Cyrille Sollogoub
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View article: Hybrid auxetics: Postponing failure with elastomer infiltration of Ti-6Al-4V lattices
Hybrid auxetics: Postponing failure with elastomer infiltration of Ti-6Al-4V lattices Open
International audience
View article: A Review of Methods and Data on the Recycling of Plastics from the European Waste Stream of Electric and Electronic Equipment
A Review of Methods and Data on the Recycling of Plastics from the European Waste Stream of Electric and Electronic Equipment Open
Plastics make up a significant proportion of the stream of the European Waste of Electric and Electronic Equipment (WEEE), yet the use of recycled plastic materials is very low in new manufactured products. A description of the WEEE waste …
View article: An Energetic Approach for Comparing Monomaterial Compliant Bistable Mechanisms
An Energetic Approach for Comparing Monomaterial Compliant Bistable Mechanisms Open
Shape-morphing systems offer multiple functionalities in a single part by leveraging compliance and bistability principles. Compliant mechanisms, composed of flexible structural elements, derive motion from deflection rather than from trad…
View article: A green synthesis route of <scp>ZnO</scp> /polyhydroxybutyrate composites with antibacterial and biodegradable properties
A green synthesis route of <span>ZnO</span> /polyhydroxybutyrate composites with antibacterial and biodegradable properties Open
The development of environmentally friendly polymer‐based materials with antibacterial and biodegradable properties is bringing significant benefits to the packaging industry. In the present work, green‐synthesized zinc oxide microporous p…
View article: Transient rheology and morphology in sheared nanolayer polymer films
Transient rheology and morphology in sheared nanolayer polymer films Open
The rheology of coextruded layered films of polystyrene/poly(methyl methacrylate) (PS/PMMA) has been studied with small and large amplitude oscillations at a temperature above their glass transition. While the complex viscosity remains con…
View article: Confinement Effect in Multilayer Films Made from Semicrystalline and Bio-Based Polyamide and Polylactic Acid
Confinement Effect in Multilayer Films Made from Semicrystalline and Bio-Based Polyamide and Polylactic Acid Open
Bio-based multilayer films were prepared by using the innovative nanolayer coextrusion process to produce films with a number of alternating layers varying from 3 to 2049. For the first time, a semicrystalline polymer was confined by anoth…
View article: Creation of Grooved Tissue Engineering Scaffolds from Architectured Multilayer Polymer Composites by a Tuneable One‐Step Degradation Process
Creation of Grooved Tissue Engineering Scaffolds from Architectured Multilayer Polymer Composites by a Tuneable One‐Step Degradation Process Open
The surface properties of biomaterials interact directly with biological systems, influencing cellular responses, tissue integration, and biocompatibility. Surface topography plays a critical role in cardiac tissue engineering by affecting…
View article: Instability and rupture of sheared viscous liquid nanofilms
Instability and rupture of sheared viscous liquid nanofilms Open
Liquid nanofilms are ubiquitous in nature and technology, and their equilibrium and out-of-equilibrium dynamics are key to a multitude of phenomena and processes. We numerically study the evolution and rupture of viscous nanometric films, …
View article: Origin of an intermediate peak in <scp>DMTA</scp> analysis of multilayer <scp>ABS</scp>/<scp>PC</scp> samples
Origin of an intermediate peak in <span>DMTA</span> analysis of multilayer <span>ABS</span>/<span>PC</span> samples Open
Three layers film shaped by thermocompression of acrylonitrile butadiene styrene copolymer and polycarbonate have been analyzed in dynamic mechanical thermal analysis in tensile mode. They present two peaks as the film is loaded perpendicu…
View article: Extensional Viscosity of Immiscible Polymer Multi-Nanolayer Films: Signature of the Interphase
Extensional Viscosity of Immiscible Polymer Multi-Nanolayer Films: Signature of the Interphase Open
The measurement of interfacial mechanical or rheological properties in polymer blends is a challenging task, as well as providing a quantitative link between these properties and the interfacial nanostructure. Here, we perform a systematic…
View article: Instability and rupture of sheared viscous liquid nanofilms
Instability and rupture of sheared viscous liquid nanofilms Open
Liquid nanofilms are ubiquitous in nature and technology, and their equilibrium and out-of-equilibrium dynamics are key to a multitude of phenomena and processes. We numerically study the evolution and rupture of viscous nanometric films, …
View article: Fabrication of Architectured Biomaterials by Multilayer Co‐Extrusion and Additive Manufacturing
Fabrication of Architectured Biomaterials by Multilayer Co‐Extrusion and Additive Manufacturing Open
Tissue engineering benefits from advances in 3D printing and multi‐material assembly to attain certain functional benefits over existing man‐made materials. Multilayered tissue engineering constructs might unlock a unique combination of pr…
View article: Improvement of the self‐assembly of low <i>χ</i><scp>ABA</scp> triblock copolymers with the addition of an ionic liquid
Improvement of the self‐assembly of low <i>χ</i><span>ABA</span> triblock copolymers with the addition of an ionic liquid Open
Self‐assembly of high molecular weight commercially available low χ ABA triblock copolymers with ionic liquids (ILs) was observed after solvent casting without the implementation of an additional annealing step. Here, the addition of an IL…
View article: Experimental study of dewetting instability in polymer multilayer shear flow
Experimental study of dewetting instability in polymer multilayer shear flow Open
The interfacial stability of multilayer Couette flow is investigated experimentally. A better understanding of this flow is critical for the processing of multilayer polymeric structures, such as multilayer coextrusion. We first look at th…
View article: Multiscale Analysis of Segmental Relaxation in PC/PETg Multilayers: Evidence of Immiscible Nanodroplets
Multiscale Analysis of Segmental Relaxation in PC/PETg Multilayers: Evidence of Immiscible Nanodroplets Open
International audience
View article: Dewetting Dynamics of Sheared Thin Polymer Films: An Experimental Study
Dewetting Dynamics of Sheared Thin Polymer Films: An Experimental Study Open
An experimental investigation is reported on the effect of shear on the bursting of molten ultrathin polymer films embedded in an immiscible matrix. By use of an optical microscope coupled with a shearing hot stage, the dewetting dynamics,…
View article: Crystallization behavior and morphological features of ethylene-vinyl alcohol 44 copolymer
Crystallization behavior and morphological features of ethylene-vinyl alcohol 44 copolymer Open
This work is a first attempt to study the crystallization behavior of ethylene-vinyl alcohol copolymer with 44 mol% of ethylene units (EVOH44) and to observe the supermolecular structures developed during its crystallization. Thermal analy…
View article: Dual Transient Networks of Polymer and Micellar Chains: Structure and Viscoelastic Synergy
Dual Transient Networks of Polymer and Micellar Chains: Structure and Viscoelastic Synergy Open
Dual transient networks were prepared by mixing highly charged long wormlike micelles of surfactants with polysaccharide chains of hydroxypropyl guar above the entanglement concentration for each of the components. The wormlike micelles we…
View article: Effect of biaxial stretching of nanolayered poly(ethylene furanoate) (PEF) films on gas barrier properties
Effect of biaxial stretching of nanolayered poly(ethylene furanoate) (PEF) films on gas barrier properties Open
Alain Guinault, from PIMM/CNAM, participated online in the international conference of the polymer processing society to represent the last results obtained in the framework of the MyPack project.
View article: Relationship Between Crystallization, Mechanical and Gas Barrier Properties of Poly(ethylene furanoate) (PEF) in Multinanolayered PLA-PEF and PET-PEF Films
Relationship Between Crystallization, Mechanical and Gas Barrier Properties of Poly(ethylene furanoate) (PEF) in Multinanolayered PLA-PEF and PET-PEF Films Open
Food packaging films must be reinvented in order to answer the new demanding ecological requirements. Biobased and/or biodegradable polymers appear as an interesting alternative to reduce petroleum dependence and carbon dioxide emissions. …
View article: Structural and Barrier Properties of Compatibilized PE/PA6 Multinanolayer Films
Structural and Barrier Properties of Compatibilized PE/PA6 Multinanolayer Films Open
The barrier performance and structural lightening of organic materials are increasingly desired and constitute a major challenge for manufacturers, particularly for transport and packaging. A promising technique which tends to emerge in re…
View article: Gamma rays as an innovative tool for synthesizing conducting copolymers with improved properties
Gamma rays as an innovative tool for synthesizing conducting copolymers with improved properties Open
Radiation chemistry was used as an alternative methodology for synthesizing conducting copolymers in water and dichloromethane.