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Unité Matériaux et Transformations
CNRS UMR 8207 - Université de Lille

GAUCHER Valérie
Valérie GAUCHER
professor
Bâtiment C6 bureau 105
Unité Matériaux et Transformations
Cité scientifique, Bât. C6
Université de Lille
59655 Villeneuve d'Ascq
France
Tel: +33 (0) 320 33 64 16
Fax: +33 (0) 320 43 65 91
Email Send an email to  Valérie GAUCHER: Send an email to Valérie GAUCHER
ORCID Identifier 0000-0002-1862-5004: 0000-0002-1862-5004

Research

Structure and plasticity of semi-crystalline polymers - Crystalline phase transformation - Plastic deformation mechanisms in amorphous polymers.

Current PhD thesis

Defended PhD thesis

Latest scientific contributions in LillOA (Lille Open Archive)

Publications

  1. L. Meunier, D. Montarnal, D. Fournier, V. Gaucher, S. Duquesne, F. Samyn, Effect of addition of aluminum phosphinate as fire retardant in a PBT vitrimer, Polymer 290, 126559 (2024), [doi: 10.1016/j.polymer.2023.126559, LillOA]
  2. A. David, G. Stoclet, N. Joly, C. Ribeiro, N. Descamps, D. Lourdin, V. Gaucher, Structure and Mechanical Behavior of Fully Substituted Acid Starch Esters, Macromolecular Chemistry and Physics 224;19, (2023), [doi: 10.1002/macp.202300177, LillOA]
  3. C. Fosse, A. Esposito, P. Lemechko, Y.S. Salim, V. Causin, V. Gaucher, S. Bruzaud, K. Sudesh, L. Delbreilh, E. Dargent, V. Gaucher, Effect of Chemical Composition on Molecular Mobility and Phase Coupling in Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and Poly(3-hydroxybutyrate-co-3-hydroxyhexanoate) with Different Comonomer Contents, Journal of Polymers and the Environment 31;10, 4430-4447 (2023), [doi: 10.1007/s10924-023-02882-2, LillOA]
  4. M.-S. M'bengue, T. Mesnard, F. Chai, M. Maton, V. Gaucher, N. Tabary, M.-J. Garcia Fernandez, J. Sobocinski, B. Martel, N. Blanchemain, Evaluation of a Medical Grade Thermoplastic Polyurethane for the Manufacture of an Implantable Medical Device: The Impact of FDM 3D-Printing and Gamma Sterilization, Pharmaceutics 15;2, 456 (2023), [doi: 10.3390/pharmaceutics15020456, LillOA]
  5. M. Boutghatin, Y. Pennec, B. Djafari Rouhani, A. AKJOUJ, V. Gaucher, H. Gidik, S. Alhajj Assaf, M. Carette, V. Thomy, Asymmetric Design for a High‐Performance Indoor Radiative Heating Fabric, Advanced Materials Technologies 7;10, 2101738 (2022), [doi: 10.1002/admt.202101738, LillOA]
  6. L. Leroy, G. Stoclet, J.-M. Lefebvre, V. Gaucher, Mechanical Behavior of Thermoplastic Starch: Rationale for the Temperature-Relative Humidity Equivalence, Polymers 14;13, 2531 (2022), [doi: 10.3390/polym14132531, LillOA]
  7. G. Stoclet, S. Xu, V. Gaucher, J.-F. Tahon, S. van Berkel, A. Arias, C. Rogeret, R. Nourichard, S. de Vos, R. Nourichard, Influence of the molecular weight on mechanical behavior and associated strain-induced structural evolution of Poly(ethylene 2,5-furandicarboxylate) upon biaxial stretching, Polymer 217, 123441 (2021), [doi: 10.1016/j.polymer.2021.123441, LillOA]
  8. A. Belguise, S. Cantournet, V. Fabre, K. Le gorju, V. Gaucher, J.-F. Tahon, B. Bresson, C. Fretigny, F. Lequeux, H. Montes, Confinement and Distribution of the Composition in Semicrystalline/Amorphous Miscible Blends of PEKK/PEI: A Calorimetry Study, Macromolecules 54;16, 7364-7376 (2021), [doi: 10.1021/acs.macromol.1c00344, LillOA]
  9. J. Meimoun, V. Wiatz, R. Saint-Loup, J. Parcq, a. David, G. Stoclet, V. Gaucher, A. Huret, F. Bonnet, P. Zinck, A one pot one step combined radical and ring-opening route for the dual functionalization of starch in aqueous medium, Carbohydrate Polymers 254, 117399 (2021), [doi: 10.1016/j.carbpol.2020.117399, LillOA]
  10. E. Louisy, G. Fontaine, V. Gaucher, F. Bonnet, G. Stoclet, Comparative studies of thermal and mechanical properties of macrocyclic versus linear polylactide, Polymer Bulletin 78, 3763 (2021), [doi: 10.1007/s00289-020-03290-5, LillOA]
  11. J. Meimoun, Y. Bernhard, L. Pelinski, T. Bousquet, S. Pellegrini, J.-M. Raquez, J. De Winter, P. Gerbaux, F. Cazaux, J.-F. Tahon, V. Gaucher, T. CHENAL, A. Huret, P. Zinck, Lipase-catalysed polycondensation of levulinic acid derived diol-diamide monomers: access to new poly(ester-co-amide)s, Polymer Chemistry 11;47, 7506-7514 (2020), [doi: 10.1039/d0py01301c, LillOA]
  12. L. Duchatel-Crépy, N. Joly, P. Martin, A. Marin, J.-F. Tahon, J.-M. Lefebvre, V. Gaucher, Substitution degree and fatty chain length influence on structure and properties of fatty acid cellulose esters, Carbohydrate Polymers 234, 115912 (2020), [doi: 10.1016/j.carbpol.2020.115912, LillOA]
  13. S. Xu, J.-F. Tahon, I. De Waele, G. Stoclet, V. Gaucher, Brittle-to-ductile transition of PLA induced by macromolecular orientation, Express Polymer Letters 14;11, 1034-1047 (2020), [doi: 10.3144/expresspolymlett.2020.84, LillOA]
  14. T. Messin, S. Marais, N. Follain, A. Guinault, V. Gaucher, N. Delpouve, C. Sollogoub, Biodegradable PLA/PBS multinanolayer membrane with enhanced barrier performances, Journal of Membrane Science 117777 (2020), [doi: 10.1016/j.memsci.2019.117777, LillOA]
  15. Y. Bernhard, S. Pellegrini, T. Bousquet, A. Huret, L. Pelinski, F. Cazaux, V. Gaucher, P. Gerbaux, P. Zinck, Reductive Amination/Cyclization of Methyl Levulinate with Aspartic Acid: Towards Renewable Polyesters with a Pendant Lactam Unit, ChemSusChem 12;14, 3370-3376 (2019), [doi: 10.1002/cssc.201900745, LillOA]
  16. V. Nessi, X. Falourd, J.-E. Maigret, K. Cahier, A. D’Orlando, N. Descamps, V. Gaucher, C. Chevigny, D. Lourdin, Cellulose nanocrystals-starch nanocomposites produced by extrusion: Structure and behavior in physiological conditions, Carbohydrate polymers 115123 (2019), [doi: 10.1016/j.carbpol.2019.115123, LillOA]
  17. J. Pepin, V. Gaucher, C. Rochas, J.-M. Lefebvre, In-situ SAXS/WAXS investigations of the mechanically-induced phase transitions in semi-crystalline polyamides, Polymer 87-98 (2019), [doi: 10.1016/j.polymer.2019.04.073, LillOA]
  18. A. David, J. Meimoun, T. Delaunay, V. Wiatz, R. Saint-Loup, J. Parcq, N. Descamps, A. Huret, F. Bonnet, G. Stoclet, D. Lourdin, P. Zinck, V. Gaucher, Structural characterization and mechanical properties of dextrin-graft-poly(butyl acrylate-co-styrene) copolymers, eXpress Polymer Letters 13, 235-247 (2019), [doi: 10.3144/expresspolymlett.2019.20, LillOA]
  19. C. Flores, M. Lopez, N. Tabary, C. Neut, F. Chai, D. Betbeder, C. Herkt, F. Cazaux, V. Gaucher, B. Martel, N. Blanchemain, Preparation and characterization of novel chitosan and beta-cyclodextrin polymer sponges for wound dressing applications, Carbohydrate polymers 173, 535-546 (2017), [doi: 10.1016/j.carbpol.2017.06.026, LillOA]
  20. N. Sallem-Idrissi, V. Gaucher, A. Marin, R. Seguela, J.-M. Lefebvre, P. KRAWCZAK, M.-F. Lacrampe, The role of strain-induced structural changes on the mechanical behavior of PA6/PE multilayer films under uniaxial drawing, Polymer 53;23, 5336-5346 (2012), [doi: 10.1016/j.polymer.2012.09.027, LillOA]
  21. N. Sallem-Idrissi, V. Gaucher, R. Seguela, J.-M. Lefebvre, P. KRAWCZAK, M.-F. Lacrampe, The role of strain-induced structural changes on the mechanical behavior of PA6/PE multilayer films under uniaxial drawing, Polymer 53;23, 5336-5346 (2012), [doi: 10.1016/j.polymer.2012.09.027, LillOA]

Full list (The link could be slow)

Conference presentations

  1. F. Samyn, S. Sabir, V. Gaucher, S. Duquesne, O. Galvis, Development of solutions to flame retard PLA/flax fibers composites made from comingled textiles, Communication dans un congrès sans actes, Fire and Polymers, New Orleans, LA, France, May 2024 [LillOA]
  2. M. Zemo Foteu, T. Deplancke, V. Gaucher, D. Balloy, C. Gruescu, J. Golek, Association of Rigidity of Metal and UHMWPE impact REsistance by flash Sintering, Poster, DYFP 2024, Kerkrade, Pays-Bas, Mar 2024 [LillOA]
  3. F.Z. Jamal, V. Gaucher, M. Kfoury, D. Landy, S. Fourmentin, N. Benbettaieb, F. Debeaufort, S. Moundanga, L. Beney, T. Dubois, C. Faille, S. Degoutin, Nanofibrous active food packaging based on sodium alginate and cyclodextrins, Poster, 21st International Conference on Cyclodextrins, Dunkerque, France, Jun 2024 [LillOA]
  4. S. Degoutin, C. Birck, V. Gaucher, M. Bacquet, Antimicrobial films based on polyvinyl alcohol and hydroxypropyl-β-cyclodextrin for the prolonged release of sodium benzoate for potential food packaging application, Communication dans un congrès sans actes, 2nd International Conference on Food and Beverage Packaging, Rome, Italie, Jun 2016 [LillOA]
  5. S. Xu, G. Stoclet, J.-F. Tahon, V. Gaucher, Origine de la transition fragile/ductile du Polylactide induite par l’orientation macromoléculaire, Conférence plénière, DEPOS, Mandelieu la Napoule, France, Oct 2021 [LillOA]
  6. S. Xu, G. Stoclet, J.-F. Tahon, V. Gaucher, Influence de l’orientation macromoléculaire sur la transition fragile/ductile du Polylactide, Conférence plénière, GFP 2021, Lyon, France, Nov 2021 [LillOA]
  7. V. Gaucher, G. Stoclet, J.-M. Lefebvre, Polymorphisme et étirabilité de thermoplastiques, Conférence invitée, Journee MECAMAT Groupe de travail Mecanique des Polymères, Paris, France, Oct 2022 [LillOA]
  8. S. Xu, G. Stoclet, I. De Waele, V. Gaucher, Effect of chain orientation on the brittle to ductile transition in Polylactide, Conférence plénière, EPF 2022, Prague, République tchèque, Jun 2022 [LillOA]
  9. V.H. Vo Le, J.-F. Brun, C. Binet, J.-F. Tahon, V. Gaucher, COMPOSITES PLA/NANOTUBES DE CARBONE POUR APPLICATIONS A LA THERMOELECTRICITE, Conférence plénière, GDR REEPOS 2023 & SDM 3, Toulouse, France, Jun 2023 [LillOA]
  10. V.-H. Vo Le, C. Binet, J.-F. Brun, V. Gaucher, Pla/carbon nanotubes composites for thermoelectric application: relation between elaboration, structure and properties, Poster, European Polymer Congress EPF, Prague, Czech Republic, Prague, République tchèque, Jun 2022 [LillOA]

Full list (The link could be slow)

 
 
UMET - Unité Matériaux et Transformations
CNRS UMR 8207
Université de Lille
Bâtiment C6
59655 Villeneuve d'Ascq
France
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