Molecular Photochemistry and PhotoPolymerization
Study of reaction mechanisms/stability/ageing
J.M. Becht, C. Dietlin, F. Morlet-Savary, M. Schmitt, J. Lalevée*
*Contact : jacques.lalevee@uha.fr
Most transient species involved in chemical reactions (singlet excited states, triplet excited states, radicals) can be studied (UV-visible spectroscopy, fluorescence spectroscopy, single photon counting, laser flash photolysis, etc.). With the addition of electron paramagnetic resonance (EPR) and molecular modelling, it is therefore possible to identify reaction mechanisms and measure reaction rate constants.
Stability and accelerated ageing studies of resins or polymers can also be carried out with the possibility of identifying the radicals involved (EPR), enabling stabilisation strategies to be proposed.
Publications
B Aubry, R Canterel, M Lansalot, E Bourgeat-Lami, A Airoudj, B Graff, C Dietlin, F Morlet-Savary, J Blahut, L Benda, G Pintacuda, E Lacote, J Lalevee, Development of a borane-(meth)acrylate photo-click reaction, Angew.Chem. Int.Ed., 133, 17174-17181 (2021)
B Aubry, D Subervie, M Lansalot, E Bourgeat-Lami, B Graff, F Morlet-Savary, C Dietlin, JP Fouassier, E Lacote, J Lalevee, A Second-Generation Chameleon N- Heterocyclic Carbene-Borane Coinitiator for the Visible-Light Oxygen-Resistant Photopolymerization of Both Organic and Water-Compatible Resins , Macromolecules, 51, 9730-9739 (2018)
S Telitel, AL Vallet, S Schweitzer, B Delpech, N Blanchard, F Morlet-Savary, B Graff, DP Curran, M Robert, E Lacote, J Lalevee, Formation of N-Heterocyclic Carbene–Boryl Radicals through Electrochemical and Photochemical Cleavage of the B–S bond in N-Heterocyclic Carbene–Boryl Sulfides , J. Am. Chem. Soc., 135 (45), 16938–16947 (2013)
