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LEQUEUX François

Directeur Scientifique de l’ESPCI, Directeur adjoint de l’UMR 7615
CNRS

Bureau 45 (sous sol escalier C )
Tél. : 33 (0) 1 40 79 45 16
francois.lequeux@espci.fr

Thèmes de recherche :

- séchage et mouillage
- élastomères renforcés
- plasticité des polymères

 

Publications :

[1] F. Lequeux : « Instabilité hélicoïdale d’une ligne + 1 dans un cholestérique » C.R.A.S. 303 II 9 p 765 (1987)

[2] F. Lequeux, M. Kléman : « Helicoïdal instability in cholesteric capillary tubes »Jour. de Phys. 49 p 845 (1988)

[3] F. Lequeux : « S2 analysis of cholesteric elasticity » Jour. de Phys. 49 p 967 (1988)

[4] P. Oswald, J. Bechhoefer, A. Libchaber, F. Lequeux : « Pattern formation behind a moving cholesteric-smectic A interface » Phys. Rev. A 36 12 5832 (1987)

[5] F. Lequeux, P. Oswald, J. Bechhoefer : « Influence of anisotropic elasticity on pattern formation in a cholesteric liquid crystal contained between two plates » Phys. Rev. A 40 7 p 3974 (1989)

[6] F. Lequeux , R. Hocquart : « Rheological rouse model for a polymer in a nematic matrix » Jour. de Phys. 51 p 2595 (1990)

[7] F. Lequeux « Linear response of self assembling systems : mean field solution » Jour. de Phys. II 1 195 (1991)

[8] J.F. Palierne, F. Lequeux : « Sausage instability of a thread in a matrix ; linear theory for viscoelastic fluids and interface » Jour. of Non Newt. Fluid Mech. 40 p 289 (1991)

[9] F. Lequeux, F. Courty : « Viscoelasticity and diffusion of self-assembling systems at equilibrium » Physics Letters A 158 p 197 (1991)

[10] F. Lequeux, D. Grosshans, R. Hocquart : « Shear flow experiments in an assembly of gel beads and modelling a Bingham behaviour » Polymer for Advanced Technology 3 p 33 (1992)
-  [11] F.Lequeux : « Reptation of connected worm-like micelles » Europhysics Letters 19(8) p 675 (1992)

[12] A. Khatory, F. Kern, F. Lequeux, J. Appell, G. Porte, N. Morie, A. Ott and W. Urbach : « Entangled Versus Multiconnected Network of Wormlike Micelles » Langmuir 9 p 933 (1993)

[13] A. Khatory, F. Lequeux F. Kern and S.J. Candau : « Linear and non linear viscoelasticity of semi-dilute solutions of wormlike micelles at high salt content » Langmuir 9 p1456 (1993)

[14] V. Schmitt, F. Lequeux, C.M. Marquès : « Confinement of living polymers » Jour. de Phys. II 3 p891 (1993)

[15] V. Schmitt, F. Lequeux, A. Pousse, D. Roux : « Flow behaviour and shear-induced transition near an isotropic nematic transition in equilibrium polymers » Langmuir 10,3 p955-961 (1994)

[16] F. Kern, F. Lequeux, R. Zana, S.J. Candau : « Dynamical properties of salt free viscoelastic micellar solutions » Langmuir 10 p 1714-1723 (1994)

[17] D. Grosshans, A. Knaebel, F. Lequeux : « Plasticity of an amorphous assembly of elastic gel beads » J. Phys II France 5 (1995) p53

[18] V. Schmitt, F. Lequeux : « S.A.N.S. spectra and elastic plateau modulus in a charged wormlike micelles solution : effect of salt » J. Phys.II France 5 (1995) p 193-197

[19] V. Schmitt, F. Schosseler, F. Lequeux : « Structure of Salt-Free wormlike micelles : signature by SANS at rest and under Shear » EuroPhys. Letters 30,1 p31-36 (1995)

[20] K. Elleuch, F. Lequeux, P. Pfeuty : « Crosslinking effects on equilibrium polymers » J. Phys I France 5 p465-474 (1995)

[21] Y. Hemar, R. Hocquart, F. Lequeux : « Effect of interfacial rheology on foam viscoelasticity : an effective medium approach » Jour de Phys II France 5 p1576-1576 (1995)

[22] V. Schmitt, C. Marques, F. Lequeux : « Shear induced phase separation in complex fluids : the Role of flow/concentration coupling » Phys Rev E 52 p4009-4015 (1995)

[23] A. Knaebel , F. Lequeux : “Determination of the elastic modulus of superabsorbent gel beads » Polymer Gel and Networks, 5 (1997) 107-121

[24] R. Oda, F. Lequeux, E. Mendes : “Evidence for local orientational order in salt-free wormlike micelles : a transient electric birefringence study” J. Phys I France 6 (1996) p1429-1439

[25] S. Menon, F. Lequeux, M. Manohar : “Vesicle to micelle transitions induced by Coulomb correlations in two dimensions » Chem. Phys. Letters 263 p727-732 (1996)

[26] F. Lequeux : « Structure and Rheology of wormlike micelles » Curr. Opin. Colloid and Interf. Scien. 1 p 341-344 (1996) [27] P. Sollich, F. Lequeux, P. Hébraud, M.E. Cates : « Rheology of soft glassy materials » Physical Review Letters 78 p 2020 2023 (1997)

[28] Y. Hemar, N. Herrmann, P. Lemaréchal, R. Hocquart and F. Lequeux « Effective medium model for the ultrasonic attenuation due to the thermo elastic effect in concentrated emulsions » Journal de Physique II 7 p 637 647 (1997)

[29] P. Hébraud, F. Lequeux, J.P. Munch, D. J. Pine : « Yielding and rearrangements in concentrated emulsions » Physical Review Letters 78 p 4657-4660 (1997)

[30] S.J.Candau and F. Lequeux, “Rheology of surfactant self-assembly” Current Opinion in Colloid and Interface Science 1997,2,p420-423

[31] A. Knaebel, F. Lequeux : « Force relaxation of single spherical gel beads under compression" Polymer gels and Network (1997) 5, p577-584

[32] R. Oda, P. Panizza, M. Schmutz, F. Lequeux : « A novel shear-induced phase transition of wormlike micelles : gemini surfactant 12-2-12 » Langmuir 1997, 13 p66407-6412

[33] J. Narayanan, C. Manohar, F. Kern, F. Lequeux, S.J. Candau : « Linear viscoelasticity of wormlike micelles in the vicinity of a vesicle-micelle transition » Langmuir (1997),13 p 5235-5243

[34] V. Schmitt, F. Lequeux : “Self-diffusion of surfactant in wormlike micelles solutions “ Langmuir, (1998), 14, p 283-287

[35] P. Hébraud, F. Lequeux : " A naive mode-coupling model for the pasty rheology of soft glassy materials » Phys. Rev. Lett. (1998) p2934-2937

[36] A. Langenfeld, F. Lequeux, M.J. Stebe, V. Schmitt : "Rheology and Small Angle Neutrons Scattering as Tools for Evaluating Emulsification. Application to reverse Highly concentrated Fluorinated Emulsions" Langmuir (1998), 14 p 6030-6036

[37] F. Lequeux, “Emulsion rheology” ,Current Opinion on colloid and interface Science 1998, 3,p408-411

[38] M.D. Haw , W.C.K. Poon, P.N. Pusey, P. Hebraud, F. Lequeux « Colloidal glasses under strain » Phys Rev E, (1998) 58 p4673-4682

[39] C.Derec, A. Ajdari, F. Lequeux “Mechanics near a jamming transition : a minimalist model” Faraday Discuss, (1999) 112 p 195-207

[40] B. Belzung, F. Lequeux, J. Vermant, J. Mewis “Flow-induced anisotropy in mixtures of associative polymers and latex particles” Jour. Coll. Interf. Sci (2000). 224 p 179-187

[41] P. Hebraud, F. Lequeux, J.F. Palierne “Role of permeation in the linear viscoelastic response of concentrated emulsions” Langmuir (2000), 16 p 8296-8299

[42] Knaebel A. , Bellour M. , Munch J.-P. , Visanoff V. , Lequeux F. , Harden J. L . “Aging behavior of laponite clay particle suspensions” Europhys.Lett (2000) : 52 p. : 73 - 79

[43] C. Derec, A. Ajdari, G Ducouret, F. Lequeux “Rheological characterization of aging in a concentrated colloidal suspension” C.R. Acad.Sci.Paris 1 Série IV (2000) p1115-1119

[44] C. Derec, A. Ajdari, F. Lequeux “Rheology and aging, a simple approach”. Eur. Phys. J. E 4, 355 361 (2001)

[45] D. Long, F. Lequeux . « Heterogeneous dynamics at the glass transition in Van der Waals liquids, in the bulk and in thin films” Eur. Phys. J. E 4, p37 –387 (2001)

[46] F. Lequeux, A. Ajdari,“Averaging rheological quantities in descriptions of soft glassy materials“ Phys. Rev E 63 R030502 (2001)

[47] V. Viasnoff, F. Lequeux, D.J. Pine “Multispeckle diffusing wave spectroscopy : a tool to study slow relaxations and time-dependent dynamics” Rev. Scien. Instr. 73 p2336-2344 (2002)

[48] V. Viasnoff, F. Lequeux “Overaging and rejuvenation in colloïdal glasses” Phys. Rev. Lett. 89, 065701 (2002)

[49] V. Viasnoff, S. Jurine F. Lequeux “How strain rejuvenates out of equilibrium colloidal glasses” Faraday Discussion 123 (2003) p253-266

[50] J. Berriot, H. Montès, F.Lequeux, H. Pernot “Reinforcement of model filled elastomers : experimental and theoretical approaches of swelling properties” Polymer 43 p6133-6138 (2002)

[51] J. Berriot, H. Montes, F. Lequeux, D. Long, and P. Sotta “Evidence for the shift of glass transition near the particles in silica-filled elastomers” Macromolecules 35 p 9756-9762 (2002 )

[52] M. Bellour, A. Knaebel, J. L. Harden, F. Lequeux, and J.-P. Munch “Aging processes and scale dependence in soft glassy colloidal suspensions » Phys. Rev. E 67, 031405 (2003)

[53] G. Picard, A. Ajdari, L. Bocquet, F. Lequeux, “Simple model for heterogeneous flows of yield stress fluids”, Phys. Rev. E, 66 051501 p (2002)

[54] C. Derec, A. Ajdari, G. Ducouret, F. Lequeux : “Aging and rheology of colloidal concentrated suspensions“ Phys. Rev E 67, 061403 (2003)

[55] Berriot J, Montes H, Lequeux F, et al.« Gradient of glass transition temperature in filled elastomers »Europhys.Lett. 64 50 (2003)

[56] Montes H, Lequeux F, Berriot J « Influence of the glass transition temperature gradient on the nonlinear viscoelastic behavior in reinforced elastomers » Macromol.36 8107 (2003)

[57] Lopez-Rios J, Billangeon PM, Lequeux F ”Dynamical heterogeneities in density fluctuations of condensed matter » J. Stat. Mech. P08003 (2004)

[58] G. Picard, A. Ajdari, F. Lequeux, L. Bocquet, « Elastic consequences of a single plastic event : A step towards the microscopic modeling of the flow of yield stress fluids » Eur. Jour. Phys. E 15 371-381 (2004)

[59] Narita T, Beauvais C, Hebraud P, Lequeux F.“Dynamics of concentrated colloidal suspensions during drying - aging, rejuvenation and overaging” Eur. Jour. Phys. E 14 287( 2004)

[60]Cadix A, Chassenieux C, Lafuma F, Lequeux F. « Control of the reversible shear-induced gelation of amphiphilic polymers through their chemical structure » Macromol. 38 527-536 (2005 )

|61] G. Picard, A. Ajdari, F. Lequeux, L. Bocquet, “Slow flows of yield stress fluids : Complex spatiotemporal behavior within a simple elastoplastic model” Phys. Rev E 71, 010501 (2005)

[62] D.Z. Gunes, J.P. Munch, M. Dorget, A. Knaebel, F. Lequeux Flocculation, deflocculation, and ions migration in latex suspensions Jour.Coll. Interf. Sci 286 564–572 (2005)

[63] T. Narita, P. Hébraud, and F. Lequeux Effects of the rate of evaporation and film thickness on nonuniform drying of film-forming concentrated colloidal suspensions Eur. Jour. Phys. E 17, 69 (2005)

[64] S.Arditty, V. Schmitt, F. Lequeux, and F. Leal-Calderon “Interfacial properties in solid-stabilized emulsions” Eur. Phys. J. B 44, 381 (2005)

[65] Eric Bertin, Jean-Philippe Bouchaud, and Francois Lequeux « Subdiffusion and dynamical heterogeneities in a lattice glass model » Phys. Rev Lett. 95(1) 015702 (2005) [66] E. Rio, A. Daerr, F. Lequeux, L. Limat “Moving contact lines of a colloidal suspension in the presence of drying” Langmuir 22(7) p3186 (2006)

[67] H. Montes,V. Viasnoff, S. Jurine , F. Lequeux “Ageing in glassy polymers under various thermal histories » Jour. Of Stat. Mech. Theory and exp. 03003 (2006 )

[68] N. Brielles, F. Chantraine, M. Viana, D. Chulia, P. Branlard, G. Rubinstenn, F. Lequeux, D. Lasseux, M. Birot, D. Roux, and O. Mondain-Monval "Imbibition and Dissolution of a Porous Medium",Ind. Eng. Chem. Res. 2007, 46, 5785-5793

[69] G.Ducouret, C. Chassenieux, S. Martins , F. Lequeux ,L. Bouteiller "Rheological characterisation of bis-urea based viscoelastic solutions in an apolar solvent" Journal of Colloid and Interface Science 310 (2007) 624–629

[70] K. Huraux, T. Narita, C. Fretigny, F. Lequeux Solution Drying and Phase Separation Morphology of Polyacrylamide/Poly(ethylene glycol)/Water System Macromolecules ; 2007 ; 40(23) ; 8336-8341.

[71] H Bodiguel, F Lequeux and H Montes Revealing the respective effect of aging and cyclic deformation through the memory effect in glassy polymers J. Stat. Mech. (2008) P01020

[72] F. Casas, C. Alba-simionesco, H. Montes, F. Lequeux , Length-Scale of Glassy Polymer Plastic Flow : A Neutron Scattering Study Macromolecules, 41 (3), 860 -865, (2008)

[73] G. Berteloot, C.T. Pham, A. Daerr, F. Lequeux, L. Limat , Evaporation-induced flow near a contact line : consequences on coating and contact angle Europhys. Lett., 83 (1),14003 (2008)

[74] C. Monteux, Y. Elmaallem, T. Narita and F. Lequeux , Advancing-drying droplets of polymer solutions : Local increase of the viscosity at the contact line Europhys. Lett., 83 (3) 34005 (2008)

[75] Dissolution of a surfactant-containing active porous material Author(s) : Brielles N, Chantraine F, Viana M, et al. JOURNAL OF COLLOID AND INTERFACE SCIENCE 328 - : 2 344-352 (2008)

[76] Probing thermal waves on the free surface of various media : Surface fluctuation specular reflection spectroscopy A. Tay, C. Thibierge, D. Fournier, C. Fretigny, F. Lequeux, C. Monteux, J. P. Roger, and L. Talini Rev. Sci. Instrum. 79 103107 (2008)

un cours de rhéologie - 1.8 Mo

Elastomeres renforcés - 1 Mo

Une conférence sur les élastomères renforcés