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Unité Matériaux et Transformations
CNRS UMR 8207 - Université de Lille

GAUCHER Valérie
Valérie GAUCHER
Professeur
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
Courriel: valerie.gaucher@univ-lille.fr

Recherche

Structure et plasticité des polymères semi-cristallins

Enseignement

UFR de Physique

Thèses en cours

Thèses soutenues

Derniers dépôts dans dans LillOA (Lille Open Archive)

Publications

  1. 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]
  2. 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]
  3. 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]
  4. E. Louisy, G. Fontaine, V. Gaucher, F. Bonnet, G. Stoclet, Comparative studies of thermal and mechanical properties of macrocyclic versus linear polylactide, Polymer Bulletin (2020), [doi: 10.1007/s00289-020-03290-5, LillOA]
  5. 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]
  6. 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]
  7. 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]
  8. 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]
  9. 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]
  10. T. Messin, S. Marais, N. Follain, C. Chappey, A. Guinault, G. Miquelard-Garnier, N. Delpouve, V. Gaucher, C. Sollogoub, Impact of water and thermal induced crystallizations in a PC/MXD6 multilayer film on barrier properties, European Polymer Journal 111, 152-160 (2019), [doi: 10.1016/j.eurpolymj.2018.12.021, LillOA]
  11. 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]
  12. T. Messin, N. Follain, A. Guinault, C. Sollogoub, V. Gaucher, N. Delpouve, S. Marais, Structure and Barrier Properties of Multinanolayered Biodegradable PLA/PBSA Films: Confinement Effect via Forced Assembly Coextrusion, ACS Applied Materials & Interfaces 9, 29101-29112 (2017), [doi: 10.1021/acsami.7b08404, LillOA]
  13. T. Messin, N. Follain, A. Guinault, G. Miquelard-Garnier, C. Sollogoub, N. Delpouve, V. Gaucher, S. Marais, Confinement effect in PC/MXD6 multilayer films: Impact of the microlayered structure on water and gas barrier properties, Journal of Membrane Science 525, 135-145 (2017), [doi: 10.1016/j.memsci.2016.10.039, LillOA]
  14. A. Vanmarcke, L. Leroy, G. Stoclet, L. Duchatel-Crépy, J.M. Lefebvre, N. Joly, V. Gaucher, Influence of fatty chain length and starch composition on structure and properties of fully substituted fatty acid starch esters, Carbohydrate polymers 164, 249-257 (2017), [doi: 10.1016/j.carbpol.2017.02.013, LillOA]
  15. J. Pepin, V. Gaucher, J.M. Lefebvre, A. Stroeks, Biaxial stretching behavior as a probe of H-bond organization in semi-crystalline polyamides, Polymer 101, 217-224 (2016), [doi: 10.1016/j.polymer.2016.08.078, LillOA]
  16. J. Pepin, V. Gaucher, J.M. Lefebvre, New Insights into the Brill Transition in Polyamide 11 and Polyamide 6, Macromolecules (2016), [doi: 10.1021/acs.macromol.5b01701, LillOA]
  17. C. Birck, S. Willai, M. Maton, C. Neut, M. Bria, M. Moreau, F. Fricoteaux, V. Gaucher, m. Bacquet, Antimicrobial citric acid/poly(vinyl alcohol) crosslinked films: Effect of cyclodextrin and sodium benzoate on the antimicrobial activity, LWT - Food Science and Technology 68, 27-35 (2016), [doi: 10.1016/j.lwt.2015.12.009, LillOA]
  18. D. Puglia, E. Fortunati, D.A. D'amico, V. Gaucher, G. Stoclet, L.B. Manfredi, V.P. Cyras, J.M. Kenny, Influence of Processing Conditions on Morphological, Thermal and Degradative Behavior of Nanocomposites Based on Plasticized Poly(3-hydroxybutyrate) and Organo-Modified Clay, Journal of Polymers and the Environment (2015), [doi: 10.1007/s10924-015-0744-5, LillOA]
  19. F. Hamonic, V. Gaucher, A. Saiter, E. Dargent, Rigid amorphous fraction versus oriented amorphous fraction in uniaxially drawn polyesters, European Polymer Journal 58, 233-244 (2014), [doi: 10.1016/j.eurpolymj.2014.06.014, LillOA]
  20. C. Birck, S. Willai, N. Tabary, V. Gaucher, m. Bacquet, New crosslinked cast films based on poly(vinyl alcohol): Preparation and physico-chemical properties, eXpress Polymer Letters 8, 941-952 (2014), [doi: 10.3144/expresspolymlett.2014.95, LillOA]
  21. 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]

Liste complète (Le lien peut être lent)

Communications

  1. S. Xu, G. Stoclet, J.-F. Tahon, I. De Waele, V. Gaucher, Biaxial stretching of PLA: brittle-to- ductile transition induced by molecular orientation, Communication dans un congrès sans actes, Plasticité, Villeneuve d'Ascq, France, Avr 2018 [LillOA]
  2. T. Messin, A. Guinault, C. Sollogoub, V. Gaucher, N. Delpouve, N. Follain, S. Marais, Amélioration des propriétés barrières de polyesters par le procédé de coextrusion multi-nanocouches, Communication dans un congrès sans actes, GFP 2018, Toulouse, France, Nov 2018 [LillOA]
  3. S. Xu, J.-F. Tahon, I. De Waele, G. Stoclet, V. Gaucher, ON THE BRITTLE-TO-DUCTILE TRANSITION OF PLA : INFLUENCE OF MACROMOLECULAR ORIENTATION, Poster, GFP 2019, Mulhouse, France, Nov 2019 [LillOA]
  4. E. Louisy, C. Hu, F. Stoffelbach, G. Fontaine, S. Bourbigot, V. Gaucher, F. Bonnet, One-step synthesis of macrocyclic polylactide via reactive extrusion polymerization, Communication dans un congrès sans actes, EPF 2019, Heraklion, Grèce, Juin 2019 [LillOA]
  5. A. David, J. Meimoun, V. Wiatz, R. Saint-Loup, J. Parcq, N. Descamps, A. Favrelle, F. Bonnet, T. Delaunay, G. Stoclet, D. Lourdin, P. Zinck, V. Gaucher, Caractérisations structurale et thermomécanique de dérivés d'amidon, Poster, DEPOS28, La Bresse, France, Sep 2018 [LillOA]
  6. S. Xu, G. Stoclet, J.F. Tahon, I. De Waele, V. Gaucher, Influence of macromolecular orientation on mechanical behavior of glassy polymers, Communication dans un congrès sans actes, DEPOS28, La Bresse, France, Sep 2018 [LillOA]
  7. E. Louisy, C. Hu, F. Stoffelbach, G. Fontaine, S. Bourbigot, V. Gaucher, G. Stoclet, F. Bonnet, Cyclic vs linear polylactide : straightforward access using a single catalyst and studies of their resulting properties, Communication dans un congrès sans actes, Bordeaux Polymer Conference, BPC 2018, Bordeaux, France, Mai 2018 [LillOA]
  8. L. Crépy, N. Joly, P. Martin, A. Marin, V. Gaucher, New plastic materials starting from renewable resources - synthesis and properties, Communication dans un congrès sans actes, 18th European Biomass Conference and Exhibition, Lyon, France, Mai 2010 [LillOA]
  9. V. Gaucher, J.M. Lefebvre, R. Séguéla, Plasticité et transformation de phases dans les polymères semi-cristallins, Conférence invitée, Groupe de travail Mecamat, mécanique des polymères, Paris, France, Oct 2013 [LillOA]
  10. F. Hamonic, V. Gaucher, A. Saiter, E. Dargent, Caractérisation du polyamorphisme dans des polyesters déformés uniaxialement, Poster, GFP-BPG 2013, Roubaix, France, Nov 2013 [LillOA]

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