rsc.org
The present work focusses on the molecular mobility characterization of amorphous N-acetyl-
α-methylbenzylamine (Nac-MBA) by Broadband Dielectric Relaxation Spectroscopy (DRS) …

Segmental Relaxation Dynamics in Amorphous Polylactide Exposed to UV Light

S Araujo, C Sainlaud, N Delpouve… - Macromolecular …, 2022 - Wiley Online Library
The degradation of polylactide (PLA) under UV exposure is investigated in terms of
cooperativity and kinetic fragility at the glass transition. In the first part, possibly coexisting …

Crystallization kinetics and molecular mobility of an amorphous active pharmaceutical ingredient: A case study with Biclotymol

B Schammé, N Couvrat, P Malpeli, L Delbreilh… - International Journal of …, 2015 - Elsevier
The present case study focuses on the crystallization kinetics and molecular mobility of an
amorphous mouth and throat drug namely Biclotymol, through differential scanning …

Can Polymers be Irreversibly Adsorbed on Carbon Nanomembranes? A Combined XPS, AFM, and Broadband Dielectric Spectroscopy Study

SA Madkour, M Gawek, P Penner… - ACS Applied Polymer …, 2022 - ACS Publications
Carbon nanomembranes are synthetic two-dimensional sheets with nanometer thickness,
macroscopic lateral dimensions, and high structural homogeneity. They have great …

Reducing the gap between the activation energy measured in the liquid and the glassy states by adding a plasticizer to polylactide

S Araujo, N Delpouve, A Dhotel, S Domenek… - ACS …, 2018 - ACS Publications
The kinetic fragility of a glass-forming liquid is an important parameter to describe its
molecular mobility. In most polymers, the kinetic fragility index obtained from the glassy state …

Molecular relaxations in supercooled liquid and glassy states of amorphous quinidine: dielectric spectroscopy and density functional theory approaches

B Schamme, M Mignot, N Couvrat… - The Journal of …, 2016 - ACS Publications
In this article, we conduct a comprehensive molecular relaxation study of amorphous
Quinidine above and below the glass-transition temperature (T g) through broadband …

Temperature dependence of vibrational motions of thin polystyrene films by infrared reflection-absorption spectroscopy: A single measurement tool for monitoring of …

B Hanulikova, T Capkova, J Antos, M Urbanek… - Polymer Testing, 2021 - Elsevier
A method for monitoring of vibrational response and temperature region of glass transition
by a single analysis is introduced with the use of an otherwise well-known spectroscopic …