De la surface liquide aux surfaces solides : stratégie de recherche … · 2017. 10. 24. ·...
Transcript of De la surface liquide aux surfaces solides : stratégie de recherche … · 2017. 10. 24. ·...
De la surface liquide aux surfaces
solides : stratégie de recherche sur
la structure et les propriétés des
matériaux polymères alvéolaires
2
CONTROLLING SOLID FOAM PROPERTIES
PROPERTIES OF
SOLID FOAM
MATERIAL
OF WHICH THE
FOAM IS MADE
FOAM DENSITY
& MATERIAL
DISTRIBUTION
CELL
CONNECTIVITY(OPEN- OR
CLOSED-CELL FOAM)
CELL
TOPOLOGY &
GEOMETRY
CONTROLLED IN THE LIQUID STATE (and during solidification)
BRIDGING LIQUID AND SOLID TWO-PHASE MATERIALS
3
LIQUID TWO-PHASE TEMPLATE
SOLIDTWO-PHASE MATERIAL
SOLIDIFICATION
TEMPLATE CONTROL STRUCTURE/PROPERTY RELATIONS
FEEDBACK
gas/liquid; liquid/liquid gas/solid; liquid/solid; solid/solid
SC
ALE
: 0
.1 –
1 m
m
FOCUS: POLYMER-BASED MATERIALS
15 c
m
LINKS BETWEEN STRUCTURE, MATTER AND PROPERTIES
EXAMPLES OF FOAM-RELATED ACTIVITIES
Elastic rebound depends on
material and µstructure
IN-SITU TOMOGRAPHY
EXAMPLES OF FOAM-RELATED ACTIVITIES
5
+ FUTURE TOMOGRAPH AT ICSPLATFORM
FOAM FORMATION
Physical AND chemical foaming(techniques and mechanisms)
Experiments AND simulation
EXAMPLES OF FOAM-RELATED ACTIVITIES
61
mm
FOAM STABILITY – LINKING THREE LENGTH SCALES
EXAMPLES OF FOAM-RELATED ACTIVITIES
7
+ phospholipids
8
EXAMPLES OF FOAM-RELATED ACTIVITIES
CONTROLLED SURFACE MODIFICATION
Example: (photo)catalysis
9
OUR PHILOSPHY
10
INVOLVED PERMANENT RESEARCHERS & ENG.
T. RolandFoam mechanics,
tomography
P. KekicheffTomography,
thin films
W. DrenckhanInterfaces, thin films,
foams & emulsions
C. SerraMicrofluidics, Drop &
Emulsion processing
M. BouqueyFormulation, dispersions
& hybrid foams
L. JerryFoams for catalysis
M.-P. KrafftMicrobubbles,
Lipids at Interfaces
F. SchosselerInterfaces,
Nanoemulsions
+ about 15
non-permanent staff
F. BoulmedaisInterfaces
C. GauthierFoam mechanics,
contact creep
H. PelletierHybrid foams
L. Jacomine
D. Favier R. Bollache
M. Brender
INSTRUMENTATION
CHARACTERISATION
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INDUSTRIAL and ACADEMICS PROJECTS
En discussion: