Responsibilities and expertise

Area(s) of research

Advancements in polymer characterization

~ Molar mass determination: Size Exclusion Chromatography (SEC), Light Scattering, Intrinsic Viscosity (IVA).

~ Chemical composition analysis: Fourier transform infrared spectroscopy (FTIR), crystallisation elution fractionation (CEF), temperature gradient interaction chromatography (TGIC), temperature rise elution fractionation (TREF), CRYSTAF.

~ Thermal behaviour studies: thermogravimetric analysis (TGA), differential scanning calorimetry (DSC), dynamic mechanical analysis (DMA).

Degrees

Ph. D., Polymer Characterization - Universite Claude Bernard, Lyon 1 (2021)

Master's degree of Analytical Sciences - Universite Claude Bernard, Lyon 1 (1997)

Bachelors degree of Physical Chemistry - Universite Claude Bernard, Lyon 1 (1995)

Research interests

Size Exclusion Chromatography:

~ Hight temperature system designed for polyolefins analysis (infrared, refractometer, viscosimeter)

~ THF and toluen phase system tetradetector (refractometer, UV, viscosimeter and light scattering detector)

~ DMSO and DMF phase system (refractometer, UV and light scattering detector)

Thermal Analysis:

~ DSC - Differential Scanning Calorimetry ~ TGA - Thermogravimetric Analysis ~ DMA - Dynamic Mechanical analysis

Vibrational spectroscopy:

~ FTIR - transmission, ATR (Attenuated Total Reflection) ~ NIR - near infrared ~ FIR - far infrared ~ UV-Visible spectrophotometric analysis

Chemical composition distribution (polyolefines):

~ CRYSTAF - Crystallization Analysis Fractionation ~ TREF - Temperature Rising Elution Fractionation ~ CEF - Crystallization Elution Fractionation ~ TGIC - Thermal Gradient Interaction Chromatography

Static and dynamic Light Scattering:

~ Dynamic Light Scattering ~ Zetasizer NanoZS (particle size and zeta potential) ~ Multiangle light scattering (MALS) ~ Laser light diffraction

Gas Chromatography

Viscometer (IVA – intrinsic viscosity analyzer)

Responsabilities

Size Exclusion Chromatography - Crystallisation Analysis Fractionation - Temperature Rising Elution Fractionation - Crystallization Elution Fractionation - Thermal Gradient Interaction Chromatography - Thermal Analysis - Vibrational Spectroscopy - Static and dynamic Light Scattering - Gas Chromatography

Current projects

Thermal Characterization of PVC for Chemical Recycling

Investigation of PVC recycling through thermal analysis using TGA-FTIR, modulated DSC, and Flash DSC to understand its decomposition behavior. Study of solvent effects on gelification, dissolution, and processability to optimize recycling strategies.

Recycling of Polypropylene

Investigation of polyolefin dissolution using online spectroscopy aims to optimize plastic recycling by monitoring polymer concentration in real-time with Raman and ATR-IR spectroscopy.

Elaboration and Characterization of a Dental Composite

Development of an innovative dental composite based on Bis-GMA/TEGDMA and silica nanoparticles, formulated using an original in situ sol-gel process to ensure homogeneous filler dispersion, and enhanced mechanical properties

Polyolefins Characterization

Developpement of new methods for measuring the microstructure of polyolefins : molar mass distribution (MMD) and chemical composition distribution (CCD)

~ Long-chain branching (LCB) determination using viscometric detection

~ Short-chain branching (SCB) quantification using CRYSTAF, TREF, CEF, TGIC, DSC and DSC-SIST

Thermal Analysis Couplings

TGA coupled with FTIR or GC-MS for real-time monitoring of gaseous products during polymer degradation

Chemical Composition of Copolymer using Infrared and Raman Spectroscopy and Chemometrics

FTIR and Raman spectroscopy combined with the partial least square (PLS) method provides a fast characterization of copolymers' intricate composition

Additional information

Health and safety responsability

Member of the national committee of the CNRS in section 13

2021-11-12 | Prix spécial de thèse du GFP Groupe Français d'Etudes et d'Applications des Polymères

Polymer characterization training :

http://cpe-formation.fr/formations/caracterisation-physicochimique-polymeres

http://cpe-formation.fr/formations/couplages-analyse-thermique-application-aux-polymeres

http://cpe-formation.fr/formations/chromatographie-dexclusion-sterique-application-aux-polymeres-organosolubles-et-hydrosolubles