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Yves Leterrier

Cette personne a quitté l’EPFL

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Publications associées (159)

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Influence of substrate additives on the mechanical properties of ultrathin oxide coatings on poly(ethylene terephthalate)

Jan-Anders Edvin Maansson, Yves Leterrier, Gil Rochat

The mechanical properties of ultrathin silicon oxide (SiOx ) coatings plasma-deposited on poly(ethylene terephthalate) (PET) films were investigated with particular attention paid to the effect of additives located in the superficial layers of the polymer ...

Elsevier2005

Fluorine Free Surface Modification of Microfibrillated Cellulose-Clay Composite Films: Effect of Hydrophobicity on Gas Barrier Performance

Yves Leterrier, Mohammed Arif Poothanari

Diffusion barrier composite films based on microfibrillated cellulose (MFC) and clay were developed with attention paid to the influence of thermal annealing and a fluorine-free surface silylation on their microstructure, water contact angle (WCA), mechani ...

MDPI2024

Superhard transparent hybrid nanocomposites for high fidelity UV-nanoimprint lithography

Jan-Anders Edvin Maansson, Yves Leterrier, Marina Aymara González Lazo, Maïté Blank

Transparent hyperbranched acrylate nanocomposites were produced using different combinations of silica nanoparticles and silicon-based sol-gel precursors. The nanocomposites were processed using a dual-cure UV polymerization and condensation scheme. The vi ...

2013

Valorization of Byproducts of Hemp Multipurpose Crop: Short Non-Aligned Bast Fibers as a Source of Nanocellulose

Yves Leterrier, Aigoul Schreier

Nanocellulose was extracted from short bast fibers, from hemp (Cannabis sativa L.) plants harvested at seed maturity, non-retted, and mechanically decorticated in a defibering apparatus, giving non-aligned fibers. A chemical pretreatment with NaOH and HCl ...

MDPI2021

Gas-barrier material

Jan-Anders Edvin Maansson, Yves Leterrier

The invention relates to novel gas-barrier materials for food packaging, based on transparent nanosized hybrid organic/inorganic films on polymer substrates. By contrast with current brittle oxides, these new materials combine extremely high cohesive stren ...

2006

Effect of silane coupling agent on the morphology, structure, and properties of poly(vinylidene fluoride-trifluoroethylene)/BaTiO3 composites

Jan-Anders Edvin Maansson, Véronique Michaud, Yves Leterrier, Dragan Damjanovic, Sara Dalle Vacche, Fabiane Costa Oliveira Moffat

Micron- and submicron-sized barium titanate (BaTiO3) particles, untreated and surface modified with aminopropyl triethoxy silane, were incorporated in poly(vinylidene fluoride-trifluoroethylene) to fabricate composites with up to 60 vol% of ceramic phase. ...

Springer Verlag2014

Self-cleaning and wear-resistant polymer nanocomposite surfaces

Yves Leterrier, Feyza Karasu Kiliç

Superhydrophobic self-cleaning and wear-resistant nanocomposite surfaces were produced by mimicking the hierarchical structure of the lotus leaf using a combination of rapid self-assembly and a UV nano-imprint lithography (UVNIL) process with a silicone ma ...

2018

Hyperbranched polymer for micro devices

Jan-Anders Edvin Maansson, Yves Leterrier, Lars Schmidt

The invention relates to novel polymer-based microstructures, with outstanding shape accuracy and cost-effective processing. The novel polymers are based on hyperbranched macromolecules and enable remarkable property combination such as reduced shrinkage a ...

2007

Photorheology of Fast UV Curing Multifunctional Acrylates

Jan-Anders Edvin Maansson, Yves Leterrier, Jean-Marc Vesin, Lars Schmidt

The fast photopolymerization of different multifunctionalacrylates was analyzed by means of photorheology.The materials studied included a penta/hexaacrylatemonomer and two different acrylated hyperbranchedpolymers. The sensitivity of the commercial rheome ...

2005

A fast low-temperature micromolding process for hydrophilic microfluidic devices using UV-curable acrylated hyperbranched polymers

Jan-Anders Edvin Maansson, Yves Leterrier, Lars Schmidt

A novel UV-curable low-stress hyperbranched polymer (HBP) micromolding process is presented for the fast and low-temperature fabrication of hydrophilic microfluidic devices. Process, material and surface properties of the acrylated polyether HBP are also c ...

2007

Time-intensity transformation and internal stress in UV-curable hyperbranched acrylates

Jan-Anders Edvin Maansson, Yves Leterrier, Lars Schmidt, Daniel Schmäh

The photocuring of three different highly functional acrylates—Di-pentaerythritol penta/hexaacrylate (DPHA) and two hyperbranched molecules (HBP), one with a stiff polyester and one with a more flexible polyether structure—was investigated by means of phot ...

Springer-Verlag2007

Mechanics of Thin Films on Polymer Substrates Produced by Roll-to-Roll Manufacturing

Jan-Anders Edvin Maansson, Yves Leterrier, Luc Rougier

lexible electronic devices are currently being developed using polymer substrates. Such devices present advantages like conformability, are light-weight and are expected to be manufactured in roll-to-roll (R2R) schemes accounting for cost-reduction. These ...

2008

Uniformly Dispersed Poly(lactic acid)-Grafted Lignin Nanoparticles Enhance Antioxidant Activity and UV-Barrier Properties of Poly(lactic acid) Packaging Films

Yves Leterrier, Harm-Anton Klok, Alice Boarino, Aigoul Schreier

Poly(lactic acid) (PLA) represents one of the most widely used biodegradable polymers for food packaging applications. While this material provides many advantages, it is characterized by limited antioxidant and UV-barrier properties. Blending PLA with lig ...

AMER CHEMICAL SOC2022

Electrically conductive self-healing polymer composite coatings

Véronique Michaud, Yves Leterrier

The goal of the research described herein is the fabrication and assessment of electrically conductive partially-cured epoxy coatings which, upon cracking, autonomously restore barrier, mechanical and electrical properties via a microcapsule based healing ...

2015

A novel synthetic strategy for bioinspired functionally graded nanocomposites employing magnetic field gradients

Jan-Anders Edvin Maansson, Yves Leterrier, Ayat Karimi, Tommaso Nardi

In order to mimic the complex architecture of many bio-materials and synthesize composites characterized by continuously graded composition and mechanical properties, an innovative synthetic strategy making use of magnetic field gradients and based on the ...

2014

Wireless, battery-free, and real-time monitoring of water permeation across thinfilm encapsulation

Anja Skrivervik, Yves Leterrier, Stéphanie Lacour, Mingxiang Gao, Massimo Mariello, James Daniel Rosenthal

Long-term bioelectronic implants require stable, hermetic encapsulation. Water and ion ingress are challenging to quantify, especially in miniaturized microsystems and over time. We propose a wireless and battery-free flexible platform leveraging backscatt ...

Springer Science and Business Media LLC2024

Effect of annealing and silylation on the strength of melt-spun Ni-Mn-Ga fibres and their adhesion to epoxy

Edgars Sparnins, Véronique Michaud, Yves Leterrier, Susanne Glock

Single crystals of ferromagnetic Ni-Mn-Ga shape memory alloys show magnetic-field and stress induced twinning, leading to shape memory. Adaptive composites can thus be produced by embedding single crystalline particles or bamboo-structured Ni-Mn-Ga fibres ...

2014

Influence of processing routes on morphology and low strain stiffness of polymer/nanofibrillated cellulose composites

Jan-Anders Edvin Maansson, Yves Leterrier, Pierre-Etienne Bourban, John Christopher Plummer, Sylvain Cyril Claude Galland

The morphology of polymer/nanofibrillated cellulose (NFC) composite sheets produced using different techniques and its influence on low strain stiffness were assessed by optical and transmission electron microscopy. Solvent processing led to relatively hom ...

Maney Publishing2015

Conformal Thin Film Photovoltaic Modules

Jan-Anders Edvin Maansson, Yves Leterrier, Krista Susan Lumsden Friedli

2011

Estimation of interfacial fracture toughness based on progressive edge delamination of a thin transparent coating on a polymer substrate

Yves Leterrier

Evaluation of interfacial toughness of sub-micron-thickness layers deposited on a ductile substrate is a challenging task which has motivated different experimental approaches Fragmentation testing was used in the present study as a means of interface char ...

Elsevier2010