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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. 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]
  2. 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]
  3. Y. Bernhard, S. Pellegrini, T. Bousquet, A. Favrelle, 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]
  4. 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]
  5. 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]
  6. A. David, J. Meimoun, T. Delaunay, V. Wiatz, R. Saint-Loup, J. Parcq, N. Descamps, A. Favrelle, 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]
  7. 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]
  8. 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]
  9. 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]
  10. 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]
  11. 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]
  12. 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]
  13. 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]
  14. 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]
  15. 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]
  16. 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]
  17. 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]
  18. 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]
  19. 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]
  20. L. Duchatel-Crépy, V. Gaucher, N. Joly, P. Martin, J.M. Lefebvre, Effect of side chain length on structure and thermomechanical properties of fully substituted cellulose fatty esters, Carbohydrate polymers 83, 1812-1820 (2011), [doi: 10.1016/j.carbpol.2010.10.045, 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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